Growth · alternatives · 2026

24 alternatives to Secure Swiss Data Encrypted Email Mobile Apps

Fully encrypted email apps, hosted in Switzerland

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Secure Swiss Data Encrypted Email Mobile Apps launched in 2018; newer entries below may have overtaken it.

1. 1ET
   End-to-end encrypted email, based in Switzerland▲45

   2014 · protonmail.ch · its alternatives →

2. 2
   ProtonMail▲199

   End-to-end encrypted email - now on iOS & Android

   2016 · its alternatives →

3. 3WB
   We built an end-to-end encrypted alternative to Google Photos▲1,180

   Hello HN, Over the last year we've been building ente[1], a privacy-friendly, easy-to-use alternative to Google Photos. We've so far built Android[2][3], iOS[4], web[5] apps that encrypt your files and back them up in the background. You can access these across your devices, and share them with other ente users, end-to-end encrypted. You can also use our electron app[6] to maintain a local copy of your backed up files. We've built a fault-tolerant data replication layer that replicates your data to two different storage providers in the EU. We will be providing additional replicas as an…

   2021 · its alternatives →

4. 4
   Canary Mail▲122

   Privacy-friendly email app for macOS, iOS & Android

   2021 · its alternatives →

5. 5
   ProtonMail▲82

   End-to-end encrypted email, based in Switzerland.

   2014 · its alternatives →

6. 6
   .app▲631

   A new secure domain for apps from Google.

   2018 · registry.google · its alternatives →

7. 7
   M for iOS▲126

   Email app with automatic encryption

   2015 · its alternatives →

8. 8
   The 1.1.1.1 App▲689

   Faster, more private internet by Cloudflare, now on mobile

   2018 · apps.apple.com · its alternatives →

9. 9
   MeSign app▲63

   Automated end-to-end encrypted email client

   2020 · its alternatives →

10. 10EE
    Easy Email Encryption inside Gmail (Alpha, Open-Source)▲170

    2013 · streak.com · its alternatives →

11. 11
    Sealit▲511

    Simple data security to get compliant & stay productive

    2023 · its alternatives →

12. 12
    Inky 3▲160

    Send encrypted emails using your current email provider

    2016 · its alternatives →

13. 13
    Skiff Mail▲165

    Private, end-to-end encrypted, open-source mail

    2022 · its alternatives →

14. 14
    Keybase for Mobile▲159

    End-to-end encryption messaging platform

    2017 · its alternatives →

15. 15
    Seald SDK▲108

    Protect your users' data with end-to-end encryption.

    2021 · its alternatives →

16. 16
    Mailvelope▲61

    End-to-end email encryption for webmail

    2021 · its alternatives →

17. 17
    SecureDB▲83

    Encryption as a service for mobile, web and IoT applications

    2015 · its alternatives →

18. 18
    Email Encryption▲3

    Secure every email, stay compliant automatically

    2025 · securetitan.com · its alternatives →

19. 19
    1ty.me▲158

    Self destructing links for sharing sensitive information

    2018 · its alternatives →

20. 20
    ASTIS Mail▲12

    Encrypt Gmail/M365 mail, calendar & attachments

    Jun 2026 · mail.astis.io · its alternatives →

21. 21
    Dash▲122

    Private, encrypted OSS notes app

    2025 · dashnote.io · its alternatives →

22. 22
    Secure Calendar▲75

    Privacy respecting calendar

    2019 · its alternatives →

23. 23
    Bitwarden Send▲79

    Easily transmit text or files fully encrypted

    2021 · its alternatives →

24. 24
    BMail▲93

    Encrypt emails and attachments

    2024 · chromewebstore.google.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →