Emeritus vs Zerra
| Emeritus | Zerra | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web, iOS, Android | Web |
| Free plan | Yes | Yes |
| Subscription access | Yes | — |
| Mobile apps | both | — |
| Offline access | No | — |
| Course certificates | Yes | Yes |
| Business plans | Yes | Yes |
| Course formats | mixed | video |
Both are listed in Best Online Course Marketplaces. On Everything Xiaomi, Emeritus scores higher on our published basis.