Growth · alternatives · 2026

24 alternatives to ProtonMail

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

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ProtonMail launched in 2016; newer entries below may have overtaken it.

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

   Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

   2014 · protonmail.ch · its alternatives →

2. 2
   ProtonMail▲82

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

   2014 · proton.me · its alternatives →

3. 3
   ProtonMail▲144

   Encrypted email, made simple. Now open to everybody.

   2015 · proton.me · its alternatives →

4. 4
   ProtonMail 2.0▲214

   Secure email that respects your privacy, with slick new look

   2021 · proton.me · its alternatives →

5. 5
   M for iOS▲126

   Email app with automatic encryption

   2015 · mynigma.org · its alternatives →

6. 6
   ProtonMail Mobile▲6

   Secure email service

   2016 · apps.apple.com · its alternatives →

7. 7
   Inky 3▲160

   Send encrypted emails using your current email provider

   2016 · inky.com · its alternatives →

8. 8
   Canary Mail▲122

   Privacy-friendly email app for macOS, iOS & Android

   2021 · play.google.com · its alternatives →

9. 9
   Mail by Apple▲302

   Apple's email client, unbundled 📧

   2016 · apps.apple.com · its alternatives →

10. 10
    Just Mail▲64

    Secured email platform based on distributed storage network

    2014 · its alternatives →

11. 11
    Keybase for Mobile▲159

    End-to-end encryption messaging platform

    2017 · keybase.io · its alternatives →

12. 12
    Proton▲15

    Privacy by default

    2022 · proton.me · its alternatives →

13. 13
    Proton Pass▲12

    Encrypted password manager

    2023 · proton.me · its alternatives →

14. 14
    Secure Swiss Data Encrypted Mobile App▲69

    Fully encrypted email app, hosted exclusively in Switzerland

    2017 · swissfinancestartups.com · its alternatives →

15. 15
    Airmail 3▲555

    A simple, beautiful email client for Mac and iOS

    2016 · airmailapp.com · its alternatives →

16. 16
    Airmail for iOS▲360

    One of the best Mac email clients, now on iPhone

    2016 · airmailapp.com · its alternatives →

17. 17
    Gmail 5.0▲578

    A facelift for Gmail on iOS

    2016 · apps.apple.com · its alternatives →

18. 18
    Astro for Android▲174

    Modern email app for Mac, iOS, and Android, powered by AI

    2017 · its alternatives →

19. 19
    Mailvelope▲61

    End-to-end email encryption for webmail

    2021 · mailvelope.com · its alternatives →

20. 20
    Dark Mail▲62

    Truly Encrypted Email That Even Encrypts the Metadata

    2014 · its alternatives →

21. 21
    Fastmail▲82

    A privacy focused email client

    2019 · fastmail.com · its alternatives →

22. 22
    Dmail▲87

    A privacy focused email provider using Blockchain technology

    2019 · dmail.online · its alternatives →

23. 23
    EmailPK ▲69

    Instant encrypted email

    2014 · diafygi.github.io · its alternatives →

24. 24EI
    EmailPK – Instant encrypted email▲53

    2014 · diafygi.github.io · 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 →