* Language and hiring: TypeScript has a much larger developer pool. Dart is a solid language, but finding experienced Flutter engineers is harder.
* Platform model: React Native maps much more naturally to native platform concepts. Flutter owns much more of the rendering stack, which is powerful, but also creates another abstraction layer between the app and the platform.
* Performance: Flutter can absolutely be fast, so I would not claim otherwise. My experience, however, is that RN has required less work to get interactions and animations that feel consistently native.
* Ecosystem: RN benefits from the broader React, TypeScript, JavaScript, and native ecosystems. Expo has also improved dramatically and now covers a large part of the usual mobile platform work.
* Platform-specific features: neither framework completely eliminates native code. Things like widgets, Live Activities, Dynamic Island, extensions, NFC, and other platform APIs eventually bring you back to Swift/Kotlin anyway.
* Migration to native: if the long-term destination is Swift and Kotlin, I find RN a better intermediate representation. Its component model and platform integration are closer to native concepts, which also makes the codebase easier for agents to translate incrementally into proper native applications.
That said, these are trade-offs, not claims that Flutter is bad. Flutter has improved a lot, and for teams that want a highly consistent cross-platform UI, its rendering model can be an advantage.
- Dart. It's richer than JS/TS with stronger type safety, and seems purpose-built for UI. Fewer Dart developers than JS, but I'd argue those JS developers cannot be immediately effective coding React Native (Expo) anyway.
- Emulated components vs. real native components. For multi-platform apps, this is actually desirable. These kinds of apps have their own design system.
- Speed. In my experience, it's negligible, but maybe because I keep using the latest version.
- Ecosystem. Flutter/Dart occasionally introduces "breaking" changes (such as migration to null safety, and recently deprecation of CocoaPods). Community very quick to update their plugins and adapt. Some abandoned plugins were immediately forked to keep being maintained.
- Migrating to native platforms, easier for agents to read an RN project. I'd argue it should be _easier_ to do that with Dart since the language is less "ambiguous" than JS.
However it's not perfect. My complaints:
- Not ideal for web apps with lots of FIRST-time visitors, due to initial download. There are some attempts to solve this, e.g. deferred loading, but I think inherently it's unsolvable since you need to download the whole world (a few MBs) to have the app running on your browser. That's why for this scenario I use SvelteKit. But if you already have a mobile app and want to get a web app "for free", this is a useful feature.
- WebView support is inconsistent across platforms (I'm looking at you, Windows and Linux).
- Text fields are quirky on Android TV.
What was your experience on that aspect with Flutter?
Im a very happy Flutter dev and it's always been odd to see so much negative sentiment around it when there are public discussions.
- Dart is a really _ugly_ language with lots of tiny annoyances. Its as if someone took worst parts of Java and Javascript and turned them into a language. Terrible to write, terrible to read, terrible to use.
- While there is no Skia anymore, the whole custom rendering of Flutter often caused more trouble than not, from the UI implementation itself all the way to specific low-end chipsets not being supported.
- Ecosystem propagates these insane architectures that don't make much sense and are made to either print apps as fast as possible or to emulate some Clean Code like behavior.
- Web still feels terrible to use, even after all these years.
Since I'm not happy with any of these, I've even taken upon writing a framework of my own that renders into native UI and works with any language (gonna shill it here https://hypen.space). It was inspired directly by years of working with mobile and experiencing the pains of crossplatform development such as Flutter and Expo. We can do better than these!
React Native is actually Native so you feel all the pain of the yearly redesign by Apple and Google and the millions of different device quirks to manage which will break your app.
You have the Javascript ecosystem which is notoriously janky and hard to maintain over time, even more so as nobody else cares about making it work for React Native, you are a third-tier platform.
Then the performance, Flutter is actually more performant than native for very cheap devices (I've tested it), that's why it's so popular in India.
The language is unified and doesn't feel as ducked tape as Javascript is.
Since when does React Native use real native components? Last time I've checked it wasn't capable of doing ANYTHING with my phones NFC scanner or native camera...
With flutter I can just build a Kotlin component and integrate it easily into my app. Also Flutters performance is extremely good, I dont know what you are on about. Our app is used on extremely old phones and has great performance. (I am not even a professional android/flutter dev, so I didnt optimize for performance).
