Best apps like OtoTheory - Chord Progression

7+ similar apps compared and reviewed

4.9 avg rating
7 free apps
Updated September 2026

Looking for something like OtoTheory? We've analyzed 7+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to OtoTheory

Chord Memo#2

Chord Memo by Kiichi Ito

Playable chord memo app
Strong Contender
🎵 Music
5.0(3 ratings)
Free
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Compose and arrange music by writing and playing back chords. Practice singing or instruments like guitar and piano with this tool. It offers features for fine-tuning timing, exporting to MIDI, and changing instruments.