AI · alternatives · 2026

24 alternatives to Knowmail Mobile

Get only your urgent emails

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Knowmail Mobile launched in 2017; newer entries below may have overtaken it.

1. 1
   Notion▲580

   Artificial intelligence-powered email.

   2015 · its alternatives →

2. 2
   SlideMail▲97

   An email app that can think

   2015 · its alternatives →

3. 3
   New Gmail▲935

   The new version of Gmail web

   2018 · blog.google · its alternatives →

4. 4
   Inbox AI▲201

   AI-Powered Personal Productivity

   2024 · its alternatives →

5. 5
   Astro for Android▲174

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

   2017 · its alternatives →

6. 6
   Live Mail▲110

   A clean, feature-packed Android email client

   2017 · its alternatives →

7. 7
   Shortwave AI Email Assistant 2.0▲214

   The ultimate search, analysis, and productivity companion

   2024 · shortwave.com · its alternatives →

8. 8
   Fastmail▲82

   A privacy focused email client

   2019 · its alternatives →

9. 9
   Spark for Android▲296

   The much beloved email client now on Android

   2019 · its alternatives →

10. 10
    Buzz Mail▲112

    AI email assistant

    2023 · its alternatives →

11. 11
    Morning Mail▲302

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

    2016 · its alternatives →

12. 12
    All-new Spark▲354

    Smart. Focused. Email

    2022 · its alternatives →

13. 13
    Astro▲309

    AI meets email for Mac, iOS and Android

    2017 · its alternatives →

14. 14
    TabMail▲69

    An agentic email assistant for iOS and Thunderbird

    Apr 2026 · tabmail.ai · its alternatives →

15. 15
    Shortwave AI Assistant▲163

    Your AI-powered executive email assistant

    2023 · its alternatives →

16. 16
    Spark +AI▲181

    Your email productivity, supercharged with AI

    2023 · its alternatives →

17. 17
    Forage Mail▲308

    AI that solves email overwhelm. Not another mail app.

    2025 · foragemail.com · its alternatives →

18. 18
    EzMail.AI▲115

    Reply to emails 10X faster with pre-filled drafts by AI

    2023 · its alternatives →

19. 19KA
    Kanmail – An email client that functions like a kanban board▲271

    2020 · github.com · its alternatives →

20. 20
    OnMail▲111

    New email service where you're in control

    2020 · its alternatives →

21. 21
    Knowtify▲199

    Send smart, automated digest emails.

    2014 · its alternatives →

22. 22
    WeMail▲84

    E-mail that puts people first (Android)

    2014 · its alternatives →

23. 23
    Langchain AI Email Assistant▲164

    The prototype of ambient agents

    2025 · agentinbox.ai · its alternatives →

24. 24
    RadioMail▲77

    Connect with the world from anywhere over radio

    2023 · 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 →