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BookScope — KDP BSR & Sales Estimates

Chrome extension by Aseem · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 26 users, barely installed. Audience over the last 30 days: +15.

Specific sites only: 8 match patterns.

What the developer says, and 5 screenshots

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

Users
26
Rating
not rated yet
Users, last 30 days
+15
Version
1.1.5
Updated in the store
2026-09-15
Published
2026-09-11
Manifest
V3
Browser access
1 permission, 8 site patterns

How it has moved

Users
+15 since 01.10
11-27 · 16 readings
2026-10-01: gained the good publisher record badge
  1. 2026-10-0414
  2. 2026-10-0816
  3. 2026-10-0915
  4. 2026-10-1016
  5. 2026-10-1319
  6. 2026-10-1626
  7. 2026-10-1725
  8. 2026-10-1926
  9. 2026-10-2025
  10. 2026-10-2126
  11. 2026-10-2227
  12. 2026-10-2325
  13. 2026-10-2426
  14. 2026-10-2527
  15. 2026-10-2926
  16. 2026-10-3126
Users
+26 since 12.09
0-27 · 23 readings
2026-09-12: appeared in the store2026-09-14: released 1.1.42026-09-15: released 1.1.52026-10-01: gained the good publisher record badge
  1. 2026-09-120appeared in the store
  2. 2026-09-152released 1.1.5
  3. 2026-09-204
  4. 2026-09-213
  5. 2026-09-255
  6. 2026-09-2610
  7. 2026-09-2811
  8. 2026-10-0414
  9. 2026-10-0816
  10. 2026-10-0915
  11. 2026-10-1016
  12. 2026-10-1319
  13. 2026-10-1626
  14. 2026-10-1725
  15. 2026-10-1926
  16. 2026-10-2025
  17. 2026-10-2126
  18. 2026-10-2227
  19. 2026-10-2325
  20. 2026-10-2426
  21. 2026-10-2527
  22. 2026-10-2926
  23. 2026-10-3126

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

Specific sites only: 8 match patterns.

  • https://www.amazon.com/*
  • https://www.amazon.co.uk/*
  • https://www.amazon.ca/*
Show the remaining 5
  • https://www.amazon.de/*
  • https://www.amazon.in/*
  • https://www.amazon.com.au/*
  • https://live.dodopayments.com/*
  • https://test.dodopayments.com/*
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.1.5
  2. Version 1.1.4

What changed recently

  1. Gained the Established publisher badge
  2. Package size changed
  3. Store description rewritten
Show the remaining 5
  1. Released version 1.1.5 (was 1.1.4)
  2. Package size changed
  3. Store description rewritten
  4. Released version 1.1.4 (was 1.1.0)
  5. Appeared in the store

The publisher

Aseem publishes 2 listings we track, 861 users between them. Listed website: bookscope.github.io.

  1. YouTube Shorts Auto-Scroll Aseem · Make Chrome Yours · Functionality · published 2025-12-30 835 users ★ 4.2

Like this one

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

  1. Niche Hound – KDP Book Research: BSR, Sales & Keywords on Amazon Describes nearly the same job, smaller audience 67 users
  2. KDP Quick Insights — Amazon BSR, Sales Estimator & Niche Research Describes nearly the same job, smaller audience 180 users
  3. KDPage — Amazon KDP Quick View & BSR Estimator Describes nearly the same job, smaller audience 10 users
  4. KDP NicheLens Describes nearly the same job, smaller audience 2 users (last published figure)
  5. Bookscout – Book Niche & Keyword Research Describes nearly the same job, smaller audience 3 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.

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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/hodbjjaohnolmgbickjoiagcphcllcbo"><img src="https://extops.dev/extensions/hodbjjaohnolmgbickjoiagcphcllcbo/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built