Opinion
Flutter vs React Native in 2026: Which Should You Build With?
June 29, 2026
The honest answer in 2026: for around 90% of apps, performance is no longer the thing that decides it. Both Flutter and React Native are fast enough, both ship to iOS and Android from one codebase, and the old performance arguments have mostly evaporated. So the real question isn't which is faster. It's which fits your team, your product, and the people you can actually hire.
I'm Gareth, CTO at Foresight Mobile. We build in both, and we maintain a package in Google's own Flutter ecosystem, so I've got skin in this game and a bias I'll be upfront about: we lead with Flutter. But this comparison is only useful if it's honest about where React Native wins, so that's how I'll write it. If you read the 2024 version of this post, a fair bit of it is now wrong, and I'll show you exactly what changed.
Two big things, and they cut in opposite directions.
React Native killed its bridge. The single loudest criticism of React Native, the one the old version of this post leaned on, was the "JavaScript bridge": a translation layer that passed messages between JavaScript and native code and added lag. That bridge is gone. React Native's New Architecture (Fabric for rendering, TurboModules, and JSI for direct synchronous calls) is now the default, and recent releases ship with no way to switch back to the old setup. Bridgeless mode has been the default since RN 0.78. If your mental model of React Native is "fast to build but laggy", update it. That's a 2022 view.
Flutter made Impeller the default. The old post sold Impeller, Flutter's rendering engine, as a shiny new upgrade you could opt into. In 2026 it isn't optional. Impeller is the default and only renderer on modern Android, with the old Skia backend removed. Because it pre-compiles shaders, the first-run stutter Flutter used to get is gone. Current stable is Flutter 3.4x with Dart 3.1x, announced at Google I/O in May 2026.
And a third thing arrived that the old "two titans" framing ignored: Kotlin Multiplatform is now a serious option. More on that below.
Here's how they actually compare now. I'd treat the performance numbers as directional rather than gospel: they come from independent 2026 benchmarks that don't always agree, which is itself the point. The gap is small enough that different tests give different winners.
For graphics-heavy or animation-heavy apps, Flutter still has an edge. It draws every pixel itself through Impeller, so a custom-designed UI looks identical on every device and holds a steady frame rate on long lists and complex animation. Independent benchmarks put it around 58 to 60 FPS on heavy UIs, with React Native a touch behind.
But it's genuinely close, and not always in Flutter's favour. One 2026 suite found React Native cold-starts about 200ms faster and uses around 12% less battery in its tests, because it renders with real native components rather than bundling a whole engine. So if someone tells you one of these is simply "faster", they're cherry-picking. For most apps, the difference is something your users will never notice.
This is the part that actually decides most projects. React Native is JavaScript and TypeScript, the language most web teams already speak. Flutter uses Dart, which is quick to learn but new to most people. If you already have a React web team, React Native lets them build a mobile app with skills they have today. That's a real, immediate cost saving, and it's React Native's strongest card.
React Native wins on raw availability. In the UK there are roughly 3.4 times more available React Native developers than Flutter developers, because so many come from a React web background. If your plan depends on hiring quickly from a deep pool, that matters.
Flutter is the rarer, pricier skill: Flutter developers command around 10 to 15% higher salaries, and supply is tighter. The flip side is that the talent tends to be specialised in mobile, and Flutter postings are growing about 31% year on year, so the gap is closing. We've written before about why we think Flutter outperforms the competition for the kind of work we do.
React Native plugs into the npm ecosystem, which is vast: more third-party libraries, more Stack Overflow answers, more of everything, thanks to its longer life and its web heritage. Around 85% of popular React Native packages now support the New Architecture, so the migration pain is mostly behind it.
Flutter's ecosystem is smaller but more curated, with Google maintaining the core and strong official docs. I'll declare an interest here: Foresight maintains one of those Flutter packages on Google's behalf, with 140,000+ weekly downloads, after taking over flutter_markdown. We don't just use this ecosystem, we help keep part of it running.
If you go React Native in 2026, you'll almost certainly go through Expo. The official React Native docs now recommend Expo for all new projects, and around 81% of React Native developers use it. The old "should I use Expo or plain React Native" debate is basically settled. Expo handles builds, updates and a lot of native plumbing, and it's a big reason React Native is pleasant to start with.
The honest 2026 update to a "Flutter vs React Native" piece is that it's no longer just those two. Kotlin Multiplatform, with Compose Multiplatform, became production-ready for iOS in May 2025 and is now running in real apps: Physics Wallah (17 million users), Wrike, and others. One team, Respawn, shares 96% of its code across iOS and Android with it.
KMP's pitch is different. Instead of one toolkit drawing everything, it lets you share your business logic (or your whole UI, with Compose Multiplatform) while keeping fully native UI where you want it. It suits Android-first teams who already write Kotlin. Its talent pool and tooling are younger than Flutter's or React Native's, so for a greenfield cross-platform build from scratch it's still the riskier pick, but it's the fastest-rising option of the three and worth knowing about before you commit.
Here's how I'd actually decide it, stripped of the tribal stuff.
Choose Flutter if UI quality and consistency across devices matter to you, your app leans graphics or animation heavy, or you're hiring fresh for a product you intend to run for years. Drawing its own pixels means it looks the same everywhere, which saves a lot of per-device fiddling over an app's life.
Choose React Native if you already have a React or JavaScript team, you want the largest hiring pool, or you want the fastest possible start with Expo and the ability to push updates over the air. For a team with existing web skills, it's usually the cheaper, quicker route in.
Consider Kotlin Multiplatform if you're Android-first with a Kotlin team, you want native UI with shared logic, and you're comfortable with tooling that's newer than the other two.
We build in both Flutter and React Native, through our Flutter app development and React Native app development services, so we don't have to talk you into the one we happen to know. If you're not sure which fits your product, that's literally what our App Gameplan is for: in four weeks, for a fixed fee, you'll get a board-ready recommendation on the right stack for what you're building, not the one an agency is trying to sell. Or just get in touch and we'll talk it through.
Is Flutter or React Native faster in 2026?
For most apps, the difference is too small to matter. Flutter tends to hold a steadier frame rate on graphics-heavy and animation-heavy UIs because it renders every pixel itself with Impeller. React Native, on its New Architecture, can cold-start slightly faster and use a little less battery in some tests. Independent benchmarks disagree on the details, which tells you the gap is narrow.
Is React Native still slow because of the bridge?
No. The old JavaScript bridge has been removed. React Native's New Architecture uses JSI for direct, synchronous calls between JavaScript and native code, and bridgeless mode is the default in current releases. The "laggy bridge" criticism no longer applies.
Which has more developers available to hire?
React Native, by a wide margin, because most of its developers come from a React web background. In the UK there are roughly 3.4 times more available React Native developers than Flutter developers. Flutter developers are rarer and paid around 10 to 15% more.
What about Kotlin Multiplatform?
It became production-ready for iOS in 2025 and is now used in real apps with millions of users. It's a strong option for Android-first, Kotlin teams who want native UI with shared logic, though its tooling and talent pool are younger than Flutter's or React Native's.
Which does Foresight Mobile recommend?
We lead with Flutter for most new products because of its UI consistency and long-term maintainability, and we maintain a package in Google's Flutter ecosystem. But we build React Native too, and the right answer depends on your team and product. We'll give you an honest recommendation rather than a default.
