Growth · alternatives · 2026

24 alternatives to Fastmail

Email on your side

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Fastmail launched in 2021; newer entries below may have overtaken it.

1. 1
   Fastmail▲82

   A privacy focused email client

   2019 · its alternatives →

2. 2
   Sidemail▲498

   Quick & easy email for all your side projects

   2018 · its alternatives →

3. 3
   OnMail▲111

   New email service where you're in control

   2020 · its alternatives →

4. 4
   Sidemail.io▲204

   Email delivery made simple for startups

   2020 · its alternatives →

5. 5
   Spark for Android▲296

   The much beloved email client now on Android

   2019 · its alternatives →

6. 6
   ProtonMail▲199

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

   2016 · its alternatives →

7. 7
   Sidemail 2.0▲307

   All-in-one email platform for SaaS

   Nov 2025 · sidemail.io · its alternatives →

8. 8
   Anymail finder▲627

   Quickly find anyone's email at any company

   2015 · anymailfinder.com · its alternatives →

9. 9
   Dmail▲87

   A privacy focused email provider using Blockchain technology

   2019 · its alternatives →

10. 10
    Polymail Pro▲597

    The ultimate email productivity app for business 💌

    2016 · its alternatives →

11. 11
    Front (for Android)▲97

    The easiest way to work with team inboxes (on Android!)

    2017 · its alternatives →

12. 12
    Front (iOS)▲382

    The easiest way to work with team inboxes (on your iPhone!)

    2015 · its alternatives →

13. 13
    iMailer▲115

    Email for busy professionals

    2022 · its alternatives →

14. 14
    Morning Mail▲302

    A new way to manage your mail. Tinder for email.

    2016 · its alternatives →

15. 15
    Front for iOS▲406

    The first inbox for teams

    2016 · its alternatives →

16. 16
    Inbox AI▲201

    AI-Powered Personal Productivity

    2024 · its alternatives →

17. 17
    ProtonMail 2.0▲214

    Secure email that respects your privacy, with slick new look

    2021 · its alternatives →

18. 18
    Inbox Zero▲185

    Here’s how the most productive people manage their inbox.

    2020 · its alternatives →

19. 19
    Spark 2.0▲211

    Revolutionary email for teams

    2018 · its alternatives →

20. 20
    Airmail for iOS▲363

    One of the best Mac email clients, now on iPhone

    2016 · its alternatives →

21. 21
    Hound▲114

    The fastest way to conduct competitive email research

    2025 · its alternatives →

22. 22
    Keepmail▲146

    Secure and private email forwarding service

    2023 · its alternatives →

23. 23
    Canary Mail▲122

    Privacy-friendly email app for macOS, iOS & Android

    2021 · its alternatives →

24. 24
    EmailOnDeck▲117

    Free & fast, temporary emails in 2 easy steps

    2016 · 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 →