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Cross-Platform App
Development Company 

Build High-Performance iOS and Android Apps from a Single Codebase

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Trusted by 750+ happy clients, including some top fortune 500 companies

What is Cross-Platform App Development? 

Cross-platform app development is the practice of building mobile applications that run on multiple operating systems, iOS and Android, from a single, unified codebase. Using frameworks like Flutter, React Native, and .NET MAUI, developers write code once and deploy it across all target platforms. This approach significantly reduces development time and cost compared to building separate native apps for each platform, while still delivering a near-native user experience. 

Key Advantages 

Key Benefits of Opting for Cross-Platform Development 

Faster Time-to-Market

A single codebase means your engineering team is not split across two parallel work streams. Features ship simultaneously to iOS and Android. For startups competing in crowded markets, this speed advantage is decisive.

Reduced Development Cost

Maintain one team instead of two. Reuse 70–90% of your codebase across platforms. Studies show cross-platform development can reduce mobile app development costs by 30–40% compared to building separate native applications.

Shared Codebase Architecture

One repository. One deployment pipeline. One security audit. Every line of business logic, every API integration, and every data model exists in a single place, making your codebase dramatically easier to govern.

Easier Maintenance & Faster Updates

Bug fixes, security patches, and feature updates are applied once and deployed everywhere. Your team spends less time on maintenance overhead and more time building product value.

Wider Market Reach

iOS and Android together command over 99% of the global smartphone market. Cross-platform mobile application development ensures your app is available to all of them from day one without the cost of sequential platform launches.

Consistent User Experience

Frameworks like Flutter render UI using their own graphics engine, meaning your app looks and behaves identically across every device, every screen size, and every operating system.

Faster Feature Rollouts

New features enter the market on both platforms simultaneously. No waiting for the iOS team to catch up with Android. No version fragmentation. No inconsistent user experiences across platforms.

Better ROI on Engineering Investment

Every dollar spent on development compounds across both platforms. Every component built is reusable. Every performance optimisation benefits all users. Cross-platform development improves the return on your engineering investment.

What Can Sphinx Solutions Build For You? 

What We Build

Our Cross-Platform App Development Services

Sphinx Solutions offers a complete portfolio of cross-platform app development solutions from initial product strategy to long-term post-launch support.

01 Flutter App Development
02 React Native App Development
03 .NET MAUI App Development
04 Cross-Platform UI/UX Design
05 MVP Development
06 App Migration Services
07 Legacy App Modernisation
08 AI-Powered Mobile App Development
09 QA & Testing Services
10 Mobile App Maintenance & Support
Flutter App Development

Flutter App Development

As a leading Flutter app development company, we build high-performance mobile applications from a single codebase using Google's Flutter framework. Our team creates visually rich, scalable apps that deliver a native-like experience across iOS and Android while reducing development time and maintenance costs.

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React Native App Development

React Native App Development

Our React Native app development services help businesses launch cross-platform applications faster using a shared JavaScript codebase. By combining React Native's flexibility with native integrations, we deliver responsive mobile experiences that support rapid product growth and long-term scalability.

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.NET MAUI App Development

.NET MAUI App Development

For organisations operating within the Microsoft ecosystem, we develop enterprise-grade applications using .NET MAUI. Our solutions integrate seamlessly with existing Microsoft technologies, enabling businesses to modernise mobile experiences while leveraging their current infrastructure investments.

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Cross-Platform UI/UX Design

Cross-Platform UI/UX Design

Exceptional mobile experiences begin with thoughtful design. We create adaptive UI/UX systems that ensure consistency across platforms while respecting platform-specific user behaviours, resulting in intuitive applications that improve engagement and user satisfaction.

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MVP Development

MVP Development

Launching quickly can be the difference between leading a market and missing an opportunity. Our MVP development services help businesses validate ideas with a streamlined, market-ready product that accelerates feedback collection, investor interest, and product-market fit.

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App Migration Services

App Migration Services

Maintaining separate iOS and Android codebases can significantly increase costs and complexity. We help businesses migrate existing native applications to modern cross-platform frameworks, creating a unified codebase that simplifies maintenance and future development.

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Legacy App Modernisation

Legacy App Modernisation

Outdated applications can limit growth, reduce user engagement, and create security risks. Our app modernisation services transform legacy mobile products with updated architectures, modern interfaces, and scalable technologies that align with current business needs.

