OER Project vs Pliny
| OER Project | Pliny | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Web | Android, iOS |
| Free plan | Yes | Yes |
| Lesson style | mixed | reading |
| Quizzes and review | Yes | Yes |
| Progress tracking | — | Yes |
| Available platforms | — | ios, android |
Both are listed in Best History Learning Apps. On Samsung Mobile US Press, Pliny scores higher on our published basis.