Growth · alternatives · 2026

24 alternatives to M for iOS

Email app with automatic encryption

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. M for iOS launched in 2015; newer entries below may have overtaken it.

1. 1
   ProtonMail▲199

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

   2016 · proton.me · its alternatives →

2. 2
   Secrets 2▲132

   Simple, secure password manager for Mac and iOS

   2016 · outercorner.com · its alternatives →

3. 3
   Inky 3▲160

   Send encrypted emails using your current email provider

   2016 · inky.com · its alternatives →

4. 4
   Unibox for iOS▲101

   Your emails organized by person

   2015 · uniboxapp.com · its alternatives →

5. 5
   Canary Mail▲122

   Privacy-friendly email app for macOS, iOS & Android

   2021 · play.google.com · its alternatives →

6. 6
   Seed Mail▲160

   Beautiful email app for iPhone

   2014 · apps.apple.com · its alternatives →

7. 7
   MeSign app▲63

   Automated end-to-end encrypted email client

   2020 · its alternatives →

8. 8
   Keybase for Mobile▲159

   End-to-end encryption messaging platform

   2017 · keybase.io · its alternatives →

9. 9
   EmailPK ▲69

   Instant encrypted email

   2014 · diafygi.github.io · its alternatives →

10. 10
    CocoaMail▲80

    The sweet email app for iPhone

    2016 · its alternatives →

11. 11
    Mail by Apple▲302

    Apple's email client, unbundled 📧

    2016 · apps.apple.com · its alternatives →

12. 12
    Airmail for iOS▲360

    One of the best Mac email clients, now on iPhone

    2016 · airmailapp.com · its alternatives →

13. 13
    Criptext▲83

    Encrypt, track, and recall your emails

    2015 · its alternatives →

14. 14
    Zero Email App▲145

    Think of it as a private Google PageRank for your inbox

    2015 · its alternatives →

15. 15
    Reveal for iOS▲108

    "Ask Me Anything" app powered by cryptocurrency

    2015 · reveal.me · its alternatives →

16. 16
    Cipher▲70

    Send secret, encrypted iMessages

    2016 · its alternatives →

17. 17
    Minimalist▲256

    Password manager for iPhone, iPad, Mac, with iCloud Sync

    2021 · its alternatives →

18. 18
    ProtonMail▲144

    Encrypted email, made simple. Now open to everybody.

    2015 · proton.me · its alternatives →

19. 19
    Alto 2.0 for iOS▲87

    Email organized for you from AOL

    2016 · apps.apple.com · its alternatives →

20. 20
    Just Mail▲64

    Secured email platform based on distributed storage network

    2014 · its alternatives →

21. 21
    Secrets 3▲100

    Simple and secure password manager for Mac and iOS

    2019 · outercorner.com · its alternatives →

22. 22
    Mlist▲147

    A better way to read email newsletters

    2015 · letterlist.com · its alternatives →

23. 23
    Tor Messenger▲117

    The easiest app yet for anonymous, encrypted IM

    2015 · blog.torproject.org · its alternatives →

24. 24
    Inbox AI▲201

    AI-Powered Personal Productivity

    2024 · 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 →