Sight Singing Pro vs Trill
| Sight Singing Pro | Trill | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $5/mo |
| Open source | No | No |
| Platforms | Windows, macOS, iOS, Android | Android, iOS, Web |
| Free plan | Yes | Yes |
| Paid from | 8.99 /mo | — |
| Adaptive difficulty | Yes | Yes |
| Mobile apps | Yes | Yes |
| Interval exercises | — | Yes |
| Chord exercises | — | Yes |
Both are listed in Best Ear Training Software. On The Geeks Club, Trill scores higher on our published basis.