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AI-Powered Mobile App Development

AI-Powered Mobile App Development

We build intelligent mobile applications that leverage AI technologies such as generative AI, machine learning, natural language processing, and predictive analytics. These capabilities enable businesses to deliver personalised, data-driven user experiences that create a competitive advantage.

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QA and Testing Services

QA & Testing Services

Quality is built into every stage of our development process. Our comprehensive QA and testing services ensure cross-platform applications perform reliably across devices, operating systems, and user scenarios while maintaining security, accessibility, and performance standards.

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Mobile App Maintenance and Support

Mobile App Maintenance & Support

Successful mobile products require continuous optimisation after launch. Our maintenance and support services help businesses keep applications secure, compatible, and high-performing through ongoing monitoring, updates, enhancements, and dedicated technical support.

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What We Solve 

Cross-Platform App Development Solutions 

Modern businesses need mobile applications that reach users across multiple platforms without increasing development complexity. Whether you're building a new digital product, modernising an existing application, or integrating advanced technologies like AI, our solutions are designed to accelerate time-to-market while optimising development costs. 

01
Enterprise Mobile Applications

We develop secure, scalable enterprise applications that streamline business operations, improve workforce productivity, and integrate seamlessly with existing business systems. Our solutions enable companies to deliver consistent experiences across devices while maintaining enterprise-grade security and compliance standards.

02
Customer-Facing Mobile Apps

From retail and e-commerce to healthcare and fintech, we build customer-centric mobile applications designed to increase engagement, improve user retention, and strengthen brand loyalty. Our solutions focus on delivering intuitive experiences that perform seamlessly across iOS and Android devices.

03
MVP and Startup Solutions

For startups and innovators, speed is critical. We develop minimum viable products (MVPs) that help validate ideas, attract early adopters, and gather real-world feedback without the expense of building separate native applications. This approach allows businesses to test concepts quickly and scale with confidence.

04
AI-Powered Mobile Solutions

We integrate advanced artificial intelligence capabilities into cross-platform applications, including conversational AI, recommendation engines, predictive analytics, computer vision, and intelligent automation. These solutions help businesses deliver personalised experiences and unlock new growth opportunities.

05
eCommerce and Marketplace Applications

Our cross-platform development solutions enable businesses to launch feature-rich eCommerce platforms and online marketplaces with secure payment integrations, inventory management, real-time notifications, and seamless customer experiences across devices.

06
On-Demand Service Applications

We build on-demand mobile applications for industries such as transportation, food delivery, healthcare, home services, and logistics. These solutions include real-time tracking, scheduling, payment processing, and customer communication features that support modern service delivery models.

07
SaaS and Digital Product Development

We help organisations transform ideas into scalable software products with cross-platform applications that support subscription models, user management, analytics, and cloud-based functionality. These solutions are designed to grow alongside your business and customer base.

08
Legacy Application Modernisation

Businesses with outdated mobile products can leverage our modernisation services to upgrade application architecture, improve performance, enhance security, and migrate to modern cross-platform frameworks without disrupting existing operations.

09
Connected and IoT Applications

Our team develops cross-platform applications that connect with IoT devices, wearables, sensors, and smart systems. These solutions enable real-time monitoring, data visualisation, automation, and remote device management for a wide range of industries.

10
Ongoing Maintenance and Optimisation

Beyond development, we provide continuous support, monitoring, performance optimisation, feature enhancements, and platform updates to ensure your application remains secure, reliable, and competitive as technologies evolve.

Talk To Our Solutions Architect

Cross-Platform App Development Integrations & Capabilities

We help organisations solve complex business challenges through innovative cross-platform development. Our team has extensive experience integrating advanced technologies, third-party services, and enterprise systems to create feature-rich applications that drive growth and operational efficiency.

Payment Gateway Integration

We integrate secure and reliable payment gateways that enable businesses to accept online payments across multiple platforms and regions. Our solutions support seamless transactions, subscription models, digital wallets, and compliance with industry security standards.

BLE (Bluetooth Low Energy) Integration

Our BLE integration solutions connect mobile applications with smart devices, sensors, and IoT ecosystems. This enables real-time data exchange, device monitoring, and enhanced user experiences for healthcare, fitness, manufacturing, and connected products.

MDM (Mobile Device Management) Integration

We develop enterprise-ready applications with Mobile Device Management integration to improve security, device control, and compliance. This helps organisations efficiently manage employee devices while protecting sensitive business information.

