Pricing
Proton Calendar pricing
As proton.me lists them, read 28 Sept 2026. The maker's own page has the final word.
| Plan | Billed and limits | Price |
|---|---|---|
| Free | billed monthly · 3 calendars | Free |
| Mail Plus | 25 calendars · 1 user | On request |
| Unlimited | 25 calendars · 1 user | On request |
| Paid | — | On request |