Princeton Online vs Prometheus
| Princeton Online | Prometheus | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| 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 |
Both are listed in Best MOOC Platforms. On Inferse, Prometheus scores higher on our published basis.