Best Tuta Mail Alternatives
Reviewed
The top-ranked Tuta Mail alternative is Proton Mail (Freemium). The best free option is Proton-adjacent DuckDuckGo Email Protection.
Tuta Mail (formerly Tutanota) is an encrypted email service focused on privacy with end-to-end encryption. Users seek alternatives for wider compatibility (IMAP/POP), larger storage, calendar integration, or different jurisdictions.
1A leading encrypted email service based in Switzerland with strong privacy.
2Mailbox.org
PaidA German secure email provider with encryption and office tools.
3
StartMail
PaidA privacy-focused email service from the makers of Startpage.
Fastmail
PaidA fast, ad-free email service with strong privacy and IMAP support.
Zoho Mail
FreemiumAn ad-free business email suite with a free tier and encryption.
Hushmail
PaidA secure email provider with encryption for personal and business use.
CTemplar / Skiff-like Mailfence
FreemiumA secure, encrypted email suite with calendar and documents from Belgium.
Skiff-successor Notesnook Mail (Kolab Now)
PaidA secure hosted email and groupware suite based in Switzerland.
Proton-adjacent DuckDuckGo Email Protection
FreeA free email forwarding service that strips trackers from your mail.
Top Tuta Mail alternatives compared
Proton Mail
Proton Mail is an encrypted email service from Switzerland with a free plan and paid upgrades. The free plan has 500 MB of mail storage, which you can raise to 1 GB for free, and Proton says it uses the same encryption as its paid plans. There are apps for iOS, Android, Windows, macOS and Linux. It suits Tuta users who want a free encrypted inbox with desktop apps.
Mailbox.org
Mailbox.org (now branded mailbox) is a German paid email service with PGP and S/MIME encryption and data centres in Berlin. The Light plan costs 1 euro per month with 2 GB of mail storage, and every plan can be tried free for 30 days. It works in the browser and with the standard iOS and Android mail apps. It suits people who want mail, calendar and office tools from one European provider.
Posteo
Posteo is a Berlin email service that costs 1 euro per month for 4 GB of storage, runs on green energy and is ad-free. You can sign up and pay anonymously, and it works with any app over IMAP and POP3. It suits people who want a cheap, anonymous paid inbox.
StartMail
StartMail is a Dutch email service with PGP encryption, unlimited aliases and a 7-day free trial. The Personal plan is $4.99 per month billed annually, and it now has iOS and Android apps. It suits people who sign up for many services and want a separate alias for each.
| App | Price | Platforms | Best for |
|---|---|---|---|
| Proton Mail | Free plan, paid upgrades | Web, iOS, Android, Windows, macOS, Linux | Free encrypted email |
| Mailbox.org | From 1 euro/month | Web, standard mail apps | Email plus office tools in Germany |
| Posteo | 1 euro/month | Web, any IMAP/POP3 app | Anonymous sign-up and payment |
| StartMail | $4.99/month, billed annually | Web, iOS, Android | Unlimited aliases |
We checked each app's official site on 6 November 2026. Proton Mail is the only one of the four with a permanent free plan. The other three are paid, with a 30-day trial at Mailbox.org and a 7-day trial at StartMail.
Related
Tuta Mail alternatives: FAQ
What is the best alternative to Tuta Mail?
Proton Mail is ranked first on this list (Freemium). The ranking combines our base score with readers' votes, so it can change.
What is the best free alternative to Tuta Mail?
The highest-ranked free or open-source options here are Proton-adjacent DuckDuckGo Email Protection.
Which Tuta Mail alternatives work on Mac?
Proton Mail run on macOS.
Which Tuta Mail alternatives work on Linux?
Proton Mail run on Linux.
Are there Tuta Mail alternatives for Android?
Yes: Proton Mail, Mailbox.org, StartMail and Fastmail have Android apps.
Know a Tuta Mail alternative we missed? Suggest it — we review submissions before they go live.