Radicale vs Tuta Calendar
| Radicale | Tuta Calendar | |
|---|---|---|
| Free plan | Yes | |
| Paid from | €3/mo | |
| Platforms | Android | Android, iOS |
| Free plan | Yes | Yes |
| Shared calendars | Yes | Yes |
| Calendar sync | two_way | one_way |
| Mobile apps | android | ios and android |
Listed together in Best Calendar Apps