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Kindle Series Sale Tracker

Chrome extension by harnesswinner · Lifestyle · Shopping

A Chrome extension in Lifestyle · Shopping with 12 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 2 screenshots

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

Users
12
Rating
5.0 (1 ratings)
Users, last 16 days
+2
Rating, last 30 days
Not watched long enough to say
Version
0.5.6
Updated in the store
2026-09-14
Published
2026-06-02
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+2 since 31.08
10-12 · 9 readings
2026-09-06: released 0.5.42026-09-09: released 0.5.52026-09-14: released 0.5.6
  1. 2026-08-3110
  2. 2026-09-0311
  3. 2026-09-0410
  4. 2026-09-0612released 0.5.4
  5. 2026-09-0711
  6. 2026-09-0812
  7. 2026-09-1011
  8. 2026-09-1310
  9. 2026-09-1512
Rating
+5.00 since 31.08
reviewsrating 0.00-5.00 · 9 readings
2026-09-06: released 0.5.42026-09-09: released 0.5.52026-09-14: released 0.5.6
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00released 0.5.4
  5. 2026-09-07reviews0rating0.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00
Users
+2 since 31.08
10-12 · 9 readings
2026-09-06: released 0.5.42026-09-09: released 0.5.52026-09-14: released 0.5.6
  1. 2026-08-3110
  2. 2026-09-0311
  3. 2026-09-0410
  4. 2026-09-0612released 0.5.4
  5. 2026-09-0711
  6. 2026-09-0812
  7. 2026-09-1011
  8. 2026-09-1310
  9. 2026-09-1512
Rating
+5.00 since 31.08
reviewsrating 0.00-5.00 · 9 readings
2026-09-06: released 0.5.42026-09-09: released 0.5.52026-09-14: released 0.5.6
  1. 2026-08-31reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-06reviews0rating0.00released 0.5.4
  5. 2026-09-07reviews0rating0.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00
  9. 2026-09-15reviews1rating5.00

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

What it can reach

Specific sites only: 1 match pattern.

  • https://www.amazon.co.jp/*
  • Act on the current tab, but only after you click it activeTab
  • Schedule work to run later alarms
  • Run work in a hidden page offscreen
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.5.6
  2. Version 0.5.5
  3. Version 0.5.4

What changed recently

  1. Package size changed
  2. Released version 0.5.6 (was 0.5.5)
  3. Package size changed
Show the remaining 3
  1. Released version 0.5.5 (was 0.5.4)
  2. Package size changed
  3. Released version 0.5.4 (was 0.5.3)

The publisher

harnesswinner publishes 3 listings we track, 206 users between them.

  1. YouTube Playlist Date Sorter harnesswinner · Lifestyle · Entertainment · published 2026-05-21 176 users ★ 4.0
  2. Amazon Wishlist Sale Picker harnesswinner · Lifestyle · Shopping · published 2026-04-28 18 users

Like this one

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

  1. Kindle Sales List Aggregator Describes nearly the same job, smaller audience 4 users
  2. eReaderIQ Integrator Describes nearly the same job, smaller audience 2k users ★ 4.9
  3. eReaderIQ Injector Describes nearly the same job, smaller audience 2k users ★ 3.2
  4. Amazon Book List Downloader — Kindle, Audible & More Describes nearly the same job, smaller audience 4k users ★ 4.8
  5. Book List Export for Amazon Kindle Describes nearly the same job, smaller audience 127 users

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.

Is this your extension?

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

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.