You can learn with flowkey on a number of different devices. For an overview of all compatible devices, look at the list below.
The following devices are compatible with flowkey:
Computers and laptops (PCs, Macs, and Chromebooks/Pixelbooks)
iPads (from 2013 on) with at least iOS 10
iPhones (from 2014 on) with at least iOS 10
Android smartphones with Android 7 (The device also needs to have "USB host" support)
Android tablets with Android 7 (The device also needs to have "USB host" support)
Windows tablets with at least Edge browser 80 or with the latest Chrome browser