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Publisher Champ assistant

Chrome extension by Eirinaios Theodorou · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 5 000 users, a small but real audience.

Specific sites only: 64 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
5.0 (214 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
2026.09.07
Updated in the store
2026-09-08
Published
2020-09-02
Manifest
V3
Browser access
6 permissions, 64 site patterns

How it has moved

Users
unchanged since 01.09
5k · 8 readings
2026-09-09: released 2026.09.07
  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. 2026-09-165k
Rating
-0.017 since 01.09
reviewsrating 4.961-4.980 · 8 readings
2026-09-09: released 2026.09.07
  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. 2026-09-16reviews214rating4.963
Users
unchanged since 01.09
5k · 8 readings
2026-09-09: released 2026.09.07
  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. 2026-09-165k
Rating
-0.017 since 01.09
reviewsrating 4.961-4.980 · 8 readings
2026-09-09: released 2026.09.07
  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. 2026-09-16reviews214rating4.963

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: 64 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 2026.09.07 · Asked for more permissions (70, was 68)

What changed recently

  1. Asked for more permissions (70, was 68)
  2. 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 89 users
  2. TitleVitals Sync Describes nearly the same job, smaller audience 9 users
  3. LazyPublisher – KDP Sales & Ads Analytics Describes nearly the same job, smaller audience 135 users ★ 5.0
  4. Scribando Book Marketing For Amazon KDP Books Describes nearly the same job, smaller audience 58 users ★ 5.0
  5. KIP Scout Describes nearly the same job, with an established audience 10k users ★ 4.3

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.