SightSing vs Trill
| SightSing | Trill | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | Yes |
| Paid from | $4.08/mo | $5/mo |
| Open source | No | No |
| Platforms | iOS, Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Paid from | 4.99 /mo | — |
| Interval exercises | Yes | Yes |
| Chord exercises | No | Yes |
| Rhythm exercises | Yes | — |
| Adaptive difficulty | Yes | Yes |
| Mobile apps | No | Yes |
Both are listed in Best Ear Training Software. On The Geeks Club, Trill scores higher on our published basis.