Proton Mail - Secure email service
Secure your emails with end-to-end encryption. Privacy-first email for Americans.

- 4.9.0 Version
- 4.5 Score
- 4M+ Downloads
- In-app purchases License
- 3+ Content Rating
Introducing Proton Mail
Proton Mail is an encrypted email service from Switzerland. The Wall Street Journal praises it, saying it offers encrypted email that is highly secure. With the latest Proton Mail app, users can create encrypted email addresses, send and receive encrypted emails easily, manage multiple accounts, organize their inbox with folders and labels, receive notifications, send password-protected emails, and use dark mode.
Why choose Proton Mail?
- Free service available with the option to upgrade.
- User-friendly redesigned app for ease of use.
- Respect for user privacy without ads based on communication spying.
- Rigorous end-to-end encryption ensures privacy.
- Strong protection against phishing, spam, and tracking.
Security Features:
Messages are end-to-end encrypted and transmitted securely between servers and user devices, reducing the risk of interception.
Zero Access Architecture ensures data is encrypted in a way that even Proton Mail cannot access.
Open-source cryptography is used for maximum protection, including AES, RSA, and OpenPGP implementations. Proton Mail guarantees that there are no hidden back doors.
How to edit your mobile signature
1. Open the Proton Mail app and go to ≡ → More → Settings → Account settings → [your account name] → Addresses → Display name & signature.
2. Edit your mobile footer message or toggle the switch off to disable it.
You can also change or enable/disable your signature from this screen. Tap Save when you’re done.
Press Mentions:
Forbes: "Proton Mail uses end-to-end encryption, preventing outside monitoring."
Huffington Post: "Developed by a group from MIT at CERN, Proton Mail keeps sensitive information secure from prying eyes."
- Version4.9.0
- UpdateMar 29, 2025
- DeveloperProton AG
- CategoryCommunication
- Requires AndroidAndroid 9+
- Downloads4M+
- Package Namech.protonmail.android
- Signaturefc69f87d8e712bcab937691f20072faf
- Available on
- ReportFlag as inappropriate
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NameSizeDownload
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83.56 MB
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83.39 MB
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83.12 MB
Strong Privacy and Security
No Personal Information Required
Cross-Platform Availability
Email Delivery Delays
Less Integration