I never understood what expo was.

I never understood what expo was. I thought it was some magic that was used until you needed to ”eject” your app, which I’ve done. perhaps it’s time to learn what it actually is :)
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Denis

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Expo is just a layer on top of create-react-native-app or CRNA that unifies the standalone code for both android and iOS. i.e. with react-native itself you would have to separate standalone code for iOS in ios/.js folder and for android in android/.js. With Expo you don't need to worry about standalone code, you just write your JS code and Expo will transpile it for you based on the platform. it also makes is easier to build packages for both platforms.

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