Microsoft Outlook Calendar vs Proton Calendar
| Microsoft Outlook Calendar | Proton Calendar | |
|---|---|---|
| Free plan | Yes | Yes |
| Paid from | $1.67/mo | Free |
| Platforms | Android, iOS, macOS, Web | Android, iOS |
| Free plan | Yes | Yes |
| Paid from | $9.99/user/mo | |
| Shared calendars | Yes | Yes |
| Calendar sync | one_way | one_way |
| Mobile apps | ios and android | ios and android |
| Video meeting support | Yes | Yes |
| App coverage | Outlook email and calendar on web, desktop, and mobile apps | |
| Scheduling links | Yes |
Listed together in Best Calendar Apps