AI · alternatives · 2026

24 alternatives to Caspy

Your AI Assistant for Emails

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

1. 1
   Caspy▲167

   AI assistant for your email 🤖📧

   2017 · its alternatives →

2. 2CA
   Caspy – AI Assistant for Emails▲45

   2017 · caspy.com · its alternatives →

3. 3
   Inky▲71

   An app for all your email

   2013 · inky.com · its alternatives →

4. 4
   Iterable▲94

   Smarter email marketing

   2014 · iterable.com · its alternatives →

5. 5
   MailClark▲198

   The Slack bot for external communications

   2016 · its alternatives →

6. 6
   Email Insights▲154

   See and track your competitors' email

   2014 · its alternatives →

7. 7
   Mailcloud▲110

   A New Way to Email

   2014 · mailcloudapp.com · its alternatives →

8. 8
   Litmus▲45

   Test and track your emails

   2014 · litmus.com · its alternatives →

9. 9
   Knowtify▲199

   Send smart, automated digest emails.

   2014 · its alternatives →

10. 10
    mlist 2.0▲116

    Email newsletters, outside of the inbox

    2015 · letterlist.com · its alternatives →

11. 11
    Knowmail▲73

    Email and messaging Artificial Intelligence engine

    2016 · knowmail.me · its alternatives →

12. 12
    Planleaf▲97

    Task management with email

    2014 · planleaf.com · its alternatives →

13. 13
    Stratechery▲83

    Daily email analysis on tech biz and strategy

    2015 · stratechery.com · its alternatives →

14. 14
    MailBunny.ai▲86

    Email based AI assistant, collaborate, summarize & more

    2023 · its alternatives →

15. 15
    MailMatch▲219

    Rapportive for Email Lists

    2014 · clearbit.com · its alternatives →

16. 16
    Maily▲142

    Your kids' first email

    2014 · its alternatives →

17. 17
    Digest.AI▲145

    AI-automated digest for your team's Slack

    2016 · its alternatives →

18. 18
    Signals▲102

    See who opens your email

    2013 · its alternatives →

19. 19
    Email 1K▲190

    Double Your Email List

    2014 · email1k.com · its alternatives →

20. 20
    Seer▲98

    Making emails actionable.

    2014 · getseer.com · its alternatives →

21. 21
    Stamplia▲80

    Email templates marketplace

    2014 · unstoppable.ai · its alternatives →

22. 22
    Litmus▲100

    Test and track your emails.

    2014 · litmus.com · its alternatives →

23. 23
    Mailchimp Automation▲162

    Marketing automation for everyone.

    2014 · mailchimp.com · its alternatives →

24. 24
    Informerly▲70

    Personalized industry news delivered via email

    2014 · 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 →