Principia vs Times Tables Rock Stars
| Principia | Times Tables Rock Stars | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | |
| Paid from | $4.17/mo | £0.25/mo |
| Platforms | Android, iOS, macOS | Web |
| Free plan | Yes | No |
| Paid from | $6.99/mo | |
| Guided lessons | Yes | |
| Supported platforms | ios, macos | web, app |
| Adaptive learning | Yes | |
| Gamified practice | Yes | |
| Parent reporting | Yes | |
| Learner level | elementary |
Listed together in Best Maths Learning Apps