Comparison · Secure email providers
Proton Mail vs Tuta: which is better in 2026?
Proton Mail ranks higher in our list of secure email providers (#1 against #2, score 92.0 against 90.0), but the gap is small and the better choice depends on what you need.
- 92.0Editorial score90.0
- 6Platforms6
- YesFree to useYes
- YesOpen sourceYes
Which should you choose?
Choose Proton Mail if you want
Private email with a free plan and apps.
Zero-access encryption, a free plan and apps on every major platform, with the web client published under GPL-3.0. Custom domains and extra storage need the paid plans.
Choose Tuta if you want
Encrypted email and calendar on a free plan.
End-to-end encrypted mail and calendar on a free plan with post-quantum encryption, open-source clients under GPLv3 and servers in Germany. The free plan has only 1 GB of storage.
Side by side
 Proton Mail |  Tuta | |
|---|---|---|
| Score | 92.0 | 90.0 |
| Rank in list | #1 of 10 | #2 of 10 |
| Price | Free plan, paid upgradesFree plan; paid Mail Plus and Proton Unlimited add storage | Free plan, paid upgradesFree plan with 1 GB; paid plans for more storage and domains |
| Free to use | Yes | Yes |
| Open source | Yes | Yes |
| Platforms | WebiOSAndroidmacOSWindowsLinuxWeb, iOS, Android, macOS, Windows, Linux | WebiOSAndroidWindowsmacOSLinuxWeb, iOS, Android, Windows, macOS, Linux |
| Made by | Not stated | Not stated |
| Encryption | End-to-end and zero-access | End-to-end, post-quantum |
| Hosting base | Switzerland (company) | Germany (servers) |
| Free plan | Yes | Yes |
| Best for | Private email with a free plan and apps | Encrypted email and calendar on a free plan |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about Proton Mail vs Tuta
- Is Proton Mail better than Tuta?
- Proton Mail ranks higher in our list of secure email providers (#1 against #2, score 92.0 against 90.0), but the gap is small and the better choice depends on what you need. Proton Mail is best for: private email with a free plan and apps. Tuta is best for: encrypted email and calendar on a free plan.
- Which is cheaper, Proton Mail or Tuta?
- Proton Mail: Free plan; paid Mail Plus and Proton Unlimited add storage. Tuta: Free plan with 1 GB; paid plans for more storage and domains.
- Do Proton Mail and Tuta run on the same platforms?
- Proton Mail supports Web, iOS, Android, macOS, Windows, Linux. Tuta supports Web, iOS, Android, Windows, macOS, Linux.
Choosing between the two
Learning Center
1:17How to decide between two good optionsSettle a close call by sorting it by how hard it is to undo, setting a deadline, scoring the criteria as a tie-breaker and writing down why you chose.
1:20How to compare products fairly: what to keep in mindDefine the job, cap the must-haves, compare like with like, count total cost over one period and weigh the criteria. Includes a worked example.Read more about Proton Mail and Tuta
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