The AV1 app works on iOS (11.0 and newer) and Android (9.0 and newer).
The AV1 app should work on all iPhones and iPads. However, older models might not support the latest iOS updates which may in turn cause incompatibility with the AV1 app. iOS devices compatible with iOS 11: https://support.apple.com/HT209574.
There is a big variety of Android devices on the market, and we make an effort to support most of them and test our app on as many devices as possible. The AV1 app is compatible with Android 9.0 and newer.
The AV1 app is not compatible for use on computers.