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Chrome extension by polmarza · Productivity · Workflow

  • Trader

A Chrome extension in Productivity · Workflow with 30 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 5 screenshots

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

Users
30
Rating
5.0 (2 ratings)
Users, last 13 days
+30
Rating, last 30 days
Not watched long enough to say
Version
1.5.0
Updated in the store
2026-09-05
Published
2026-09-05
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
+30 since 06.09
0-30 · 9 readings
2026-09-06: appeared in the store
  1. 2026-09-060appeared in the store
  2. 2026-09-072
  3. 2026-09-085
  4. 2026-09-097
  5. 2026-09-1016
  6. 2026-09-1326
  7. 2026-09-1527
  8. 2026-09-1730
  9. 2026-09-1830
Rating
+5.00 since 06.09
reviewsrating 0.00-5.00 · 9 readings
2026-09-06: appeared in the store
  1. 2026-09-06reviews0rating0.00appeared in the store
  2. 2026-09-07reviews0rating0.00
  3. 2026-09-08reviews0rating0.00
  4. 2026-09-09reviews1rating5.00
  5. 2026-09-10reviews1rating5.00
  6. 2026-09-13reviews2rating5.00
  7. 2026-09-15reviews2rating5.00
  8. 2026-09-17reviews2rating5.00
  9. 2026-09-18reviews2rating5.00
Users
+30 since 06.09
0-30 · 9 readings
2026-09-06: appeared in the store
  1. 2026-09-060appeared in the store
  2. 2026-09-072
  3. 2026-09-085
  4. 2026-09-097
  5. 2026-09-1016
  6. 2026-09-1326
  7. 2026-09-1527
  8. 2026-09-1730
  9. 2026-09-1830
Rating
+5.00 since 06.09
reviewsrating 0.00-5.00 · 9 readings
2026-09-06: appeared in the store
  1. 2026-09-06reviews0rating0.00appeared in the store
  2. 2026-09-07reviews0rating0.00
  3. 2026-09-08reviews0rating0.00
  4. 2026-09-09reviews1rating5.00
  5. 2026-09-10reviews1rating5.00
  6. 2026-09-13reviews2rating5.00
  7. 2026-09-15reviews2rating5.00
  8. 2026-09-17reviews2rating5.00
  9. 2026-09-18reviews2rating5.00

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: 2 match patterns.

  • https://*.substack.com/*
  • https://substack.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Store data in your browser storage
Show the remaining 1
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

  1. Store badges changed
  2. Appeared in the store

The publisher

polmarza.

Like this one

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

  1. Substack Enhanced Stats Describes nearly the same job, smaller audience 35 users ★ 5.0
  2. Substack Analytics, Stats & Profile Audit — Subshack Describes nearly the same job, smaller audience 17 users ★ 5.0
  3. Stackwise Describes nearly the same job, smaller audience 6 users
  4. PlotStack — Newsletter Analytics Describes nearly the same job, smaller audience 9 users
  5. NoteStack — Substack Analytics & AI-Powered Scheduler Describes nearly the same job, smaller audience 37 users ★ 4.0

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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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.