With backup and sync, Stingle Photos offers a gallery and camera app; its page says photos and videos are encrypted before storage.
Proton Mail
Available on web, iOS, Android, and desktop, Proton Mail is an encrypted email service that offers free accounts.
About Proton Mail
Proton Mail is an encrypted email service based in Switzerland. It suits people who want secure, private email by default. Zero-access encryption means the provider cannot see what is in the inbox. Apps are offered for the web and several desktop and mobile systems, and a Gmail address can be used to send and receive without leaving Proton.
Key features
- Zero-access encryption for mailbox contents
- One-click import of messages, calendars and contacts
- Tracker blocking in the inbox
- PhishGuard detection for phishing emails
- Inbox categories and subscription management
- Hide-my-email aliases
- Scheduled sending, undo and snooze
- Apps for web, Windows, macOS, Linux, Android and iPhone
Best for: People who want encrypted, private email.
Good for
- No credit card is needed for the free plan
- Services are stated to be open source and independently audited
Watch out for
- The free plan is limited to 1 GB storage and one email address
Proton Mail at a glance
- Website
- proton.me/mail
- Type
- App
- Pricing
- Freemium
- Platforms
- Web, Windows, macOS, Linux, Android, iOS
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Yes
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Proton Mail alternatives
Tools and sites you could use instead, ranked by how closely they match.
GnuPG implements the OpenPGP standard and provides tools to encrypt and sign data and communications, with key management and directory access.
This OpenPGP page lists email applications that support the standard directly or through additional software, across several desktop platforms.
Internxt offers encrypted cloud storage using zero-knowledge technology, with additional products listed for VPN, antivirus, cleaner, and mail.
Paid
24 alternatives
Tuta offers encrypted email, calendar, and contacts, with apps that the site says protect personal data using end-to-end encryption.
Koofr provides web, desktop, and mobile file access, supports WebDAV and Rclone, and can connect Dropbox, Google Drive, and OneDrive accounts.
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Proton Mail FAQ
Who operates Proton Mail?
Proton services are operated by Proton AG, a Swiss corporation. Its primary shareholder is the non-profit Proton Foundation in Geneva.
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