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Download Proton Mail: Encrypted Email 1.15.3 APK
Target: Android 12 (API 31)
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About Proton Mail: Encrypted Email 1.15.3
The Swiss-based ProtonMail secure email app combines state of the art security features with end-to-end encryption while being intuitive and easy to use. Used by millions worldwide, the ProtonMail app respects your privacy.
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The Wall Street Journal says:
“ProtonMail offers encrypted email, which makes it virtually impossible for anyone to read it except the sender and the recipient.”
With the ProtonMail app, you can:
• Create a new protonmail.com email address
• Send and receive encrypted emails and attachments with ease
• Switch between multiple ProtonMail accounts
• Keep your inbox tidy and clean with folders, labels and simple swipe-gestures
• Receive new email notifications
• Send password protected encrypted emails to non-ProtonMail email addresses
Why use ProtonMail?
• ProtonMail is free: we believe everyone deserves privacy. To get more done and support our mission, you can upgrade to a paid plan.
• Automatic ‘easy-to-use’ end-to-end encryption that is invisible to the user
• Zero-access encryption meaning not even Proton can read your emails
• Open-source encryption that allows inspection by security experts from around the world
• ProtonMail is hosted entirely in Switzerland, under the protection of the world's strongest privacy laws
Industry Leading Security Features
Messages are stored on ProtonMail 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
ProtonMail'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
ProtonMail's open-source software has been thoroughly vetted by security experts from around the world to ensure the highest levels of protection. ProtonMail 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, ProtonMail can guarantee that the encryption algorithms used do not have clandestinely built-in back doors.
ProtonMail in the press:
“ProtonMail 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 and CERN promises to bring secure, encrypted email to the masses and keep sensitive information away from prying eyes.” Huffington Post
Follow ProtonMail on social for all the latest news and offers:
Facebook: /protonmail
Twitter: @protonmail
Reddit: /protonmail
Instagram: /protonmail
For more information, visit: protonmail.com
Our open-source code base: github.com/ProtonMail
Proton Mail: Encrypted Email 1.15.3 variants
This release may come in several variants. Consult our handy FAQ to see which download is right for you.
Version:3.0.17(939) for Android 6.0+ (Marshmallow, API 23)
Uploaded:October 5, 2023 at 6:27PM UTC
File size:76.38 MB
Downloads:2,359
Version:3.0.16(938) for Android 6.0+ (Marshmallow, API 23)
Uploaded:July 26, 2023 at 2:56PM UTC
File size:76.32 MB
Downloads:1,604
Version:3.0.15(937) for Android 6.0+ (Marshmallow, API 23)
Uploaded:May 18, 2023 at 2:45PM UTC
File size:76.32 MB
Downloads:1,097
Version:3.0.14(936) for Android 6.0+ (Marshmallow, API 23)
Uploaded:April 24, 2023 at 7:15PM UTC
File size:76.04 MB
Downloads:507
Version:3.0.13(934) for Android 6.0+ (Marshmallow, API 23)
Uploaded:March 8, 2023 at 2:39PM UTC
File size:47.43 MB
Downloads:745
Version:3.0.12(933) for Android 6.0+ (Marshmallow, API 23)
Uploaded:February 23, 2023 at 6:17AM UTC
File size:47.31 MB
Downloads:347
Version:3.0.11(927) for Android 6.0+ (Marshmallow, API 23)
Uploaded:December 31, 2022 at 1:30AM UTC
File size:46.73 MB
Downloads:798
Version:3.0.10(924) for Android 6.0+ (Marshmallow, API 23)
Uploaded:December 8, 2022 at 2:20AM UTC
File size:45.10 MB
Downloads:458
Version:3.0.9(923) for Android 6.0+ (Marshmallow, API 23)
Uploaded:November 2, 2022 at 6:40PM UTC
File size:45.10 MB
Downloads:564
Version:3.0.7(919) for Android 6.0+ (Marshmallow, API 23)
Uploaded:October 21, 2022 at 7:18AM UTC
File size:44.56 MB
Downloads:467
Version:7.11.4
Uploaded:August 21, 2026 at 11:57AM UTC
File size:158.38 MB
Downloads:443
Version:7.11.3
Uploaded:August 20, 2026 at 3:17PM UTC
File size:158.38 MB
Downloads:67
Version:7.11.2
Uploaded:August 20, 2026 at 10:32AM UTC
File size:158.36 MB
Downloads:40
Version:7.11.1
Uploaded:August 17, 2026 at 9:24AM UTC
File size:146.08 MB
Downloads:161
Version:7.11.0
Uploaded:August 13, 2026 at 2:03PM UTC
File size:145.71 MB
Downloads:767
Version:7.10.3
Uploaded:July 15, 2026 at 7:53AM UTC
File size:134.31 MB
Downloads:612
Version:7.10.4
Uploaded:July 15, 2026 at 1:37AM UTC
File size:134.31 MB
Downloads:876
Version:7.10.2
Uploaded:July 15, 2026 at 1:37AM UTC
File size:134.45 MB
Downloads:12
Version:7.10.0
Uploaded:June 12, 2026 at 1:58PM UTC
File size:136.87 MB
Downloads:828
Version:7.9.9
Uploaded:May 29, 2026 at 4:15PM UTC
File size:133.72 MB
Downloads:483
