Sync contacts, calendars, and notes with native mobile apps
To sync with your cell phone and email - iphone calendar, contacts, and notes.

ProtonMail offers encrypted contacts for both web and mobile applications (https://protonmail.com/blog/encrypted-contacts-manager/). Calendar and note functionality will be released in the future.
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Filip M. Nowak commented
what I would appreciate is more transparency in your roadmap and progress on the features you are working on already!
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Jonas commented
I was going to migrate from GMail to Protonmail, but found out that there is no calendar! Reading those comments I can see that there is a calendar coming in 2019, so I'll wait.
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Simon commented
I just bought a 2 year plan but didn't realize there's no calendar.. I can't use this now, calendar is 50% of what I use Gmail for :( back to Gmail I guess.. 50$ down the drain..
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Anonymous commented
We want to be able to sync our contacts to our phones and email clients.
Same will be with the Calendar and Notes features when they are released.
The contacts feature is nice but I don't use it since it doesn't sync to my phone or my pc.
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Anonymous commented
"ProtonMail offers encrypted contacts for both web and mobile applications" .....-_-
This is not what their asking for. We need a way to sync our phone contacts not just email contacts. I.E if you go to the phone or contacts app. you would see your proton mail contacts that have phone numbers attached to them. -
nftw commented
I want to beta test Proton Calendar. Sign me up!
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Anonymous commented
I use your service and have suggested it to over 20 people in the last year, I have recently become aware that I am not allowed sign up to without giving my telephone, not email, now I can not and refuse to sign up with a phone. If you refuses to provide me this method I will not use your service again and will advise people against it.
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ms commented
> Any vague-ish timeline for calendars?
From protonmail's twitter account, as @ reply an hour ago:
"Not sooner than 2019. We don't have a fixed ETA at the moment. It's a complex project, but it's under development."
(Calendar votes: https://protonmail.uservoice.com/forums/284483-feedback/suggestions/7187339-calendar-integration)
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isolatedvirus commented
The only thing holding me back from completely dropping google and going visionary with protonmail:
-Contact sync to device
-CalendarNice to haves:
-Notes / Document sharing
-Yubikey integration (Not OTP)
-Password Manager -
Olivier commented
I switched to ProtonMail but didn't realize how problematic it is not to have a calendar. It seems this has been promised but undelivered for years so I might have to move to Office 365 or back to Google G Suite, which is not ideal.
Any vague-ish timeline for calendars?
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. commented
i will switch to proton mail when a good and secure calendar will be available ..must look good to :P
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Guillaume commented
Hello, do you have any idea of when an agenda would be provided by Proton ?
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Anonymous commented
Ideally calendar would sync to Google Calendar. I think the only secure way to do this would be allowing Proton Calendar to post a shareable URL to Google Calendar. Obviously any items shared would not be secure but it would be convenient. Allowing the reverse would also be nice to any items posted in Google Calendar show up in Google Calendar. Obviously the dream is to do away with Gmail completely but I think there would need to be an between step.
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Jonas commented
When you release Calendar I will go Visionary. Calender with iCal subscriptions is the only thing holding me back.
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Dan commented
I will add, a *quality* calendar that works well and looks good doing it. Something I can use with my wife and daughters, in the same way we currently use the Google Calendars. Thanks!
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Dan commented
I will gladly make the switch once a quality calendar feature is added AND an "undo send" function. :)
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Anonymous commented
I agree with Ross: a searchable calendar would be perfect. Do you have a date to announce yet?
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Anonymous commented
I promise to leave Gmail for good if you provide a calendar!!!!!!!!!!
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CJK commented
I don't understand why Protonmail doesn't have an integrated calendar like other email services. Disappointing!
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Anonymous commented
The day ProtonMail offers a Calendar is the day I leave Google for good.