Princeton Online vs Prometheus
| Princeton Online | Prometheus | |
|---|---|---|
| Free plan | Yes | |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Completion certificates | No | Yes |
| Degree programs | No | No |
| Course access model | mixed | |
| Enterprise plans | Yes | |
| Mobile apps | Yes |
Listed together in Best MOOC Platforms