React Native App Development CompanyREACT
Real Native Views, React Native AppsOne React CodebaseiOS & AndroidTypeScript End to EndNative Modules
Driven by the React
You Already Know
React Native renders genuine UIKit and Android views from React components, so your app inherits platform behaviour rather than imitating it. The new architecture retired the async bridge — and where JavaScript is the wrong place for the work, you drop into Swift or Kotlin and carry on.
- Platform Views, Not a Canvas
- Fabric, TurboModules & Hermes
- Skills Shared With Your Web Team
FinTech
Payments & KYC
E-Commerce
Cross-Platform
- React Native
- Expo
- TypeScript
- LanguageTypeScriptSame as your web app
- RendererFabricC++ core, synchronous
- UI LayerNativeReal platform views
How React Native Actually Works
JavaScript on top, platform views underneath
React Native runs your application logic in JavaScript — Hermes, in practice — and turns the React tree into real platform views. A <Text> becomes a UILabel on iOS and a TextView on Android. That is the defining difference from a framework that paints its own canvas: your app gets platform text selection, accessibility, keyboard behaviour and system theming because it is using the platform's own components.
React Native
Cross-Platform
Platform Coverage
One repo
Hermes
Signed builds, both tracks
- Expo
- TypeScript
- Redux Toolkit
The new architecture changed the shape of the thing. Fabric moved the renderer into C++ with a shared shadow tree, TurboModules load native modules lazily and expose them synchronously through JSI, and Codegen types the boundary from TypeScript specs so a mismatch fails at build rather than at runtime. The old asynchronous, JSON-serialised bridge that caused so many list and gesture complaints is gone. What remains is a JavaScript thread you still have to respect — heavy work belongs on a worklet, a native module or a server, not in a render.
The other reason teams choose React Native has nothing to do with rendering: it is people. The same engineers, TypeScript, linting, state libraries and review habits that run your web product carry over to mobile, and a good share of validation, API clients and domain logic can be shared outright. In exchange you take on an upgrade cadence — React Native, Expo and native dependencies all move — which is fine when someone owns it and painful when nobody does. Aryavos treats that ownership as part of the engagement.
- Real platform views, not a canvas
- TypeScript shared with your web app
- Fabric renderer and TurboModules
- Hermes with bytecode precompiled
- Native modules in Swift and Kotlin
- Expo or bare, chosen deliberately
Why React Native?
What you get, and what you take on with React Native
React Native is the pragmatic choice when you already have React engineers and want mobile that behaves like the platform. Here is where that pays off, and where it asks something of you in return.
One Codebase, Two Platforms
Navigation, state, networking and business logic are written once. The UI mostly is too — until a screen genuinely differs, at which point a .ios.tsx and .android.tsx pair is the honest answer rather than a stack of conditionals. Expect to share nearly all the logic and most, not all, of the interface.
2 targetsOne React treeWhat it means in practiceOne Team Instead of Two
The saving is organisational before it is technical: your React engineers write the app, using the TypeScript, linting, testing and review process they already have. You still need someone who can read a stack trace that ends in Objective-C, and you still ship to two stores with two sets of rules.
1 teamWeb skills carry overWhat it means in practiceNative UI, Not a Simulation
Your components become UIKit and Android views, so text selection, accessibility, keyboard handling, dark mode and system fonts behave the way users expect without you rebuilding them. That is React Native's strongest argument over any framework that draws its own controls.
NativeReal platform componentsWhat it means in practiceFast Refresh & Over-the-Air Updates
Save a file and the component remounts in about a second with state preserved. JavaScript-only changes can also ship over the air between store releases, which is genuinely useful for fixes — but native changes still require a submission, and store policy sets the limits on what may be updated this way.
SecondsSave to reloadWhat it means in practiceThe npm Ecosystem, With Caveats
Almost every SDK you need has a React Native package, and the React hiring pool is deep. The flip side is dependency risk: library quality varies, maintenance can stop, and new-architecture support arrived at different times across the ecosystem. We audit dependencies before adopting them, not after an upgrade breaks.
npmShared with your web stackWhat it means in practiceScales, With Discipline
React Native holds up in large apps, but the JavaScript thread stays a shared resource. Long lists need virtualisation, animations belong on the UI thread through Reanimated, and heavy computation belongs in a native module or on the server. Ignore that and the app feels sluggish; respect it and users cannot tell.
HermesBytecode precompiledWhat it means in practice
Where React Native Fits
Strongest when you already have a React team
If your product is design-led with heavy custom animation, Flutter's own renderer may serve you better. If it is content and forms with a web app already built, Ionic will get you there sooner. React Native wins the middle: platform-native feel, React people, and a native escape hatch whenever you need one.
- iOS
- Android
- Expo
- TypeScript
- Redux
What we take on in React Native
React Native App Development
Product apps in TypeScript with React Navigation, a state approach chosen for the app rather than by habit, and screens that respect each platform's conventions instead of averaging them.
