StratixFlow
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App Development

Mobile Apps Built for Retention, Revenue & Real Users

Custom iOS, Android & cross-platform apps built with React Native, Flutter, and native SDKs — fast cold starts, offline-first architecture, and App Store-ready from day one.

4.8★
Avg App Store Rating
60fps
Smooth UI Target
35+
Apps Published
99.5%
Crash-Free Sessions

What We Build

App Development Services

From MVP to enterprise — every app is scoped clearly, built cleanly, and shipped to both stores on time.

React Native Apps

Cross-platform iOS & Android apps from a single codebase. Native performance, deep device API access, OTA updates, and App Store / Play Store deployment.

React NativeExpoTypeScriptiOS & Android

Flutter Development

Pixel-perfect, 60fps cross-platform apps with Flutter. Ideal for brands that need a consistent, custom UI across mobile, web, and desktop simultaneously.

FlutterDartMaterial 3Adaptive UI

Native iOS Development

SwiftUI and UIKit apps engineered for Apple's ecosystem — ARKit, CoreML, HealthKit, and deep system integrations that cross-platform tools can't match.

SwiftUIUIKitCoreMLARKit

Native Android Development

Jetpack Compose & Kotlin apps optimised for the full Android device spectrum — offline-first architecture, background sync, and Play Store compliance built in.

KotlinJetpack ComposeRoom DBWorkManager

App Backend & APIs

Scalable mobile backends with push notifications, real-time sync, media storage, and auth — REST or GraphQL, Firebase or custom Node.js infrastructure.

Node.jsFirebasePush NotificationsWebSockets

App Store Optimisation & Launch

App Store & Play Store listing optimisation, screenshot design, metadata strategy, review management, and launch-day monitoring for maximum visibility.

ASOApp StorePlay StoreAnalytics

Our Stack

Technology We Master

Battle-tested tools chosen for performance, App Store compliance, and long-term maintainability.

Cross-Platform
React Native
Expo SDK
Flutter
Dart
TypeScript
Reanimated 3
Native
SwiftUI
UIKit
Kotlin
Jetpack Compose
Xcode
Android Studio
Backend & Data
Firebase
Node.js
Supabase
SQLite
Realm
REST / GraphQL
Tooling & QA
Flipper
Detox
Jest
TestFlight
Sentry
Mixpanel

Proof of Work

Apps We've Shipped

TrackPulse Fitness
Health & Fitness App
28k+
MAU
4.9★
Rating
D30 62%
Retention
React NativeHealthKitFirebaseStripe
NearDrop Local
Marketplace App
90k+
Installs
1.1s
Load Time
+3.2x
GMV
FlutterNode.jsMaps SDKPush
ClearDoc Medical
Enterprise mHealth
120+
Clinics
99.7%
Crash-Free
Compliant
HIPAA
Native iOSKotlinFHIR APIBiometrics

How We Work

Our App Dev Process

01

Discovery & UX Scoping

User flows, feature prioritisation, platform strategy, and a fixed-price or sprint-based proposal aligned to your roadmap.

02

Design & Prototype

Figma screens with native component libraries, interactive prototype on real devices before any code is written.

03

Build, Test & Review

Biweekly TestFlight / Play Console builds. Unit, widget, and integration tests. You review on your device, we iterate.

04

Launch & Post-Launch

Store submission, review management, crash monitoring, analytics setup, and a structured handover with full documentation.

Why StratixFlow

App Engineers Who Think Like Product Owners.

We don't just write screens — we ask why the feature exists, whether the UX will actually retain users, and whether the architecture will scale to your next million downloads. You get engineers who care about your product, not just the ticket.

TypeScript-first — no runtime surprises
TestFlight & Firebase App Distribution on every sprint
Unit, widget & E2E tests with Detox included
Crash monitoring with Sentry from day one
App Store & Play Store submission handled for you
Full documentation and README handover
Post-launch support retainer available
You own 100% of the IP, certs & store credentials

Performance-Obsessed Builds

We profile every screen with Flipper and Instruments. Jank-free scrolling, fast cold starts, and lean bundle sizes are baseline, not bonus.

Offline-First Architecture

Mobile users lose signal. We build apps that keep working — local-first data, background sync queues, and graceful conflict resolution.

Security & Compliance

Keychain / Keystore credential storage, certificate pinning, biometric auth, and GDPR-ready data handling — App Store and enterprise policy compliant.

Deep Platform Integration

Widgets, Shortcuts, Live Activities, Siri, Google Assistant, NFC, Bluetooth, camera pipelines — we unlock the hardware, not just the screen.

Full Source & IP Ownership

On delivery you receive 100% of the source code, certificates, provisioning profiles, and store credentials — nothing held back.

Iterative Sprints & Fast Delivery

Testflight & Firebase App Distribution builds every two weeks. Crash analytics, feedback loops, and production monitoring from day one.

Get Started

Let's Build Your App

Tell us about your app idea. We'll respond within 24 hours with a platform recommendation, scoping breakdown, and ballpark estimate — no commitment required.

Tech Preferences (optional)

No spam. No commitment. Response within 24 hours.