Helium vs Sylly
| Helium | Sylly | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, api, iOS, self-hosted, Web | Web, iOS |
| Free plan | Yes | Yes |
| Assignment tracking | Yes | Yes |
| Exam planning | Yes | Yes |
| Recurring study sessions | Yes | — |
| Calendar sync | Yes | Yes |
| Available platforms | web, ios, android, api | web, ios |
| Revision scheduling | — | Yes |
Both are listed in Best Study Planner Apps. On The Geeks Club, Helium scores higher on our published basis.