Cross-Platform App Development Company
Build once, ship to iOS and Android simultaneously. iCoderz delivers Flutter and React Native apps with 80% shared codebase, native device access, and 20–30% lower cost than two separate native apps — without sacrificing performance or user experience.
- Flutter & React Native
- iOS & Android from One Codebase
- Simultaneous App Store & Play Store Launch
Trusted by product teams, startups & agencies across 35+ countries
Cross-Platform App Development
That Doesn’t Compromise
The old argument against cross-platform development was performance. That argument is over. Flutter’s Impeller rendering engine and React Native’s new JSI architecture deliver frame rates and responsiveness indistinguishable from native Swift and Kotlin apps for the vast majority of use cases.
iCoderz has shipped 150+ cross-platform apps across fintech, e-commerce, healthcare, and on-demand verticals. We maintain two dedicated teams — one for Flutter, one for React Native — and recommend the right framework for your specific project rather than defaulting to what we prefer to build.
One codebase. Two stores. Full native capability. Camera, GPS, biometrics, Bluetooth, push notifications, in-app purchases — all available via genuine native APIs in both Flutter and React Native.
Cross-Platform App Development Services
From MVP to enterprise-scale cross-platform apps — we cover the full development lifecycle in both Flutter and React Native, with dual app store submission included.
Apps We've Built That Made a Difference
Explore our full portfolio of mobile apps that have driven real results for our clients — from first launch to millions of downloads.
iOS App
The Chowman App
The Chowman App opens the gateway for the world of flavorful Chinese cuisine for customers directly from the famous Kolkata-based Chinese restaurant chains.
iOS App
Square Fit
A fantastic mobile app that helps you make beautiful photo & video edits on a single app. Square Fit includes 50+ tools to edit, add effects, and optimize images and videos.
Benefits of Cross-Platform App Development
Cross-platform development has matured to the point where it is the right choice for the majority of mobile projects. Flutter or React Native will deliver a better outcome faster and at lower cost than two separate native apps.
Our Cross-Platform Technology Stack
Flutter and React Native — the two leading cross-platform frameworks — with modern state management, native integrations, and end-to-end CI/CD.
Why Choose iCoderz for Cross-Platform Development
Flutter and React Native experts. 50+ device test lab. Dual app store submission. 150+ cross-platform apps shipped.
Both Flutter & React Native Expertise
Most agencies commit to one framework and recommend it regardless of fit. We build production apps in both Flutter and React Native — and we recommend based on your team’s skills, app complexity, and timeline, not on what we prefer to build.
20–30% Lower Cost Than Two Native Apps
One shared codebase = one engineering team, one sprint, one QA cycle. For most consumer and B2B apps, the cost saving versus building separate iOS and Android codebases is substantial — without meaningful performance trade-offs.
Real Native Device Access
Camera, GPS, biometrics, Bluetooth, NFC, and push notifications — all via genuine native APIs, not web fallbacks. Our cross-platform apps access the same device capabilities as Swift and Kotlin apps. No feature compromise.
Simultaneous iOS & Android Launch
Ship to the App Store and Google Play in the same week — not months apart. A shared codebase means testing, fixing, and releasing happens once. Your launch moment is unified, not split across two platform timelines.
100% Code & IP Ownership
Full source code handover, NDA, and zero vendor lock-in — whether we build in Flutter or React Native. Your engineering team can maintain, extend, or migrate the codebase independently after delivery.
Explore More Mobile App Services
Experience in Every Sector
14+ years of building production-grade software across the most demanding industries.
Build Your Cross-Platform
App Today
Book a 30-minute call. We’ll recommend Flutter or React Native based on your specific requirements, give you a realistic cost estimate, and outline a path to simultaneous iOS and Android launch.
You book a call → we confirm within 24 hours
30-minute call: requirements, framework recommendation, rough estimate
Within 5 days: detailed proposal with scope, timeline & fixed price
Get in Touch!
Cross-platform development means writing one codebase that runs natively on both iOS and Android. Frameworks like Flutter and React Native share 80–90% of code between platforms while delivering near-native performance — significantly faster and cheaper than building two separate native apps.
Flutter delivers better UI consistency and performance for graphics-heavy or animation-rich apps and compiles to native ARM code. React Native suits teams with JavaScript/TypeScript expertise and apps requiring deep web integration. iCoderz recommends the right framework after understanding your specific requirements — we build commercially in both.
Yes. Both Flutter and React Native provide full access to camera, GPS, biometrics (Face ID/Touch ID), Bluetooth, NFC, push notifications, in-app purchases, and all other native platform APIs. There is no meaningful feature gap versus native Swift or Kotlin apps for standard use cases.
A cross-platform MVP costs $15K–$35K (10–14 weeks). Full-featured consumer or B2B apps range from $40K–$100K (16–24 weeks). Enterprise cross-platform platforms start at $100K+. This is typically 20–30% less than building separate iOS and Android native apps. We provide detailed fixed-price estimates after a free discovery call.
A cross-platform MVP takes 10–14 weeks from kickoff to dual store submission. Full-featured apps take 16–24 weeks. This is typically 30–40% faster than building two separate native apps. We use 2-week sprints with TestFlight and Google Play internal track builds throughout development.
Yes. Apple does not discriminate against Flutter or React Native apps in App Store review. Both frameworks are used by major apps across all categories. iCoderz has submitted 150+ cross-platform apps to both stores — we follow platform guidelines throughout development and handle the complete submission process.