Life & fun · alternatives · 2026

24 alternatives to Signals

See who opens your email

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Signals launched in 2013; newer entries below may have overtaken it.

1. 1
   Signals (iOS app)▲74

   See who opens your emails

   2014 · apps.apple.com · its alternatives →

2. 2
   Signals▲2

   See who opens and clicks your emails

   2014 · its alternatives →

3. 3
   Email Insights▲154

   See and track your competitors' email

   2014 · its alternatives →

4. 4
   Litmus▲45

   Test and track your emails

   2014 · litmus.com · its alternatives →

5. 5
   RocketBolt▲13

   See who opens your emails and visits your website

   2017 · rocketbolt.com · its alternatives →

6. 6
   Litmus▲100

   Test and track your emails.

   2014 · litmus.com · its alternatives →

7. 7
   Email 1K▲190

   Double Your Email List

   2014 · email1k.com · its alternatives →

8. 8
   Knowtify▲199

   Send smart, automated digest emails.

   2014 · its alternatives →

9. 9
   tipplr▲67

   Make sure your emails are answered

   2014 · its alternatives →

10. 10
    Movable Ink▲86

    Target email at the moments of open

    2014 · movableink.com · its alternatives →

11. 11
    Mister Spoils▲93

    A Simple Email Filled With Beautiful Things

    2014 · its alternatives →

12. 12
    MailMatch▲219

    Rapportive for Email Lists

    2014 · clearbit.com · its alternatives →

13. 13
    5IT▲88

    5 intriguing things, delivered daily via email

    2015 · mailchimp.com · its alternatives →

14. 14
    brif▲27

    experience your email, anew.

    2014 · brif.us · its alternatives →

15. 15
    Stratechery▲83

    Daily email analysis on tech biz and strategy

    2015 · stratechery.com · its alternatives →

16. 16
    Midas 2.0▲161

    Unveil who's behind an email address

    2017 · its alternatives →

17. 17
    SubList▲83

    Email newsletters for blogs

    2014 · bbrandsproductinformationvideo5.in.net · its alternatives →

18. 18
    Sup▲129

    See what your friends see

    2014 · its alternatives →

19. 19
    Stitch▲67

    Mobile email for salespeople

    2014 · sugarcrm.com · its alternatives →

20. 20
    Followistic▲72

    Smart email alerts for your (blog) readers

    2015 · vipjet4d.com · its alternatives →

21. 21
    Inky▲71

    An app for all your email

    2013 · inky.com · its alternatives →

22. 22
    Happy Inbox▲116

    Discover great newsletters!

    2014 · its alternatives →

23. 23
    Dispatch▲73

    Email parsing for sales leads

    2014 · getdispatch.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 →