Metrum vs Spaced Repetition Tracker
| Metrum | Spaced Repetition Tracker | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $3.33/mo | $2.50/mo |
| Open source | No | No |
| Platforms | iOS, Web | iOS, macOS |
| Free plan | Yes | Yes |
| Paid from | 4.99 /mo | — |
| Platform support | cross-platform | mobile |
| Recurring schedules | — | Yes |
| Reminder types | — | custom |
| Calendar sync | — | Yes |
Both are listed in Best Routine Planner Apps. On Samsung Mobile US Press, Spaced Repetition Tracker scores higher on our published basis.