Life & fun · alternatives · 2026

24 alternatives to Knowem Security Alert

Ashley Madison Checker. Cause you wanna know.

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

1. 1
   Ashley Madison Leak Check▲74

   Check and see if an email is part of the Ashley Madison hack

   2015 · its alternatives →

2. 2
   Notify▲791

   Get notified in Slack when your startup is mentioned online

   2015 · timer.now · its alternatives →

3. 3
   TrackReddit▲210

   Get alerted when your startup/phrase is mentioned on Reddit

   2014 · trackreddit.com · its alternatives →

4. 4
   Creep Alert▲131

   Check if friends or colleagues track you via email

   2019 · its alternatives →

5. 5
   B.S. Detector▲227

   Identify fake news sources on Facebook in Chrome

   2016 · chromewebstore.google.com · its alternatives →

6. 6UC
   URL Canary – Get an alert when someone finds your secrets▲273

   2018 · urlcanary.com · its alternatives →

7. 7
   Twilert▲71

   Twitter search alerts made easy.

   2014 · twilert.com · its alternatives →

8. 8
   Ghostery▲110

   See which companies are tracking you on websites

   2014 · ghostery.com · its alternatives →

9. 9
   slalert!▲126

   Get notified in Slack when your company/keyword is mentioned

   2015 · slalert.com · its alternatives →

10. 10
    PHunted▲190

    Be notified if a site you're browsing has been hunted or not

    2014 · phunted.com · its alternatives →

11. 11
    Snitch▲86

    SSL Certificate Monitoring and Alerting

    2014 · its alternatives →

12. 12
    SELLsecure Scams investigator▲78

    Check who is behind an email and detect fraud

    2017 · its alternatives →

13. 13
    Snoopie▲161

    See who's watching you browse the web

    2016 · chromewebstore.google.com · its alternatives →

14. 14
    Ex Alarm▲107

    An app that calls your ex if you don't get out of bed

    2014 · apps.apple.com · its alternatives →

15. 15
    Site Alerts▲108

    Instant insights on any website

    2014 · sitealerts.com · its alternatives →

16. 16
    Wikilerts▲103

    Never miss out on anything with “alert communities”

    2015 · its alternatives →

17. 17
    Phishing Alert▲8

    Monitor, detect and learn about Phishing techniques

    2017 · its alternatives →

18. 18
    Searchifi▲60

    Make your own alerts and find out when things happen

    2014 · searchifi.com · its alternatives →

19. 19
    Chime▲68

    Notification Center in your browser

    2014 · chime.com · its alternatives →

20. 20
    August Doorbell Cam▲101

    Know who’s at the front door, even when you’re not home

    2015 · august.com · its alternatives →

21. 21
    Followistic▲72

    Smart email alerts for your (blog) readers

    2015 · vipjet4d.com · its alternatives →

22. 22
    Digital Asset Monitor▲72

    Create alerts for hundreds of crypto-currencies

    2016 · messenger.com · its alternatives →

23. 23
    Lifetime Deal Alert for Chrome & Firefox▲114

    Never miss a deal from AppSumo, Producthunt, Dealify 🚨🎁

    2018 · dealify.com · its alternatives →

24. 24
    Cuckuu ▲80

    Social Alarms App That Motivates You To Do Stuff!

    2015 · apps.apple.com · 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 →