Archived App (Last seen on 2 Jun 2026)
This is an archived listing of the app previously available on the App Store.
This interactive music theory tool helps musicians visualize song structure and chord progressions. It reveals relationships between keys, chords, and scales for various instruments, aiding in songwriting and musical exploration.
Summarized from real user reviews of Jamn Multi. Based on 34 reviews and a 3.4/5 average, it highlights the 6 positives and 5 negatives reviewers mention most about this Music app.
3.2.8
January 24, 2019
Updated iOS12 SDK Supported new devices screen sizes Fixed a crash when using tuner
More$1.99
Pro-Scales Starter Pack
Upgrade includes - Two rock scales - Six blues scales - Four jazz scales - Three exotic scales (Spanish, Chinese, Japanese)
More4 issues
Incorrect chord sounds (e.g. E major playing E minor)
Unresponsive interface, menu buttons not working
5 requests
Add support for minor keys and scales
Extend fretboard display to 12th fret
The Jamn Multi-tool is an interactive reference app designed to help musicians visualize music theory. It reveals the relationships between keys, chords, and scales for instruments like guitar, bass, ukulele, and piano, aiding in songwriting and understanding song structure.
Key features include the revolutionary Jamn Wheel for visualizing musical relationships, a massive chords library, in-key chords and scales with audio playback, a built-in tuner for guitar, bass, and ukulele, and various scale options like Pentatonic and Blues.
Yes, the app is free to use. The description explicitly states that there are no in-app purchases and all features are available to the user without additional cost.
The app provides chord and scale information for guitar (both electric and acoustic), bass, ukulele, and piano. It also includes a built-in tuner for guitar, bass, and ukulele.
This app is ideal for musicians with basic music theory knowledge, including casual players, music lovers, artists, and instrumentalists like guitarists, bassists, pianists, and ukulele players. It's also useful for bands and songwriters looking to explore musical ideas.
