This app will help you to come up with chords, to practice your instrument and to get to know the circle of fifths, even without knowledge of music theory!


Stuck for new ideas? You're not sure which chords will sound good together? This app will help you!

▶ Chords of a key are highlighted, they will sound great together, just combine them.
▶ Learn how chords are played on the piano or guitar!
▶ Export songs as MIDI file and use it in Ableton, Garage Band or any other DAW.
▶ Thirds? Fifths? Mixolydian??? Don't panic! You don't need to know or learn any music theory!


Practice and learn songs, chords, scales and get easy access to music theory!

▶ Compose songs or practice chord progressions. Check out the chord relations within the circle of 5ths.
▶ Check out how chords are played on your instrument with the expandable piano or guitar fretboard.
▶ Check out chords of popular songs, analyze and practice them.
▶ Practice scales in different keys and clefs. Basic scales are included — Unlock more than 80 scales if you are hungry for more!
▶ Playback scales and train your ear.
▶ Display the traditional circle of fifths with parallel minor chords.


▶ Display and playback 4-note chords in the circle of fifths. Have fun with modal interchange or customized chords! Check out chord statistics related to the currently active key.
▶ Use the app to teach your students the circle of 5ths and let them practice chord progressions and scales.


▶ Composing
Easily pick chords out of the circle of fifths. Create custom chords, change time signature (4/4, 3/4, 6/8, 7/8, 5/8), change the tempo (40-320bpm) and adjust the flexible song structure.
Once you've composed a song, you can quickly change the key to find the right one for you.

▶ A continuously growing list of popular songs
Check out what popular songs look like in the circle of fifths. Practice and analyze them, see directly which chords are off key.

▶ Piano & Guitar fretboard
Check out how chords and scales are played on the piano or guitar. Check out melodies or practice scales on the go with the interactive keyboard.

▶ Share & collaborate
Share song links with your friends, your teacher or band colleagues. Receivers can open and work on them in their Ultimate Circle Of Fifths app.

▶ MIDI export
Export songs as MIDI file and work with them in Ableton, Garage Band or any other digital audio workstation.

▶ Save songs
Save your favorite compositions on your device! Work on them later, share or export them as MIDI.

▶ Traditional circle of fifths
As the Ultimate Circle Of Fifths highlights the key in the "Songwriting" mode. You can also display the traditional circle of fifths with the parallel minor chords in the "Scales" mode of the app.

▶ Learn scales in any key.

Available modes/scales:

▻ Ionian (Natural major)
▻ Aeolian (Natural minor)
▻ As well as Dorian, Phrygian, Lydian, Mixolydian, and Locrian.

▻ more than 80 scales with the optional "Scales Pack" Add-on.

Different clefs:
▻ G clef
▻ F clef
▻ C clef

▶ Display Chords, roman numerals, and colors of your song

▶ Different playback sounds:

▻ Grand Piano
▻ Acoustic Guitar
▻ E-Piano
▻ Synth Pad

Practice, compose with our without a click. Adjust volume levels individually.

▶ App settings:

▻ Transposed playback for Bb or Eb instruments.
▻ Four color themes, including a color blind theme.
▻ Display minor chords in small letters.
▻ Display 4-note-chords.
▻ Display german note names (B will be H).

▶ Infos

▻ Chord symbols and chord structures are explained.

▶ No registration (account) needed!

Please have a look at the apps privacy policy before you download it.

What’s New

Version 2.1.1

This version contains a big update with a lot of new features and great design improvements.
The design was optimized for better readability and better usage. Bigger font sizes and more contrast all over the app as well as some new design patterns which will make composing and practicing much easier and more efficient.


New in 2.1.1:

▶ FINALLY! Two chords per bar! You can now split a bar and assign two individual chords with individual lengths. Either long press on a selected bar or tap on the "expand" icon next to the arrow navigation in the footer when you're in composition mode.

New in 2.1.0:

▶ Introducing a third, new "app mode" especially for scales.
▶ Undo and redo feature for changes on chords in the song.
▶ Arrow navigation when composing. When you tap in a bar to compose you will now remain in composition mode until you tap "Done". Skip to the next/previous bar with the arrows at the bottom of the screen. This will make composing much faster and more efficient!
▶ On/Off for repeating the whole song when playing it back.
▶ On/Off for auto-scrolling the song when playing it back.
▶ Highlight chords of your song with the appropriate color. You'll find this under the settings icon at the beginning of your song.
▶ Double tap on a chord (in a bar or the wheel) to edit it.
▶ Change the playback direction of the scale. Play the scale up, down or up and down.


▶ All song and scale related settings and actions are now located in an expandable bar at the bottom of the screen.
▶ Global actions and content like creating a new song, popular and saved songs, as well as the app settings and info are now located in a sidebar menu.
▶ Bigger font sizes, icons, and more contrast.
▶ New iPad landscape layout.


▶ Exported MIDI files do now have the correct note length when using a different time signature than 4/4.
▶ Performance optimization.

This update was tested a lot. If you still find some bugs, please report them to Thank you!

Have fun with this new app version!

Ratings and Reviews

4.8 out of 5
143 Ratings

143 Ratings

isy217 ,

I can’t get back to my song

I was making a song and then I went to popular songs and clicked on one and now I can’t get back to my song. But the app is really good

Developer Response ,

Hey, sorry for that! You need to save your song before opening a different one. I will think about displaying a warning before opening a new song! Thanks for the feedback!

Steve7326 ,

Excellent Music Tool but has some slight issues

The app is well thought out and useful but I can hear random static noises when playing chords and there is a bit of lag. Overall it’s not too big of an issue and the app does exactly what it claims to do. Had these issues not appeared, this would’ve been a 5/5.

Developer Response ,

Hi Steve7326, the app was rewritten from scratch! Sound problems are history 😊Check it out!

d1spo5ab13 ,

Whoever made this deserves a noble prize!!

Excellent tool for learning chords, scales and a handy song builder!! I’ve discovered my inspiration all over again learning basic chord progressions that fit and jamming scales over the top!

Developer Response ,

Very happy to hear your kind words! Keeps me motivated 😊 🙏


Christian Hengst
80.5 MB

Requires iOS 11.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
Rated 4+
© 2017 - 2019 Christian Hengst
In-App Purchases
  1. 80+ Scales $3.99


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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