Proton Mail - Encrypted Email 4+
Fast, private & secure mail
- Offers In-App Purchases
Keep your conversations private. Proton Mail is encrypted email from Switzerland. Used by millions worldwide, our all-new email app protects your communications and has everything you need to easily manage your inbox.
The Wall Street Journal says:
“Proton Mail offers encrypted email, which makes it virtually impossible for anyone to read it except the sender and the recipient.”
With the all-new Proton Mail app, you can:
• Create a @proton.me or @protonmail.com email address
• Send and receive encrypted emails and attachments with ease
• Switch between multiple Proton Mail accounts
• Easily manage your email with conversations
• Keep your inbox tidy and clean with folders, labels and simple swipe-gestures
• Receive new email notifications
• Send Password-protected Emails to anyone
• Enjoy your inbox in dark mode
Why use Proton Mail?
• Proton Mail is free — We believe everyone deserves privacy. Upgrade to a paid plan to get more done and support our mission.
• Easy to use — Our all-new app has been redesigned to make it easier to read, organize, and write your emails.
• Your inbox is yours — We don’t spy on your communications to show you targeted ads. Your inbox, your rules.
• Rigorous encryption — Your entire inbox is secured, on all your devices. No one can read your emails but you. Proton is privacy, guaranteed by end-to-end and zero-access encryption.
• Unmatched protection — We offer strong phishing, spam, and spying/tracking protection for all your communications.
Industry Leading Security Features
Messages are stored on Proton Mail servers using end-to-end encryption at all times and are transmitted securely between Proton servers and user devices. This largely eliminates the risk of message interception.
Zero Access to Your Email Content
Proton Mail's zero access architecture means that your data is encrypted in a way that makes it inaccessible to us. Data is encrypted on the client side using an encryption key that Proton does not have access to. This means we don't have the technical ability to decrypt your messages.
Proton Mail's open-source software has been thoroughly vetted by security experts from around the world to ensure the highest levels of protection. Proton Mail only uses secure implementations of AES, RSA, along with OpenPGP, while all of the cryptographic libraries used are open source. By using open-source libraries, Proton Mail can guarantee that the encryption algorithms used do not have clandestinely built-in back doors.
Proton Mail in the press:
“Proton Mail is a Gmail-like email system which uses end-to-end encryption, making it impossible for outside parties to monitor.” Forbes
“A new email service being developed by a group who met at MIT and CERN promises to bring secure, encrypted email to the masses and keep sensitive information away from prying eyes.” Huffington Post
Follow Proton on social media for all the latest news and offers:
For more information, visit: https://proton.me/mail
Our open-source code base: https://github.com/ProtonMail
- Toolbar customization: we now allow you to customize the actions available at the bottom of the screen when selecting messages from the list, and when reading a message.
- Dark mode: we improved the rendering of message bodies when dark mode is enabled.
- Fixed an issue where a swipe action would sometimes apply to the wrong message.
- Multiple small bugs have been fixed.
Ratings and Reviews
In the end encryption is vital to our basic human rights
Isn’t combat reaching everyone of us to utilize some form of end and encryption in our communications very much like governments due. When companies begin to read and index emails easily because of the PGP protocols it makes hacking seamless for nefarious actors as well as governments looking to monitor individual citizens in order to target. Therefore proton mail offers an excellent source I’ll be at a pricey cost. It is important to note that another email provider Nonnas to do note provides even more robust encryption as the email address and your subject line are encrypted. They are free service offers similar options as proton mail but far less expensive cost. They are also in the EU with much more stringent privacy standards. Neither one of these platforms are subject to US search warrants. But note it is far more important to encrypt your email address so that you can’t be targeted in the subject line is an equally important tap task to be encrypted. The downside is the GUI is poor very poor. Proton mail offers a nice GY that integrates with the devices very nicely. All in all when comparing email platforms the only other platform I’ve seen that measures up to these two is start Mail.
Developer Response ,
Thank you for the 4-star review and support! We always appreciate our community's input. If you have any suggestions on what we can do to improve and earn a 5-star rating, feel free to contact us at https://proton.me/support/contact to let us know.
Protonmail the service, is great. Protonmail the app, not so much.
The Protonmail service it self is mostly good. However this app has severe usability problems. I'm writing this as someone who's trying to move away from Gmail towards something more privacy focused. And the Protonmail service is indeed great in that respect. But I wish the developers would try to take some UI/UX lessons from Apple Mail and Gmail. For example, archiving multiple messages is unnecessarily difficult. After selecting one or more messages, the user has to select the Move To Folder option, then touch the Archive folder, then touch Done. In Gmail, archive is a top-level option the user can touch immediately after selecting one or more messages. Am I just completely out of touch to expect that archiving a message is a common action? More common than deleting, tagging or marking as read/unread? Another annoyance is the unreliable behavior when responding to notifications. One would expect that when notified of a new message from the iOS notification tray, the user would be directed to that new message after touching the notification. This happens about 50% of the time. The other half of the time you're often stuck in a loading screen. I've simply started to work around the problem by dismissing the notification, and then manually launching the Protonmail app to find and view the new message. It boggles the mind that what should be a critical user path should be so buggy.
Developer Response ,
Thank you for sharing your feedback with us! We have forwarded it to our team internally, so it can be taken into further consideration. In the meantime, we can suggest using the 'Swipe to archive' feature.
Regarding your report about opening a message from a notification, can you advise us if perhaps you have FaceID enabled? If that is the case, try switching it off to see if this will make a difference.
I’ve been using the app off and on since August 2021, but not as my primary. Then one day out of the blue it logged me out and said “Your session has expired because you have been inactive for awhile or because it has been revoked”. Great. I tried my password, but it no longer works, I guess they erased it with their recent update and or reset it? I do not have MFA or another security email associated with it. When I reached out to them for help they asked me many questions and I answered to the best of my ability. One of which was what was in my sent folder, I told them and another was what time I last logged into the app. Very odd questions, I have no clue the last time I logged into the app, I would not have the precise time and further more I don’t logon into it, I just touch the app! They refused to help me. They stated, “We regret to inform you that the answers you provided were insufficient to validate your account ownership”. I get it, it’s a security thing and in some ways my fault for not setting up more security measures, but I’ve given them a lot of details, what’s in my inbox, deleted and sent folder, also when I downloaded the app for the first time. Still nothing, with no way to help me. Now I have to change my email on a lot of my accounts yet again which you can see in my email box that they asked about. One of which, Dominos I won’t be able to, goodbye to my points for a free pizza and good bye Proton unless you can assist a hungry man out.
Developer Response ,
We are sincerely sorry for the inconvenience this might have caused you. Please note that we have certain security procedures when it comes to account recovery. We need precise answers to the security questions so we can confirm the ownership of the account. Please try to provide the correct answers in the support request so we can help you regain access to your account.
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Privacy practices may vary, for example, based on the features you use or your age. Learn More
- Proton AG
- 232.8 MB
- Requires iOS 11.0 or later.
- Requires iPadOS 11.0 or later.
- iPod touch
- Requires iOS 11.0 or later.
English, Belarusian, Catalan, Croatian, Czech, Danish, Dutch, French, German, Greek, Hungarian, Icelandic, Indonesian, Italian, Japanese, Kabyle, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
- Age Rating
- © Proton AG
- In-App Purchases
- Mail Plus (1 year) $59.99
- Proton Unlimited $149.99
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