You can use the bike with any smartphone that is compatible with our app.
On iOS, our latest app requires an iPhone SE (Gen 2) or newer and supports all the OS versions as of iOS 15. A former app version is still supported by iPhone 5S and up and OS versions from iOS 11.
On Android, our latest app supports all OS versions from Oreo 8.0.
If you want to use the wireless charging option available with the Cowboy 4, you will need a smartphone that is compatible with Qi wireless charging. You can find a list of phones that have wireless charging here.