Wearable App Integration

Our cross-platform expertise extends beyond smartphones to wearable devices such as smartwatches and fitness trackers. We create connected experiences that allow users to access real-time information, health data, notifications, and business applications on the go.

Chat Server Integration

We build real-time communication capabilities into mobile applications through secure chat server integration. Whether it's customer support, team collaboration, or social networking, our solutions enable instant messaging, file sharing, and live engagement features.

Beacon Integration

Our beacon-enabled applications leverage location-based technology to deliver personalised notifications, proximity marketing, indoor navigation, and enhanced customer engagement. These solutions are particularly effective for retail, hospitality, healthcare, and event management businesses.

mBaaS (Mobile Backend as a Service) Integration

We integrate leading mBaaS platforms to accelerate mobile application development and scalability. By leveraging cloud-based backend services, businesses can reduce infrastructure complexity while improving performance, security, and data management.

GPS & Navigation Integration

Our GPS and navigation solutions enable real-time location tracking, route optimisation, geofencing, and map-based services. These capabilities help businesses improve logistics operations, field service management, ride-sharing experiences, and location-aware customer interactions.

Which Features You Want To Integrate In Your App?

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What We Use

Cross-Platform Frameworks We Use

Choosing the right framework is one of the most consequential decisions in your mobile product journey. Our framework recommendation is always based on your product requirements, team skills, timeline, and long-term maintainability, not the framework of the moment. Here is how the leading frameworks compare:

Framework Best For Key Advantages Language Performance Level
Flutter Startups, Enterprises, Rich UI Products Native-like performance, custom rendering engine, consistent UI across all devices Dart
React Native MVPs, JavaScript Teams, Fast Iteration Large ecosystem, reusable web/mobile code, strong community support JavaScript / TypeScript
.NET MAUI Enterprise & Microsoft-Stack Apps Deep Azure/M365 integration, C# familiarity, strong enterprise tooling C# / .NET
Kotlin Multiplatform Shared Business Logic with Native UI Native flexibility per platform, shared logic layer, Google-backed Kotlin

Comparison

Flutter Vs. React Native: Which Framework is Right For Your Project

Flutter is generally better for apps requiring high visual fidelity, smooth animations, and consistent cross-device UI. React Native is stronger for teams with existing JavaScript expertise or projects that need rapid iteration with a mature ecosystem. Both are production-ready. The best choice depends on your use case, team, and performance requirements.

Criterion Flutter React Native
Performance Near-native; custom Skia/Impeller rendering engine Near-native; bridges to native components
UI Experience Pixel-perfect consistency across all devices and platforms Platform-native UI components (look more “native” per OS)
Developer Community Rapidly growing; backed by Google Mature, backed by Meta, large JavaScript ecosystem
Scalability Excellent, modular architecture, strong state management options Good; it can require more architectural discipline at scale
Development Speed Fast, hot reload; rich widget library Very fast; leverages existing JS/React knowledge
Enterprise Readiness Strong; adopted by global enterprises, including BMW and major Google-backed products. Strong; used across Meta’s ecosystem and by companies such as Shopify.
Maintenance Single codebase; easy to maintain Single codebase; can require native module attention
Learning Curve Moderate (Dart); fast for experienced teams Low for JS developers; React knowledge transfers directly
Sources: Flutter  |  React Native

Last updated: 16 June 2026

Quick Recommendation

Flutter

Choose Flutter if your product demands rich, custom UI, high-performance animations, or consistent brand expression across every screen.

React Native

Choose React Native if your team is JavaScript-native, your timeline is aggressive, or your product requires deep integration with existing React web components.

How We Built It

Technology Stack for Cross-Platform App Development

Our cross-platform app development practice is supported by a comprehensive, modern technology stack.

Flutter React Native .NET MAUI
Node.js .NET / ASP.NET Core Python Django FastAPI Java (Spring Boot)
AWS (ECS, Lambda, RDS, S3) Microsoft Azure (App Service, Cosmos DB) Google Cloud (Firebase, GKE)
PostgreSQL MongoDB Firebase Firestore Redis MySQL
OpenAI GPT-4o Google Gemini Anthropic Claude TensorFlow Lite Core ML
GitHub Actions Bitbucket Pipelines Docker Kubernetes Fastlane
Auth0 Firebase Auth Azure AD B2C OAuth 2.0 / OIDC
Stripe Razorpay Braintree Apple Pay

How We Work

Cross-Platform App Development Process

Building a great app is not just a technical problem; it is a strategic, design, and engineering challenge. Here is how Sphinx Solutions delivers cross-platform mobile applications that succeed in the market.

