react native app development

    React Native App Development for B2B and B2C Apps

    One React Native codebase. iOS and Android in lockstep. Push, offline, OTA updates, App Store and Play Store submission handled. Built by engineers who ship production B2B and B2C apps — not template apps.

    React Native app development team building B2B and B2C mobile apps

    ■ Who this is for

    Who Our React Native App Development Service Is For

    • B2B and B2C companies adding a mobile app to an existing web product
    • Founders launching a mobile-first product who want one codebase, two stores
    • Product teams that need senior React Native engineers without hiring
    • Existing apps that need a rebuild, performance pass, or migration to RN
    • Teams shipping AI-powered mobile experiences (chat, copilots, voice, vision)

    ■ Probably not a fit

    We'll be honest if React Native is the wrong call

    • Pure native iOS-only or Android-only apps with heavy platform-specific UX
    • Games, AR/VR experiences, or anything that needs the metal of the device
    • Marketing-only apps that should really just be a website
    • Hourly fixes on someone else's neglected RN codebase under $5k
    Khatabook logo

    Case Study · Native Mobile App

    $600M

    Parent company valuation

    Bills & GST

    Native app shipped

    Stack

    React Native · TypeScript · Node.js

    ■ Real work

    React Native App Development for Finance and Business Apps

    Khatabook is one of India's most-used SMB finance brands, valued at over $600M. As they expanded the product line beyond the flagship app, our team partnered with their core engineering on the native build of Bills & GST — a separate mobile app focused on GST-compliant invoicing and tax workflows for small businesses.

    ■ Stack we'd pick today

    Choosing the Right Mobile App Stack for Your Product

    We are not stack agnostic. After a decade of shipping mobile apps, we have strong views on which platform earns its keep for which product. Here's what we reach for and why. We will tell you directly if your product is in the small minority that needs something else.

    React Native — default for B2B and B2C apps

    One codebase, two stores, deep React talent pool, and shared business logic with your web app. We use Expo's bare workflow when we want EAS for builds and OTA but full access to native modules. Hot reload and TypeScript across the boundary make sprint velocity meaningfully higher than native.

    Flutter — when Dart is already a strength

    Flutter is a great option if you already have Dart on the team or if your design needs pixel-identical rendering across platforms. The talent pool is shallower than React Native and the integration story with React-based web is weaker — so we rarely default to it for B2B and B2C apps.

    Native iOS / Android — when the platform is the product

    If the app needs heavy AR, deep system integration, performance-critical hardware access, or platform-specific UX patterns that users expect, native wins. We've shipped native when it was the right call. Most B2B and B2C apps are not in that category.

    State and data — Zustand or Redux Toolkit + React Query

    Zustand for most products — it's small, fast, and obvious. Redux Toolkit when the team already knows it and the data model is genuinely complex. React Query handles server state, caching, and the invalidation logic you would otherwise rebuild badly. We avoid bespoke state libraries.

    Storage and offline — SQLite + WatermelonDB

    AsyncStorage for tiny preferences. SQLite via WatermelonDB for anything resembling a real local dataset. We avoid syncing-by-magic libraries — the conflict logic always becomes a debugging tax later. Explicit sync that you can read and reason about ages much better.

    Builds, OTA, distribution — Expo EAS + CodePush

    EAS for builds, signing, and submission to both stores from a single config. CodePush or EAS Update for OTA updates of the JavaScript bundle. Native module changes still need a real store update — we are deliberate about which changes go which path.

    ■ What we ship to

    The React Native production targets we hold ourselves to

    Mobile is unforgiving. Users uninstall an app that takes three seconds to open. App Store review rejects a build that crashes on iPad. These are the numerical targets we treat as non-negotiable on every React Native build — measured on the lowest-spec device the product is meant to support, not on a flagship.

