ActivityWatch vs Opal
| ActivityWatch | Opal | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | $8.29/mo |
| Open source | No | No |
| Platforms | Windows, macOS, Linux, Android | Android, iOS, macOS |
| Free plan | Yes | Yes |
Both are listed in Best Screen Time Management Apps. On Samsung Mobile US Press, Opal scores higher on our published basis.