OtoTheory vs Roland Chord Director
| OtoTheory | Roland Chord Director | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | iOS, Web | iOS, Android |
| Free plan | Yes | Yes |
| Paid from | 5.99 /mo | — |
| Reverse chord lookup | Yes | — |
| Progression generator | Yes | Yes |
| Voicing explorer | Yes | — |
| Supported instruments | guitar, bass, keyboard | — |
| Chord chart export | Yes | — |
| Mobile apps | ios | ios_and_android |
| Chord audio playback | Yes | — |
Both are listed in Best Chord Finder Software. On Samsung Mobile US Press, OtoTheory scores higher on our published basis.