    TargetOur budget
    iOS minimum versioniOS 15
    Android minimum API levelAPI 24 (Android 7)
    Cold start on low-end Androidunder 2.5s
    First screen interactiveunder 1.5s after cold start
    OTA bundle size budgetunder 4 MB gzipped
    Crash-free sessionsabove 99.6%
    Push delivery (FCM and APNs)above 95% within 60s
    First store submission pass-rateFirst-try approval

    We monitor these from the first internal build, not the day before submission. The fastest way to ship a slow app is to defer measurement until the end.

    ■ Real work

    React Native Development for Social and Community Apps

    Bloc is a social and events platform with a mobile-first product surface — discovery, RSVPs, group messaging, and the real-time interactions that make a community app feel alive. The challenge was not any single feature; it was keeping the app responsive while real-time updates, social feeds, and notifications all competed for the main thread.

    Bloc logo

    Case Study · Social & Events

    500K+

    Lines of code shipped

    70%

    Traffic growth

    Stack

    React · React Native · Node.js · MongoDB

    ■ How we work

    From kickoff to live on both stores, in six steps

    01

    Discovery sprint

    One week. We map the product, the user journeys that matter on mobile, and the platform-specific behaviour you can't ignore (notifications, deep links, app store policy, biometrics). Output: a written architecture and a concrete plan for the first 90 days.

    02

    Architecture and stack lock

    We choose the stack, design the navigation tree, define the offline and sync model, and confirm the OTA update strategy before writing production code. Decisions get documented so the next engineer to join is not guessing.

    03

    Sprint zero

    Auth, deep linking, the navigation shell, the design system primitives, CI builds for both platforms, and a deployable internal build. By the end of sprint zero you can install the app on a real device.

    04

    Feature sprints

    Two-week sprints. Internal builds shared via TestFlight and Firebase App Distribution after every sprint. Scope changes get re-baselined at sprint boundaries, not mid-sprint.

    05

    Pre-launch hardening

    Performance pass on real low-end devices, offline scenarios tested deliberately, push notification flows verified end to end, store listing copy and screenshots prepared, privacy declarations filled in. We launch with monitoring and crash reporting already wired up.

    06

    Submission and 30-day stability watch

    We submit to both stores, handle reviewer back-and-forth, and stay on full availability for the first month after launch. Real users surface issues that no internal test catches. Then we move into the standard maintenance and feature retainer if you want us to keep going.

    ■ Honest comparison

    Why Choose Appycodes for React Native App Development

    Senior RN engineers

    • FreelancerMaybe
    • Local agencyMixed
    • In-house hireYes — once hired
    • AppycodesYes

    Time to start

    • Freelancer1-2 weeks
    • Local agency2-4 weeks
    • In-house hire8-16 weeks
    • Appycodes1-2 weeks

    Both iOS and Android coverage

    • FreelancerOften partial
    • Local agencyYes
    • In-house hireDepends on hire
    • AppycodesYes

    App store submission handled

    • FreelancerRarely
    • Local agencyYes
    • In-house hireYes
    • AppycodesYes

    Continuity if someone leaves

    • FreelancerHigh risk
    • Local agencyMedium
    • In-house hireYes
    • AppycodesBuilt in

    Owns code and IP

    • FreelancerMixed
    • Local agencyYes
    • In-house hireYes
    • AppycodesYes — fully

    Bug response after launch

    • FreelancerWhen available
    • Local agencyBusiness hours
    • In-house hireYes
    • AppycodesYes

    None of these options is universally right. A senior RN freelancer is fine for a focused two-week task. An in-house hire is the right move when you have time and certainty. We tend to be the right call when you need senior delivery quickly, with continuity, and someone who has actually been through a few app store reviews before.

    ■ Questions we get

    Real questions from real founders

    If yours is not here, ask us directly.

    Ritesh — Founding Partner, Appycodes

    About the author

    RiteshFounding Partner, Appycodes

    LinkedIn

    Ritesh leads engineering at Appycodes and has spent the last decade shipping mobile and web products for funded startups across the UK, US, India and Australia — including Khatabook, Bloc, CREOATE, and others. His focus is on production engineering: the unglamorous decisions that make a mobile app feel fast on real devices and easy to change six months after launch.

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