ChordProgressions.org vs ChordU
| ChordProgressions.org | ChordU | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $4.17/mo |
| Open source | No | No |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Reverse chord lookup | Yes | — |
| Progression generator | Yes | Yes |
| Voicing explorer | Yes | Yes |
| Supported instruments | guitar, piano | guitar, piano, ukulele, mandolin |
| Chord chart export | Yes | Yes |
| Chord audio playback | Yes | Yes |
| Mobile apps | — | ios_and_android |
Both are listed in Best Chord Finder Software. On Samsung Mobile US Press, ChordU scores higher on our published basis.