Proton Calendar

Proton Calendar

Proton AG
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About

Multical has one job: end double bookings for portfolio careerists, fractionals, multi-hyphenates, and consultants. With Multical you can effortlessly sync, see, and schedule across all your Google, Outlook, and Apple calendars. Made by a portfolio careerist for people who don't fit into one calendar.

About

Your calendar is a record of your life. Proton Calendar helps keep it private. Proton Calendar automatically secures all your events with end-to-end encryption. Events received from people who use other calendars are secured with zero-knowledge encryption. In both cases, event details, including the title, description, location, and people invited, are encrypted so not even we can see them. Proton Calendar makes staying on top of your schedule simple while keeping your information secure. Proton Calendar was built by the team behind Proton Mail, the world’s largest encrypted email service. Over 50 million people and some of the world’s largest organizations have signed up with Proton. Proton Calendar comes with a Proton Mail email address that you can use to securely send event invites. You can also add events to Proton Calendar directly from your Proton Mail inbox.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Supported
Chromebook Not Supported

Audience

Freelancers, consultants, fractional executives

Audience

Users that want an efficient, private, and secure calendar app

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$5/month
Free Version Not Supported
Free Trial Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 4.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • - Fully integrated into Proton ecosystem - Same benefits as the other mass market calendars - Secure and privacy first

Cons

  • - Not yet fully integrated as Android's defaults calendar - Doesn't always recognise the exact addresses - No automated sync with Proton Mail (they don't read your email)

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Multical
Founded: 2026
United States
www.usemultical.com

Company Information

Proton AG
Founded: 2014
Switzerland
proton.me/calendar

Alternatives

Alternatives

Proton Mail

Proton Mail

Proton AG
Proton Meet

Proton Meet

Proton
SYNCDATE

SYNCDATE

DUMA DIGITAL SOLUTIONS S.R.L.
Proton Pass

Proton Pass

Proton AG
Proton Wallet

Proton Wallet

Proton AG

Categories

Calendar Supported

Categories

Calendar Supported
Productivity Supported

Integrations

Apple Calendar Supported
Google Calendar Supported
Microsoft Outlook Supported
Proton Mail Not Supported

Integrations

Apple Calendar Not Supported
Google Calendar Not Supported
Microsoft Outlook Not Supported
Proton Mail Supported
Claim Multical and update features and information
Claim Multical and update features and information
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Claim Proton Calendar and update features and information