Cross-Platform Mobile Engineering • iOS & Android

Mobile apps that feel native, run at 60fps, and launch on both stores.

We engineer cross-platform mobile applications in Flutter and React Native for US startups and enterprises. Get to market twice as fast with a unified codebase, seamless offline-first architectures, Firebase authentication, and full App Store and Google Play approval management.

Get a Mobile App Quote Flutter vs React Native
100% App Store & Play Store Approval
Native 60 FPS Skia / Impeller Rendering
Single Clean Codebase for iOS & Android
Biometrics (FaceID / Fingerprint) & Keychain
CROSS-PLATFORM PRODUCTION APP
BKR Cross-Platform Mobile Applications in Flutter and React Native
60 FPS Native Performance
Offline-First Sync • Biometrics
Flutter / Dart Compiled Engine
React Native Expo Ecosystem
Firebase Cloud Push & Auth
Production Quality

Everything needed for a top-chart mobile experience

We don't build sluggish web views disguised as apps. We engineer compiled, high-performance mobile apps that leverage device hardware and delight users.

Fluid 60fps Performance

Butter-smooth animations, gesture recognition, and GPU-accelerated rendering that feels indistinguishable from pure Swift or Kotlin.

  • Native Cupertino (iOS) & Material (Android) widgets
  • Haptic feedback and native camera integrations
  • Biometric authentication (FaceID & Fingerprint)

Realtime Cloud & Offline Sync

Keep users engaged even with poor connectivity through local SQLite/Hive caching, background sync, and instant websocket updates.

  • Firebase Cloud Messaging (FCM) & push notifications
  • Offline-first local data synchronization
  • Realtime live chats and location tracking

Store Approval & Compliance

Navigating Apple's App Review Guidelines and Google Play policies can be treacherous. We handle metadata, privacy nutrition labels, and submission from start to finish.

  • In-app purchase (IAP) & StoreKit integration
  • Apple & Google privacy disclosures
  • TestFlight and Google Play Internal testing setups
Framework Selection

Flutter or React Native: We Help You Choose

Both are world-class technologies. We recommend the one that best complements your team's background and product architecture.

Flutter (Dart)

Engineered by Google

Flutter compiles directly to native ARM machine code and draws every pixel on screen using its Impeller graphics engine. Ideal for apps requiring bespoke graphical UI, ultra-fast render loops, and strict pixel-perfect brand consistency across platforms.

Best For:
  • Complex animations, custom UI kits & canvas interactions
  • FinTech, healthcare & enterprise utilities
  • Single codebase expanding to Web and Desktop

React Native

Engineered by Meta

React Native binds JavaScript logic to genuine native platform components (UIKit on iOS, Android Views on Android). Ideal if your company already maintains a React web application or has an existing web engineering team.

Best For:
  • Code-sharing between React web apps and mobile
  • E-commerce, community, and content-centric applications
  • Fast iteration with Expo application services
Store Readiness

From Prototype to 5-Star Reviews

Our battle-tested mobile development lifecycle ensures a seamless launch.

01

Figma UI/UX Prototypes

Interactive mobile prototypes tested for thumb-friendly reachability and ergonomic navigation.

02

Architecture & API

Offline-first state management, local database schemas, and REST/GraphQL API contracts.

03

TestFlight Beta

Direct beta builds pushed to your phone via Apple TestFlight and Google Play internal track.

04

Production Release

App Store screenshots, privacy nutrition label filing, review resolution, and public rollout.