STEP 1
Discovery Workshop & Requirement Analysis

What We Do: We conduct detailed stakeholder discussions, analyse business objectives, identify user needs, assess technical requirements, and define the overall product vision to ensure alignment from the very beginning.

What You Get:
  • •Clear project scope and objectives
  • •User persona and market insights
  • •Feature requirement documentation
  • •Technology recommendations
  • •Development roadmap and cost estimates
STEP 2
Product Strategy & Roadmap Planning

What We Do: Our product strategists transform business requirements into a structured development roadmap by defining feature priorities, platform requirements, release milestones, and success metrics.

What You Get:
  • •Product roadmap
  • •MVP feature prioritization
  • •Platform selection strategy
  • •Go-to-market recommendations
  • •Project timeline and milestones
STEP 3
UI/UX Design & Prototyping

What We Do: We create wireframes, user journeys, interactive prototypes, and design systems that validate the user experience before development begins, ensuring consistency across iOS and Android platforms.

What You Get:
  • •Wireframes and user flows
  • •Interactive prototypes
  • •Platform-adaptive UI designs
  • •Design system and component library
  • •User experience validation
STEP 4
Architecture & Technical Planning

What We Do: Our architects design a scalable technical foundation by selecting the right cross-platform framework, defining application architecture, planning API integrations, and establishing security standards.

What You Get:
  • •Technical architecture blueprint
  • •Framework selection strategy
  • •API and integration plan
  • •Security and compliance framework
  • •Scalability roadmap
STEP 5
Agile Cross-Platform Development

What We Do: Our developers build your application using agile methodologies, delivering functionality in iterative sprints with continuous collaboration, progress reviews, and transparent reporting.

What You Get:
  • •Working software delivered in phases
  • •Sprint reviews and demonstrations
  • •Continuous stakeholder visibility
  • •Faster feature releases
  • •Flexible development process
STEP 6
Quality Assurance & Testing

What We Do: We perform comprehensive testing throughout development, including functional testing, automated testing, performance validation, security assessments, and cross-device compatibility testing.

What You Get:
  • •Automated and manual testing coverage
  • •Performance optimization reports
  • •Security validation
  • •Cross-device compatibility assurance
  • •Reduced production risks
STEP 7
Deployment & Launch Management

What We Do: We manage the complete application deployment process, including app store submissions, compliance reviews, release management, and production environment configuration.

What You Get:
  • •App Store and Google Play deployment
  • •Release management support
  • •Production environment setup
  • •Launch readiness verification
  • •Deployment documentation
STEP 8
Maintenance & Growth Support

What We Do: After launch, we continuously monitor, maintain, and enhance your application to ensure optimal performance, security, platform compatibility, and business growth.

What You Get:
  • •Ongoing maintenance and support
  • •Performance monitoring
  • •OS compatibility updates
  • •Feature enhancements and upgrades
  • •Dedicated technical assistance
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Who We Build For

Industries We Serve With Cross-Platform App Development

Sphinx Solutions brings deep domain expertise to cross-platform mobile development across a broad range of industries. We do not just build apps; we understand the business context that makes them succeed.

Healthcare

HIPAA-compliant mobile apps for patient engagement, remote monitoring, telehealth, and clinical operations. We build healthcare apps that physicians trust, and patients use daily.

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FinTech

Secure, regulation-aware mobile banking, payment, insurance, and investment platforms. Our FinTech apps meet PCI-DSS and SOC 2 requirements by design.

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Logistics & Supply Chain

Real-time fleet tracking, delivery management, warehouse operations, and driver apps for global logistics operations. We handle high-data-throughput and offline-first scenarios.

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eCommerce & Retail

Feature-rich shopping apps with real-time inventory, AI-driven recommendations, loyalty programs, and seamless payment integration. We have delivered for both D2C brands and enterprise retailers.

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Real Estate

Property discovery platforms, virtual tour integrations, mortgage calculators, and agent CRM mobile apps for leading real estate organisations.

EdTech

Interactive learning platforms, LMS mobile apps, live class integrations, and content delivery apps for education companies serving millions of learners.

