this post was submitted on 02 Mar 2024
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Flutter is native. It gets compiled to an executable, it just takes a render plane from the underlying OS and renders everything in it's own engine. They're working on a new render system that will make it go even faster.
React Native is just a fancy web browser wrapping with some helper APIs.
React native is not a browser. It uses native components.
RN is native too I think, at least it advertises itself as a way to compile some kind of XML syntax into native widgets on either platform. An improvement to PWAs even if I despise typescript
yeah, it displays native widgets but there is still a js engine (browser) running in the background. So the basically made a layer between native components and Javascript. But the code which is running is js and js is slow.
yeah the JS/TS was always a killer for me ngl
JS by itself is very fast (it's one of the fastest dynamic languages). It's interop with platforms APIs that is slow, at the fact that each React app spins up its own instance of Chromium also doesn't help.