Proton Mail: Encrypted Email

In-app purchases
97K reviews
Content rating
Rated for 3+
10M+
Downloads
Content rating
Rated for 3+
Learn more
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About this app

Proton Mail is the encrypted email app trusted by over 100 million people. Get a secure, private email address protected by end-to-end encryption, with no ads, no AI training and no inbox scanning. Based in Switzerland and protected by some of the world's strictest privacy laws. Your inbox, your rules.

Why choose Proton Mail for secure email
✔ Free encrypted email: create a free @proton.me or @protonmail.com email address
✔ Password-protected emails: send encrypted emails to anyone, even people who don't use Proton
✔ Spam, phishing and tracker protection: with built-in spam filters, phishing alerts and email tracker blocking
✔ Organize your inbox: with folders, labels and simple swipe gestures
✔ Offline mode: read, write and organize emails offline, and everything syncs when you're back online
✔ Private categories: keep important emails in focus with automatic, private categories
✔ Multiple accounts: switch between multiple Proton Mail accounts in one secure email app
✔ Get up to 1 GB of free email storage, or up to 15 GB with Mail Plus

🔒 Secure email with encryption
Everything in your inbox is stored with zero-access and end-to-end encryption, emails between Proton users can only be read by you and your recipient. Proton Mail can't read or scan your messages. Our open-source apps use OpenPGP encryption and are independently audited.

🎭 A private alternative to temp mail
Need a temp mail address for a sign-up? Create up to 10 free hide-my-email aliases on the web. They forward to your inbox, keep your real email address private, and can be disabled or deleted at any time.

🔄 Switch to secure email
Easy Switch moves your email to your new secure inbox with no manual exporting or importing. Connect Gmail to use your Gmail address alongside your Proton email in one secure inbox, or set up auto-forwarding from as many Gmail accounts as you like.

The Wall Street Journal: "Proton Mail offers encrypted email, which makes it virtually impossible for anyone to read it except the sender and the recipient."

💜 How can Proton Mail be free?
We believe everyone deserves private email. Free accounts are funded by our community of paid subscribers. Upgrade for more email storage, more addresses and custom domains.

Follow Proton for the latest news and offers:
Facebook: /proton
X: @protonprivacy
Reddit: /protonmail
Instagram: /protonprivacy

Learn more: https://proton.me/mail
Our open-source code: https://github.com/ProtonMail
Secure & private email app. Encrypted inbox, spam filter and email aliases.
Updated on
Nov 10, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Contacts and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

93.1K reviews
Jeffrey Rocchio
February 17, 2025
Trying to make the transition from Gmail. In this process I've discovered how important being able to apply formatting to the body of my email text is. This app does not permit it and it's driving me a bit crazy. It is otherwise pretty close to the Gmail app in terms of its other features as far as I can tell so far.
110 people found this review helpful
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Proton AG
February 18, 2025
Thank you for your feedback and review! We'll forward your request for supporting formatting options in the app to the team, to help prioritize future improvements.
Spencer
August 21, 2026
Unread filter blocks my content. You should have put it at the top in the blank space already available. Why did you move the To: field before From:? It is not industry standard. Placing initials on the left side of every email is extra clutter like Gmail, distracting from content. By displaying all the company logos there, you're giving them free advertising in my inbox and yet another way into my life. The lines between emails are gone, making it harder on the eyes. Stop copying stupid Gmail.
153 people found this review helpful
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Proton AG
October 30, 2025
We’re sorry to hear you’re unhappy with the new design. We appreciate your detailed feedback on spacing, icons, and customization — it’s valuable and helps guide future improvements.
Jer V
September 9, 2026
onboarding loop is broken to open a new email, always sends you to plan upgrade and app opening, impossible to simply get to open new email account! other than that, great.
2 people found this review helpful
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What’s new

Multiple fixes and performance improvements.