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Travel & Hospitality

Booking apps, itinerary managers, loyalty reward platforms, and hotel concierge apps that deliver seamless experiences from search to checkout.

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Food & Restaurant

Full-cycle food delivery apps, restaurant management systems, and kitchen display apps, built to handle peak-load traffic with reliability.

Social Networking

Community platforms, real-time messaging, content creation tools, and social commerce features for apps with large, active user bases.

AI Products

Mobile front-ends for AI-native products, including generative AI interfaces, AI assistants, computer vision apps, and intelligent recommendation engines.

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SaaS Platforms

Mobile companions for SaaS products, delivering core platform features to mobile users with deep backend integration and enterprise authentication.

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  • Healthcare
  • FinTech
  • Logistics & Supply Chain
  • eCommerce & Retail
  • Real Estate
  • EdTech
  • Travel & Hospitality
  • Food & Restaurant
  • Social Networking
  • AI Products
  • SaaS Platforms

Proof of Work

Cross-Platform Apps That Delivered Measurable Results

Sphinx Solutions show you outcomes, not just portfolios. Every application below is measured against the business problem it was built to solve.

Sphinx Built a Global Networking Platform for Entrepreneurs

TENX

Problem

A platform that could bring entrepreneurs, founders, investors, and business leaders together to network, collaborate, share opportunities, and build meaningful professional relationships from anywhere in the world.

Challenge

To develop a scalable networking and collaboration platform capable of supporting user engagement, real-time interactions, community building, and seamless networking experiences across a growing global audience.

Solution

A feature-rich networking application with user profiles, collaboration tools, community engagement features, messaging capabilities, and a scalable backend designed to connect entrepreneurs worldwide and foster meaningful business relationships.

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Sphinx Developed a Premium Airport Transportation Booking Platform

ACE ELITE SERVICES

Problem

A platform that would allow travelers to pre-book airport transportation, manage memberships, track rides, receive real-time updates, and enjoy a seamless luxury travel experience through a single application.

Challenge

To build a secure and scalable cross-platform application with GPS tracking, payment integration, membership management, ride scheduling, push notifications, and a frictionless customer journey.

Solution

A cross-platform mobile application featuring airport ride pre-booking, membership subscriptions, GPS tracking, payment gateway integration, driver and vehicle updates, push notifications, and an intuitive user experience designed to improve customer satisfaction and retention.

VIEW CASE STUDY arrow
← →

Every solution we build is AI-ready by architecture, so your business grows smarter. We engineer software around the way your business, processes, integrations, and growth targets. We bring years of delivery precision to every project across the world. 

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How Much Does Cross-Platform App Development Cost?

Cross-platform app development costs vary depending on application complexity, feature requirements, third-party integrations, UI/UX design, technology framework, and deployment scope.

Use our App Cost Calculator to estimate your project budget based on your unique business requirements and development goals.

  • Estimate cross-platform app development costs
  • Compare MVP, mid-scale, and enterprise app budgets
  • Understand the impact of integrations, AI features, and custom functionality
  • Plan development timelines and resource allocation
  • Receive a personalised project cost estimate

Why Choose Us

Sphinx Solutions as Your Cross-Platform App Development Partner

There are hundreds of mobile development companies. Here is what makes Sphinx Solutions the right choice for organizations that need to get it right.

Why choose Sphinx Solutions

Since 2010, Sphinx Solutions has been building mobile applications at the intersection of performance, design, and business strategy. We have seen every wave of mobile technology and we bring that institutional knowledge to every project.

Our cross-functional agile teams operate in two-week sprints with regular demos, transparent backlogs, and continuous delivery. You always know what is being built, why, and when it ships.

Weekly status reports, real-time project dashboards, and open access to your development backlog. We operate with complete visibility no black boxes, no surprises.

Every line of code, every design asset, and every technical deliverable we build for you is fully and exclusively yours. We transfer complete intellectual property ownership at project completion.

ISO-certified development processes, NDA-protected engagements, secure code repositories, and rigorous data handling protocols. Security is not an add-on — it is embedded in how we work.

With development centres in India and client engagement teams serving North America, Europe, the Middle East, and Southeast Asia, we provide enterprise-quality delivery at a competitive global cost structure.

Our engineering teams are actively trained in AI-augmented development using LLMs for code generation acceleration, automated testing, documentation, and intelligent QA, without compromising code quality.

