This app is aimed at the musician who needs light-weight music performance note taking and already knows how to play all chords just by looking at their names. (For example: C9 or Abmin7)

- Allows maintaining all the songs that you play, and transpose their notes to different keys with just 1 button press.

- Transposing separates the Chords in the chord progression from the Lyrics or other notes, and only transposes the chords.

- Maintains all chord modifiers after transposing the chords in the progression. For example: An "A min/maj7add2" would become: "Ab min/maj7add2" if transposed a semitone down.

- Hundreds of chord types supported, and unlimited combinations of modifiers. Examples: 7, 9, add2, m, m7, maj7, min7b5, maj/min7, sus4, #5b9, 9/11, slash chords, etc.

- Change the font size so it's easier to see with your screen size.

- Supports iPhone and iPad on both orientations. iPads feature a master-detail layout: all on one screen.

- The "Add Chord" wizard contains all possible extensions which you can combine with the Key and the Chord Type.

I always want to know what you think, and what you would like to see in this composition app. Please use the Feedback feature in the app to tell me what you think, or email: any time!


What's New

Version 2.0

- The new Add Chord wizard allows selecting your chord options quickly. (Key, Type, and 2 optional extensions). The selected chords pops back into your notes at the current location.
- The new Share button quickly copies the entire Notes field to your Paste Board. Paste in any app to your friends.
- Tested against the latest iOS 11 version and on the iPhone X.
- You can now repeat the tutorials section, if you forget how to use the app.
- An overall face lift with usability improvements.
- Analytics data will help make improvements going forward.
- I really appreciate your feedback, please write for any reason, or just to say hello:


Alex Akimov
27.7 MB
Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© Alex Akimov


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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