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Publisher Champ assistant

Chrome extension by Eirinaios Theodorou · Productivity · Tools

  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 5 000 users, a small but real audience. Audience over the last 30 days: unchanged.

Specific sites only: 66 match patterns.

What the developer says, and 5 screenshots

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

Users
5 000
Rating
4.9 (229 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 1 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
2026.10.21
Updated in the store
2026-10-22
Published
2020-09-02
Manifest
V3
Browser access
6 permissions, 66 site patterns

How it has moved

Users
unchanged since 07.10
5k-6k · 9 readings
2026-10-16: released 2026.10.152026-10-23: released 2026.10.21
  1. 2026-10-135k
  2. 2026-10-145k
  3. 2026-10-165kreleased 2026.10.15
  4. 2026-10-235kreleased 2026.10.21
  5. 2026-10-246k
  6. 2026-10-256k
  7. 2026-10-296k
  8. 2026-11-015k
  9. 2026-11-065k
Rating
-0.017 since 07.10
reviewsrating 4.947-4.964 · 9 readings
2026-10-16: released 2026.10.152026-10-23: released 2026.10.21
  1. 2026-10-13reviews224rating4.964
  2. 2026-10-14reviews224rating4.947
  3. 2026-10-16reviews225rating4.947released 2026.10.15
  4. 2026-10-23reviews226rating4.947released 2026.10.21
  5. 2026-10-24reviews226rating4.947
  6. 2026-10-25reviews227rating4.947
  7. 2026-10-29reviews229rating4.947
  8. 2026-11-01reviews229rating4.947
  9. 2026-11-06reviews229rating4.947
Users
unchanged since 01.09
5k-6k · 19 readings
2026-09-09: released 2026.09.072026-10-16: released 2026.10.152026-10-23: released 2026.10.21
  1. 2026-09-015k
  2. 2026-09-045k
  3. 2026-09-055k
  4. 2026-09-065k
  5. 2026-09-095kreleased 2026.09.07
  6. 2026-09-135k
  7. 2026-09-155k
  8. 2026-09-255k
  9. 2026-09-275k
  10. 2026-10-045k
  11. 2026-10-135k
  12. 2026-10-145k
  13. 2026-10-165kreleased 2026.10.15
  14. 2026-10-235kreleased 2026.10.21
  15. 2026-10-246k
  16. 2026-10-256k
  17. 2026-10-296k
  18. 2026-11-015k
  19. 2026-11-065k
Rating
-0.033 since 01.09
reviewsrating 4.947-4.980 · 19 readings
2026-09-09: released 2026.09.072026-10-16: released 2026.10.152026-10-23: released 2026.10.21
  1. 2026-09-01reviews204rating4.980
  2. 2026-09-04reviews206rating4.961
  3. 2026-09-05reviews207rating4.961
  4. 2026-09-06reviews208rating4.962
  5. 2026-09-09reviews210rating4.962released 2026.09.07
  6. 2026-09-13reviews212rating4.962
  7. 2026-09-15reviews214rating4.963
  8. 2026-09-25reviews216rating4.963
  9. 2026-09-27reviews217rating4.963
  10. 2026-10-04reviews222rating4.964
  11. 2026-10-13reviews224rating4.964
  12. 2026-10-14reviews224rating4.947
  13. 2026-10-16reviews225rating4.947released 2026.10.15
  14. 2026-10-23reviews226rating4.947released 2026.10.21
  15. 2026-10-24reviews226rating4.947
  16. 2026-10-25reviews227rating4.947
  17. 2026-10-29reviews229rating4.947
  18. 2026-11-01reviews229rating4.947
  19. 2026-11-06reviews229rating4.947

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: 66 match patterns.

  • https://kdpchamp.com/*
  • https://publisherchamp.com/*
  • https://*.kdpchamp.com/*
Show the remaining 9
  • https://*.publisherchamp.com/*
  • https://kdpchamp.herokuapp.com/*
  • https://*.amazon.co.uk/*
  • https://*.amazon.com/*
  • https://*.amazon.ca/*
  • https://*.amazon.com.mx/*
  • http://*.amazon.com.be/*
  • https://*.amazon.com.be/*
  • http://amazon.com.be/*
  • Clear your browsing data browsingData
  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
Show the remaining 3
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2026.10.21
  2. Version 2026.10.15 · Asked for more permissions (72, was 70) (changed: site access)
  3. Version 2026.09.07 · Asked for more permissions (70, was 68)

What changed recently

  1. Package size changed
  2. Released version 2026.10.21 (was 2026.10.15)
  3. Asked for more permissions (72, was 70) (changed: site access)
Show the remaining 3
  1. Released version 2026.10.15 (was 2026.09.07)
  2. Asked for more permissions (70, was 68)
  3. Released version 2026.09.07 (was 2026.03.14)

The publisher

Eirinaios Theodorou. Listed website: publisherchamp.com.

Like this one

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

  1. Authorbase Describes nearly the same job, smaller audience 94 users
  2. TitleVitals Sync Describes nearly the same job, smaller audience 7 users
  3. Book Finder Connector Describes nearly the same job, smaller audience 6 users
  4. LazyPublisher – KDP Sales & Ads Analytics Describes nearly the same job, smaller audience 148 users ★ 5.0
  5. Scribando Book Marketing For Amazon KDP Books Describes nearly the same job, smaller audience 62 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.

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Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/kkjlhhppeboajiggpecnachblinejhdl"><img src="https://extops.dev/extensions/kkjlhhppeboajiggpecnachblinejhdl/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built