How We Engage

Engagement Models That Fit Your Cross-Platform App Development Goals

As a leading cross-platform app development company, we offer flexible engagement models designed to match your project scope, budget, timeline, and business objectives. We provide complete transparency, delivery accountability, and full IP ownership.

Fixed Scope Development

A clearly defined project scope, fixed budget, and milestone-based delivery model ideal for businesses with well-documented requirements and predictable timelines. This engagement model works best for MVPs, proofs-of-concept, and cross-platform applications where cost certainty and delivery predictability are essential. 

Agile Product Development

A sprint-based engagement model that provides the flexibility to adapt features, priorities, and requirements as your product evolves. Designed for startups, SaaS platforms, AI-powered applications, and growing businesses that rely on continuous feedback, rapid iteration, and evolving market opportunities. 

Dedicated Cross-Platform Development Team

A fully managed team of cross-platform app developers, designers, QA engineers, and project managers working as an extension of your organization. This model is ideal for long-term product development, enterprise applications, digital transformation initiatives, and businesses seeking ongoing mobile innovation without the overhead of building an in-house team.

Not Sure Which Engagement Model Is Right for Your Project?

Book a 30-minute Free consultation.

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Experts Insights

For enterprise applications where Microsoft tooling is central to your architecture, .NET MAUI is the clear choice. We evaluate your project during the discovery phase and recommend the framework that best serves your business goals, not our convenience.

Anand Mahajan

Anand Mahajan

CEO, Sphinx Solutions

Read more

Our Track Record  

Client-Oriented. On-Time Delivery

15+ years of experience 

Sphinx has completed 15 successful years in the industry by helping businesses with technology and digital transformation.

15+ industry experts

We have a dedicated and reliable team of experts across roles, including business administrators, project managers, coordinators, and more.  

1500+ solutions delivered

We have successfully delivered 1500+ solutions to our clients through our results-driven approach, many of whom are recurring clients.  

200+ in-house resources

We have a dedicated in-house team of professionals who are experienced and skilled in their divisions.  

750+ happy clients

We are trusted by 750+ clients for providing the best-in-class innovative solutions at affordable rates.  

50+ million users love our work 

Our client-centric approach and high-calibre work that we provide by leveraging the latest technologies have made us stand a class apart.  

Ready to Build a Cross-Platform App That Scales? 

Partner with a trusted cross-platform app development company to launch faster, reduce costs, and reach users across iOS and Android.

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Team

Reviews & Ratings

Trusted & Top-Rated by Our Clients

Top-Rated on Clutch

Read our verified client reviews and ratings on Clutch.

5.0 17 reviews

Top-Rated on GoodFirms

Explore our reviews, ratings, and portfolio on GoodFirms.

4.9 21 reviews

faq

Frequently Asked Questions

Usually, yes. One codebase serves both iOS and Android, so you write and maintain less code than you would building two native apps. That tends to shorten the timeline and lower the total cost, and it means you don't have to staff two separate teams.

A native app is built for one operating system with that platform's own tools, like Swift for iOS or Kotlin for Android. A cross-platform app shares one codebase across both. You give up a little raw platform integration in exchange for faster builds, lower cost, and simpler maintenance, though for most apps the difference in feel is hard to notice.

Yes. Our designers build interfaces that work well on both iOS and Android. We keep your brand consistent while respecting each platform's design conventions, so the app feels native rather than like a port.

Yes. We move native and legacy apps to frameworks like Flutter and React Native. We plan the migration to keep disruption low and preserve the features your users rely on, and a single codebase usually cuts what you spend on maintenance afterward.

They can. Current frameworks reach the camera, GPS, biometric login, push notifications, Bluetooth, sensors, and payment systems directly, so you don't have to trade away performance to get a fully featured app.

Yes. We integrate features such as generative AI, chatbots, recommendation engines, predictive analytics, computer vision, and voice assistants to help you engage users, automate routine work, and personalise the experience.

We design the architecture carefully and test throughout the build, not just at the end. That covers performance benchmarking, testing across a range of devices, code optimisation, and QA, so the app stays fast and consistent on both iOS and Android.

It depends on how complex the app is, which features and integrations you need, the design work involved, the tech stack, and the timeline. A simple MVP costs far less than a full enterprise app. For a tailored estimate, try our App Cost Calculator.