Your app's icon is what users see on the home screen of their devices, as well as in the App Store and Play Store. This is one topic where platform differences matter, and requirements can be strict. This guide offers details on how to make sure your App Icon looks as good as possible on all devices.
The most straightforward way to provide an icon for your app is to provide the icon
. If you want to do the minimum possible, this key alone is sufficient. However, Expo also accepts platform-specific keys under
. If either of these exist, they will take priority over the base
key on their respective platform. Most production-quality apps will probably want to provide something slightly different between iOS and Android.