The Home App is only on iOS at the moment - the Android app will be updated at a later date. The Home App is the primary way to control the Roaster and is free for everyone to use. This includes the updated roast editor - two new controls: Roast Degree and Development Time with up to 30 custom roast combinations. 

The device requirements are 

iOS 

iPhone

Requires iOS 13.0 or later.

iPad

Requires iPadOS 13.0 or later.

iPod touch

Requires iOS 13.0 or later.

Mac

Requires macOS 11.0 or later and a Mac with Apple M1 chip.

Android 

Requires Android

5.1 and up