React Native vs Flutter: Which Should You Use?

The short answer, and who each one suits

Choose React Native if your team already writes React, or if the app has to share logic and people with a web product. Choose Flutter if you want one codebase that renders identically on iOS and Android, and you have no React investment to protect.

Both are mature, and both ship apps that millions of people use daily without knowing which one built them. The best cross platform framework for you is the one your team can still maintain in three years, which makes this a staffing decision more than a technical one. Here is what genuinely differs, and what does not.

What each framework actually is

React Native comes from Meta. You write screens in React and TypeScript, and the framework renders them using the real UI components of iOS and Android. A button on screen is a genuine platform button. Your logic runs in JavaScript, and native modules cover anything JavaScript cannot reach.

Flutter comes from Google. You write in Dart, and Flutter draws every pixel itself through its own rendering engine instead of borrowing platform components. That is why a Flutter app looks the same on a four year old Android handset and a new iPhone, and why its animations stay so consistent.

That single difference, borrowed components against a self contained renderer, explains nearly every trade-off below.

React Native vs Flutter side by side

Factor	React Native	Flutter
Language	TypeScript or JavaScript	Dart
Rendering	Real iOS and Android components	Own engine, draws every pixel
Maintained by	Meta	Google
Code shared with a React web app	High	Very little in practice
Look across platforms	Follows each platform's conventions	Identical unless you split it
Hiring pool	Large, overlaps with web React developers	Smaller, growing, little web overlap
Release size, simple Android app	Roughly 7 to 12 MB	Roughly 15 to 20 MB
Heavy custom animation	Workable, occasionally fiddly	Its strongest area
Reaching a brand new native API	Native module	Platform channel
Third party library depth	Very deep, quality varies	Narrower, more first party coverage
Best fit	Teams with an existing React or web codebase	Design led apps with no web overlap

Two rows decide most projects: shared code and hiring. If you already have React developers or a React web app, React Native pays you back from week one. If you do not, Flutter's consistency is easier to hold on to.

Performance, and where it actually matters

For the apps most businesses build, forms, lists, dashboards, chat, payments and bookings, both are fast enough that users cannot tell them apart. Framework choice is almost never what makes an app feel slow. Unoptimised images, chatty APIs and a list that re-renders on every keystroke are.

Where a real gap does show up:

• Complex animation and drawing-heavy interfaces favour Flutter, which controls the whole render pipeline.
• Long scrolling lists are now close, after React Native's newer architecture removed the old bridge bottleneck.
• Startup on low end Android hardware leans slightly to React Native, mostly on app size.
• Anything CPU heavy, video handling or model inference, needs native code in either framework.

If your product's core depends on real time data or a model rather than the interface, that work belongs on a server anyway. We built a 24/7 machine learning prediction pipeline on AWS for exactly that reason: it was never app work.

Hiring, and the people cost nobody quotes

A framework is chosen once and staffed for years. React Native draws from the same pool as web React, so one developer can move between your dashboard and your app in the same week. If you already run a React front end, or plan a React based web application, that overlap is worth real money.

Flutter's pool is smaller but less crowded with people who have never shipped an app. Dart is quick to learn for anyone with Java, C# or TypeScript behind them, so retraining a competent developer takes weeks. The catch is that your Flutter people are rarely your web people, so you staff two disciplines instead of one.

Rates matter more than either. Our blended rate is $30 to $60 per hour against $120 to $200 at a typical US or UK agency, and that gap is larger than any efficiency either framework can hand you.

What each one costs to build and run

For a first release, the two cost about the same. A cross platform app with authentication, core screens, payments and push notifications runs 8 to 12 weeks either way. Our mobile app development projects start from $12,000, and the framework is not what moves that figure. Screen count, integrations and custom design do.

Costs diverge after launch:

• React Native upgrades come more often and can be noisy when a third party library lags behind. Budget a small allowance twice a year.
• Flutter upgrades are usually calmer because more of the stack is first party, though a Dart package can still go unmaintained.
• Both need an Apple Developer account at $99 a year and a one off $25 for Google Play, plus store review time in every release plan.
• Neither removes the need for a backend, which is usually the larger half of the budget.

We quote both as fixed scope and fixed price, with weekly demos and 30 days of post-launch fixes. Our published starting prices show where a project lands before you sit through a sales call.

How we choose on real projects

When we pick React Native

There is an existing React codebase, a web app that shares business logic, or an internal team that already writes TypeScript. It is also our default when the app should feel native to each platform, for example a finance tool where iOS users expect iOS conventions. LoanTrackr, a loan tracking SaaS MVP, is that shape of product: familiar patterns, quick to ship, shared logic with a web dashboard.

When we pick Flutter

The product is design led, the brand wants the same interface everywhere, and there is no web front end to share with. Flutter is also stronger when one small team has to support both platforms with no drift between them, because there is simply less that can differ.

One caveat applies to both. Neither framework fixes an unclear scope, a missing backend plan or a design nobody has signed off. Most of the struggling app projects we are asked to rescue were never framework problems.

Frequently asked questions

Which is better for app development in 2026, React Native or Flutter?

Neither is better in general. React Native wins when you have React developers or a React web app to share code with, and Flutter wins when you want one identical interface on both platforms with no web overlap. Both ship serious production apps, so decide on team and product rather than on popularity.

Is Flutter faster than React Native?

Flutter has an edge on heavy custom animation because it controls its own rendering engine. For typical business apps built around lists, forms and API calls, users cannot tell the difference, and React Native's newer architecture closed most of the old gap. Your API response times and image sizes affect perceived speed far more than the framework does.

Can I use one codebase for the web too?

React Native can share a lot of logic with a React web app, and sometimes components too, though you should still design the web experience separately. Flutter compiles to the web, but the output suits internal tools better than public pages that need to rank. For a public site, build the web separately and share the API.

How much does cross platform app development cost?

A focused first release with authentication, core screens, payments and notifications typically starts from $12,000 and takes 8 to 12 weeks, in either framework. Backend work, third party integrations and custom design push it up. Building the same app natively twice usually costs 60 to 90 per cent more, which is the real argument for going cross platform.

Should I just build native iOS and Android instead?

Build native when the app is the product and leans on deep platform features such as advanced camera work, background location, widgets or complex offline sync. For most business apps, cross platform gives you one team, one release cycle and one set of bugs. You can always add native modules for the two or three features that need them.

If you are weighing the two and want a recommendation rather than a pitch, send us your screens or a rough feature list. We will reply with a fixed quote and the framework we would choose, and tell you plainly if we think you should build native instead.