Fastmail Masked Email vs Proton Calendar
| Fastmail Masked Email | Proton Calendar | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | |
| Paid from | $4/mo | Free |
| Platforms | Android, api, iOS, Linux, macOS, Web, Windows | Android, iOS |
| Free plan | No | Yes |
| Shared calendars | Yes | Yes |
| Calendar sync | two_way | one_way |
| Mobile apps | ios and android | ios and android |
| Paid from | 4 /user/mo | |
| Storage per mailbox | 5 GB | |
| Email aliases | 600 aliases | |
| Attachment limit | 50 MB | |
| IMAP/POP support | Yes | |
| Mobile app access | native | |
| Calendar included | Yes | |
| Migration tools | Yes | |
| Mailbox storage | 5 GB | |
| Scheduling links | Yes | |
| Video meeting support | Yes |
Listed together in Best Calendar Apps