99math vs Sumdog
| 99math | Sumdog | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | $8.99/mo |
| Open source | No | No |
| Platforms | Android, iOS, Web | Android, iOS, Web |
| Free plan | Yes | No |
| Adaptive learning | Yes | Yes |
| Gamified practice | Yes | Yes |
| Parent reporting | Yes | Yes |
| Supported platforms | web, ios, android | web, ios, android |
| Learner level | elementary | elementary |
| Paid from | — | $8.99/mo |
Both are listed in Best Math Learning Apps. On Freedom251, 99math scores higher on our published basis.