Proton Mail - Encrypted Email

4.2
43.2K reviews
5M+
Downloads
Content rating
Everyone
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About this app

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
• 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 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.

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.

Open-Source Cryptography
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 from MIT that met at 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:
Facebook: /ProtonMail
Twitter: @ProtonMail
Reddit: /ProtonMail
Instagram: /ProtonMail

For more information, visit: https://proton.me
Our open-source code base: https://github.com/ProtonMail
Updated on
May 10, 2022

Data safety

Developers can show information here about how their app collects and uses your data. Learn more about data safety
No information available
4.2
43.2K reviews
Rue Moe
May 16, 2022
I've been using ProtonMail since 5/12/21. I like the option to tag emails but if you have multiple emails, one has to be patient setting it up. Sometimes it's annoying to use. Refreshing needs to be done manually just to delete read emails. The same goes with trash deletion. Sometimes I get lagging emails notifications when I use my credit card to make purchases. I thought of going back to the free version but I'm willing to give ProtonMail more time to see what improvements come out.
22 people found this review helpful
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Proton AG
May 16, 2022
Thank you for your feedback. We've shared your suggestions with the relevant team. Regarding the other issues you mentioned, could you please clear the app cache, log out then log back into the app and reboot your device to see if that helps? If the issue persists, please contact us at https://protonmail.com/support-form so we can help you.
Jeff Alan
May 10, 2022
Lacks standard features of email in the 2020s. Without the ability to resize image attachments within the app, as is standard in literally every other email client, it's basically useless for attaching images, which is something I would do in 90 percent of emails sent. This has been implemented for 15 years in other clients. This lack of a basic most obvious feature prevents me from seriously using protonmail.
16 people found this review helpful
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Proton AG
May 10, 2022
Thank you for the feedback - we've shared it with our team. We've received this feature request before and we've added your vote to it as well. However, we cannot provide you with a specific timeframe on when this might get implemented. If you have any other suggestions, feel free to contact us at https://protonmail.com/support-form to let us know.
James Wagner
April 24, 2022
I absolutely love protonmail. The service is thorough, valuable, effective, and their free plan is actually incredibly robust. The Android app, however is a bit too simple. I would love to simply navigate emails by swiping left and right and have a bit more of an aesthetic design. Maybe a couple of features as well. Just checking mail with virtually no interface feels more like the 90s again. Love the service though.
73 people found this review helpful
Did you find this helpful?
Proton AG
April 26, 2022
Thank you for your support and your honest feedback! We've recently released the redesigned version of the ProtonMail Android app to beta, with a new look and updated UI. You can become a beta tester through our app page on the PlayStore, and see if the new app fits your expectations. We'll share your suggestion with the relevant team.

What's new

What's new:
* General stability improvements.