Archived App (Last seen on 6 Jul 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
As a musician, to become a master in all 12 keys, you need to practice your fluency. This app will help you work on your scales and modes. There is also a fun timed challenge.
What's New in Twelve keys
1.0.4
November 28, 2022
Minor bugs fix.
