Perfect Ear vs Trill
| Perfect Ear | Trill | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | Free | $5/mo |
| Open source | No | No |
| Platforms | Android, iOS, macOS | Android, iOS, Web |
| Free plan | Yes | Yes |
| Interval exercises | Yes | Yes |
| Chord exercises | Yes | Yes |
| Rhythm exercises | Yes | — |
| Mobile apps | Yes | Yes |
| Adaptive difficulty | — | Yes |
Both are listed in Best Ear Training Software. On The Geeks Club, Trill scores higher on our published basis.