The TONALY app is also known as "Ultimate Circle Of Fifths". Read more...

Songwriting &
practice tool

Compose songs and practice scales with
the help of the interactive circle of fifths.

The app is available for iOS devices (iPhone, iPad, iPod) on the Apple App Store!
Get the TONALY App for iOS on the Apple AppStore


Don’t panic! It doesn’t matter if you don’t understand the theory behind the circle of fifths. The app will help you to come up with chords for your songs!

The TONALY App as Songwriting Tool

Practice tool

Get familiar with the circle of fifths, modes, practice progressions, scales and master your instrument.

The TONALY App as Practice Tool

App tutorials

Previews and tutorials of the app.

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Share, collaborate & export songs as MIDI

Share song links with your friends, your teacher or band colleagues. Export songs as MIDI file and work with them in Ableton, Garage Band or any other digital audio workstation.

The TONALY App as Songwriting Tool

This app was built
for every instrument & skill level

With the TONALY app, musicians, songwriters, and producers have a useful tool to compose music or practice theory with the help of the circle of fifths!

...this app is suitable for both: theoretically working musicians as well as for songwriters or producers who understand little of fifths and thirds...

Check out what YouTubers say about it

TONALY was formerly called "Ultimate Circle Of Fifths"

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