Honestly, Flutter is an extremely enjoyable development experience I would recommend anyone I care for to stay away from. The fact it's developed by Google doesn't help: it's a matter of time before they kill it like they did with so many UI libraries and frameworks already, specially with JetBrains developing Compose Multiplatform and the Android team going all-in in the Compose strategy.
Because Impeller has had quite a bumpy ride. Even as recently as June I reported a bug/regression with basic stuff (lines with partial transparency on desktop). All my Android apps are still built with --no-enable-impeller because I've had many instances where the app just shows a blank screen due to driver conflicts.
It may be getting close to stable now, but it wasn't a smooth transition at all.
IIRC, the Flutter team mentioned how using just width/height constraints is enough to represent all relevant layouts. This sounds very nice, being so much simpler than Flexbox and miles ahead of CSS Grid ergonomics.
Did it live up to the promise or did they expand the model with Flex/Grid/etc?
We got tables and floats instead.
Row and Column are just layout algorithms built on that same model, not separate engines added later. GridView uses the sliver system internally, but still doesn't require anything like CSS Grid's general layout model. The render API is open enough for custom layouts too, so packages like https://pub.dev/packages/boxy build directly on it
I think Dart and Flutter are very overlooked. The language has completely changed since its release, its statically typed, has null safety, enums, and pattern matching, and is very simple and easy to read. It has fast compilation and a ui framework with hot reload. It's as fast as Js on v8 while using less memory and has the overlooked feature of having very fast, almost 0 overhead, ffi.
I think the importance of good ffi is underrated for these ui languages. For reference, everyone that's using electron has to run two node processes doing ipc over a websocket connection. That's going to waste an absurd number of cpu cycles and memory when you are passing messages around when your app is basically a ui for a cli.
At some point there's just not much exciting new stuff to add. Flutter is a nice stable platform, I'd highly recommend it.
So they're probably investing in it enough for basic maintenance, but don't really care about evolving the language.
Killing Flutter would not promote a manager. For now, of course.
It's super nice.
I get the impression that more are going for native mobile, KMP or PWA.
And it's completely free no ads, no subscriptions, or donations, for the public benefit of improving health and fitness.
It's a guaranteed weight loss or gain app; results within 2-5 weeks! Don't believe? well just read reviews. We do not have Revenue, so no money to spend on marketing.
OK so that's brief description of what we built now flutter part:
The Flutter development experience is very smooth; you rarely run into any issues, just be careful not to block the UI isolate. Sometimes bad structuring issues or ui bugs may end up blocking your UI.
My experience is in Backend (java, rust, c++, go, ruby, python etc..) and this is the first time i built a mobile app. And same is true for other guys on the team.
Some limitations are from the underlying platform and not Flutter. Initially, I thought the lack of OTA was a dealbreaker (as App Store / Play Store approvals are a slow loop) and Expo might be better, but the lack of OTA made me structure the app differently and it turned out it's not as big of a deal actually.
We also managed to have a PWA app (for nearly free) by using Flutter web, so it also runs on devices which do not support the Play Store or App Store, giving us max coverage across the board.
We tested react native but found it slow (your code runs in Hermes VM so you need to write native code to offload) and dev tools aren't as good as flutters imho. Dart AOT, which is what runs on iOS/Android, is much faster by default, so you'll hardly ever feel any need to write native code. And when you do need to write native code, we use some for WorkManager and HealthConnect it's very easy! Just be careful with R8; you might have to set rules (though most plugins ship with rules these days) but if you are writing native code in java/kotlin you may have to do this on your own, or it can sometimes break things!
I am glad I picked Flutter over React Native! I had my doubts, but I am glad I looked at their "architecture" rather than the hype of the subreddits.
I personally would like for it to pick up some ideas from Svelte.
Flutter can get you up and running quickly. If I want cross-plaform support, one codebase is hard to beat.
How does such a basic feature only get added so late?
The web app is here: https://app.vocabuo.com (completely free) And the links for Android/iOS builds are here: https://vocabuo.com (soft paywall)
To an untrained eye who does not care about dropping a few frames, the web version is almost indistinguishable from the "native" build. Especially if you add it to homescreen from safari to hide the navigation bar.
Example: https://grok.com/share/c2hhcmQtNA_e53f2ba6-cac3-49e4-ab95-c9...
The main reason i can think of is generics not existing initially
lol.