Free
Free
Essential Proton Calendar features are available with a free Proton account.
3 calendars
Checked 28 Sep 2026
Plans and prices
Proton Calendar pricing
Mail Plus
Not listed
25 calendars · 1 user
Checked 20 Sep 2026
Unlimited
Not listed
25 calendars · 1 user
Checked 20 Sep 2026
Paid
Priced on request
Paid Proton Mail subscribers get additional calendar features.
Checked 28 Sep 2026