ChordDeck vs Open—Shape
| ChordDeck | Open—Shape | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, iOS | Web, iOS |
| Free plan | Yes | Yes |
| Paid from | 2.99 /mo | — |
| Progression generator | Yes | Yes |
| Supported instruments | guitar | guitar |
| Mobile apps | ios | ios |
| Voicing explorer | — | Yes |
| Chord audio playback | — | Yes |
Both are listed in Best Chord Finder Software. On Samsung Mobile US Press, ChordDeck scores higher on our published basis.