NATIVE IOS & ANDROID MOBILE APPS
We build category-defining mobile ecosystems for ambitious consumer brands, fintechs, and high-volume marketplaces with silky 60 FPS gesture choreography.
What Mobile Application Engineering Services Does PLEXA Provide?
PLEXA delivers end-to-end native and cross-platform mobile application development for enterprise brands, high-growth startups, and consumer platforms worldwide. We engineer native iOS applications in Swift and native Android applications in Kotlin, alongside high-performance cross-platform codebases built with React Native and Expo. Every mobile architecture is designed for fluid 60 to 120 frames-per-second scrolling, sub-second biometric authentication with FaceID and TouchID, and offline-first data persistence using SQLite and encrypted local storage. Our mobile engineering team integrates native device APIs including Apple Pay, Google Pay, background location tracking, interactive push notifications, and real-time WebSockets. PLEXA handles the entire mobile release lifecycle from interactive Figma wireframes and backend API development to Apple App Store review, Google Play Store compliance, and zero-downtime over-the-air updates. All client deliverables include full source code ownership, intellectual property transfer, and a 99.99% infrastructure uptime SLA guarantee.
60 FPS Fluidity
Native gesture choreographies, micro-interactions, and instant layout transitions engineered with Swift (iOS), Kotlin (Android), and React Native.
Offline & Real-Time Sync
Robust local caching, optimistic UI updates, and real-time synchronization pipelines ensuring zero user interruption in low-connectivity environments.
Biometric & In-App Pay
Apple Pay, Google Pay, Face ID / Touch ID biometric authentication, and 1-tap checkout sheets maximizing conversion.
TECHNICAL ARCHITECTURE & SPECIFICATIONS
| Architecture Layer | Native iOS Stack | Native Android Stack | Cross-Platform Stack |
|---|---|---|---|
| Core Language | Swift 5.9+ / SwiftUI | Kotlin 1.9+ / Jetpack Compose | TypeScript / React Native |
| Local Persistence | CoreData & SQLite | Room DB & SQLite | WatermelonDB & MMKV |
| Frame Budget | 120Hz ProMotion Ready | 120Hz Smooth Refresh | 60Hz Native Bridge |
| Biometrics | LocalAuthentication (FaceID) | BiometricPrompt API | Native Hardware Security |
| Release Cycle | 2 to 4 Weeks | 2 to 4 Weeks | 2 to 3 Weeks |
MOBILE APPLICATION SCOPING & DELIVERABLES
Cross-Platform MVP
React Native app on iOS and Android with core user flows, API integration, and push alerts.
Native Mobile Ecosystem
Full native or hybrid app with biometrics, in-app purchases, offline SQLite sync, and web portal.
Enterprise Mobile Suite
Pure Swift & Kotlin native modules, complex hardware sensors, background sync, and continuous maintenance.