Ext Ops Panel
Open dashboard

Checkmate - Cashback, Savings & Rewards.

Chrome extension by Checkmate · Lifestyle · Shopping

  • Featured
  • Established publisher

A Chrome extension in Lifestyle · Shopping with 60 000 users, an established extension. Audience over the last 30 days: -10 000.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
60 000
Rating
5.0 (300 ratings)
Users, last 30 days
-10 000 (the store rounds this count to 10 000, so it moves only between steps)
Rating, last 30 days
+0.21 in 30 days
Version
9.7.3
Updated in the store
2026-09-23
Published
2021-02-01
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
-10k since 06.10
60k-70k · 18 readings
  1. 2026-10-0870k
  2. 2026-10-0970k
  3. 2026-10-1070k
  4. 2026-10-1370k
  5. 2026-10-1470k
  6. 2026-10-1670k
  7. 2026-10-1870k
  8. 2026-10-1970k
  9. 2026-10-2070k
  10. 2026-10-2160k
  11. 2026-10-2260k
  12. 2026-10-2360k
  13. 2026-10-2560k
  14. 2026-10-2860k
  15. 2026-10-2960k
  16. 2026-10-3060k
  17. 2026-11-0160k
  18. 2026-11-0460k
Rating
+0.21 since 06.10
reviewsrating 4.79-5.00 · 18 readings
  1. 2026-10-08reviews275rating4.79
  2. 2026-10-09reviews278rating4.79
  3. 2026-10-10reviews279rating4.79
  4. 2026-10-13reviews278rating4.79
  5. 2026-10-14reviews278rating4.99
  6. 2026-10-16reviews279rating4.99
  7. 2026-10-18reviews280rating4.99
  8. 2026-10-19reviews281rating4.99
  9. 2026-10-20reviews282rating4.99
  10. 2026-10-21reviews285rating4.99
  11. 2026-10-22reviews286rating4.99
  12. 2026-10-23reviews290rating4.99
  13. 2026-10-25reviews293rating5.00
  14. 2026-10-28reviews294rating5.00
  15. 2026-10-29reviews295rating5.00
  16. 2026-10-30reviews296rating5.00
  17. 2026-11-01reviews299rating5.00
  18. 2026-11-04reviews300rating5.00
Users
-10k since 01.09
60k-70k · 33 readings
2026-09-04: released 9.6.12026-09-23: released 9.7.3
  1. 2026-09-0170k
  2. 2026-09-0370k
  3. 2026-09-0470kreleased 9.6.1
  4. 2026-09-0670k
  5. 2026-09-0770k
  6. 2026-09-0870k
  7. 2026-09-1070k
  8. 2026-09-1370k
  9. 2026-09-1570k
  10. 2026-09-1770k
  11. 2026-09-2070k
  12. 2026-09-2570k
  13. 2026-09-2770k
  14. 2026-09-2870k
  15. 2026-10-0570k
  16. 2026-10-0870k
  17. 2026-10-0970k
  18. 2026-10-1070k
  19. 2026-10-1370k
  20. 2026-10-1470k
  21. 2026-10-1670k
  22. 2026-10-1870k
  23. 2026-10-1970k
  24. 2026-10-2070k
  25. 2026-10-2160k
  26. 2026-10-2260k
  27. 2026-10-2360k
  28. 2026-10-2560k
  29. 2026-10-2860k
  30. 2026-10-2960k
  31. 2026-10-3060k
  32. 2026-11-0160k
  33. 2026-11-0460k
Rating
+0.26 since 01.09
reviewsrating 4.74-5.00 · 33 readings
2026-09-04: released 9.6.12026-09-23: released 9.7.3
  1. 2026-09-01reviews215rating4.74
  2. 2026-09-03reviews216rating4.74
  3. 2026-09-04reviews218rating4.74released 9.6.1
  4. 2026-09-06reviews221rating4.74
  5. 2026-09-07reviews222rating4.74
  6. 2026-09-08reviews225rating4.74
  7. 2026-09-10reviews228rating4.75
  8. 2026-09-13reviews236rating4.75
  9. 2026-09-15reviews243rating4.76
  10. 2026-09-17reviews246rating4.76
  11. 2026-09-20reviews253rating4.77
  12. 2026-09-25reviews257rating4.77
  13. 2026-09-27reviews258rating4.78
  14. 2026-09-28reviews260rating4.78
  15. 2026-10-05reviews273rating4.79
  16. 2026-10-08reviews275rating4.79
  17. 2026-10-09reviews278rating4.79
  18. 2026-10-10reviews279rating4.79
  19. 2026-10-13reviews278rating4.79
  20. 2026-10-14reviews278rating4.99
  21. 2026-10-16reviews279rating4.99
  22. 2026-10-18reviews280rating4.99
  23. 2026-10-19reviews281rating4.99
  24. 2026-10-20reviews282rating4.99
  25. 2026-10-21reviews285rating4.99
  26. 2026-10-22reviews286rating4.99
  27. 2026-10-23reviews290rating4.99
  28. 2026-10-25reviews293rating5.00
  29. 2026-10-28reviews294rating5.00
  30. 2026-10-29reviews295rating5.00
  31. 2026-10-30reviews296rating5.00
  32. 2026-11-01reviews299rating5.00
  33. 2026-11-04reviews300rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
Show the remaining 4

The full permission history for this extension

Version history

  1. Version 9.7.3
  2. Version 9.6.1 · Asked for fewer permissions (8, was 9)

What changed recently

  1. Released version 9.7.3 (was 9.6.1)
  2. Package size changed
  3. Asked for fewer permissions (8, was 9)
Show the remaining 3
  1. Store description rewritten (75 → 68 characters)
  2. Renamed from "Checkmate - Save While You Shop." to "Checkmate - Cashback, Savings & Rewards."
  3. Released version 9.6.1 (was 8.17.0)

The publisher

Checkmate publishes 2 listings we track, 70k users between them. Listed website: joincheckmate.com.

  1. Shop TODAY Savings Checkmate · Lifestyle · Shopping · published 2023-09-18 10k users ★ 4.2

Like this one

Listings the catalog judges closest in what they say they do.

  1. TheCashback – never miss cashback Describes nearly the same job, smaller audience 4k users ★ 5.0
  2. Maximize Describes nearly the same job, smaller audience 25 users ★ 5.0
  3. Cashback Master Describes nearly the same job, with a large installed audience 100k users ★ 4.5
  4. Rev Savings Describes nearly the same job, smaller audience 5 users
  5. Shoprelate Describes nearly the same job, smaller audience 9 users ★ 5.0

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/hgipopnedpcknmapfakdedlnjjkmpnao/badge.svg)](https://extops.dev/extensions/hgipopnedpcknmapfakdedlnjjkmpnao)

HTML

<a href="https://extops.dev/extensions/hgipopnedpcknmapfakdedlnjjkmpnao"><img src="https://extops.dev/extensions/hgipopnedpcknmapfakdedlnjjkmpnao/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-04. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built