Native Modules & Bridges
When the SDK you need has no maintained package — a payment terminal, a BLE peripheral, background location, a vendor analytics library — we write the Swift and Kotlin, expose it as a TurboModule and type the boundary with Codegen.
New Architecture Migration
Moving an older app onto Fabric and TurboModules, replacing dependencies that never made the jump, and clearing the interop shims. Done incrementally, with the app shippable at every step.
Expo & Release Engineering
Expo where its managed workflow earns its keep, bare where it does not. EAS or Fastlane builds on every merge, signing handled properly, and over-the-air updates set up within what store policy actually allows.
Performance Audits
Hermes profiles, Flipper and DevTools traces, list virtualisation, re-render hunting, animations moved onto the UI thread with Reanimated, and startup time measured on the cheapest device your users carry.
Shared Code With Your Web Team
Monorepo setup where it helps: shared types, validation schemas, API clients and domain logic across web and mobile, with a clear line drawn at the UI layer so neither side ends up compromised.
Why bring your React Native work to us
React engineers who also write Swift and Kotlin
Most React Native problems end up on the native side of the boundary. Our team reads an Xcode crash log and a Gradle build failure without escalating, which is the difference between a two-hour fix and a two-week one.
Expo or bare, argued rather than assumed
Expo's managed workflow removes a great deal of tedium and constrains a few things you may need. We make that call against your actual requirements — background work, custom native code, build infrastructure — and we explain the reasoning.
Upgrades are scheduled work, not emergencies
React Native, Expo and the native toolchains all move. We keep the app on a supported line, upgrade in planned increments, and check dependency health before a release deadline forces the issue.
The JavaScript thread has a budget
Lists get virtualised, animations run on the UI thread with Reanimated, and expensive work moves to a native module or the server. We measure startup and interaction times on a low-end Android device, not on the newest iPhone.
Code shared with your web team on purpose
Types, validation, API clients and domain logic are worth sharing. Components usually are not. We draw that line early so the mobile app does not inherit web assumptions or the other way round.
Dependencies audited before adoption
Every package is a maintenance commitment. We check activity, new-architecture support, licence and native footprint before it enters the tree — and we prefer writing fifty lines ourselves to inheriting an abandoned library.
Release engineering that is not manual
Signed builds for both platforms from CI, staged rollouts, crash reporting wired in from the first internal build, and over-the-air updates configured within what the stores permit.
We will tell you when it is the wrong tool
Heavy custom animation and a design-led interface often suit Flutter better. Content-and-forms apps beside an existing web product often suit Ionic. We would rather point you there than take work React Native is a poor fit for.
How We Build
From brief to live in both stores
Seven steps from the first scoping call to a signed build in both stores. Expo-or-bare and the native module list are settled early, because both are expensive to reverse later.
- First release scopeSet in discovery
- Sprint cadence2-week sprints
- Builds you can runiOS + Android weekly
- Post-launch supportAgreed per engagement
Discovery and Scope
What the app does, who carries it, and every point where it touches the device — camera, Bluetooth, background location, push, payments, biometrics. That list decides how much of this project is actually native work, so it is written down before anything else.
Planning the Architecture
Expo or bare, decided on evidence. React Navigation structure with real deep-link cases, state approach chosen for this team, offline and caching behaviour, a dependency audit for new-architecture support, and the native modules we will own ourselves.
UI/UX Design
Apple's HIG and Material where each applies, because the components really are the platform's. Layouts for phone, tablet and the accessibility text sizes people actually use, plus the loading, empty and error states that decide how an app feels.
Building in React Native
TypeScript in two-week sprints, review on every change, and CI producing signed iOS and Android builds from the first week. You install the same builds we do, on real devices, while the work is still cheap to redirect.
QA & Performance
Jest on logic and components, Detox for the flows that earn money, then real-device QA across an iOS and Android spread. Startup and interaction profiling on a low-end handset, and an accessibility pass with VoiceOver and TalkBack.
App Store & Play Submission
Metadata and screenshots in every required size, privacy and data-safety declarations, signing and release tracks, staged rollout on Play, and the replies when a reviewer comes back with questions.
Support Once You're Live
React Native and Expo upgrades on a planned cadence, native toolchain updates for each new iOS and Android release, crash triage, and over-the-air fixes where policy permits. Scope and duration agreed per engagement.
React Native App Development — FAQ
The questions worth asking about React Native
Straight answers on what React Native does well, where it asks something of you, and how we work. Something here not covered? Ask us directly.
Tell us what you're
trying to build
The problem, who it's for, and where you are now. That's enough for us to come back with something useful.
hello@aryavos.com
HQ
Noida, India & New York, USA
What happens after you send it
A developer reads it, not an auto-responder. Expect questions about scope and constraints first, then a suggested way to start.