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Chrome extension by xavitar404 · Productivity · Tools

A Chrome extension in Productivity · Tools with 50 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
50
Rating
5.0 (1 ratings)
Users, last 16 days
+7
Rating, last 30 days
Not watched long enough to say
Version
0.9.53
Updated in the store
2026-09-14
Published
2026-07-06
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+7 since 31.08
32-50 · 9 readings
2026-09-13: released 0.9.512026-09-14: released 0.9.53
  1. 2026-08-3143
  2. 2026-09-0240
  3. 2026-09-0433
  4. 2026-09-0632
  5. 2026-09-0733
  6. 2026-09-0835
  7. 2026-09-1034
  8. 2026-09-1348released 0.9.51
  9. 2026-09-1550
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
2026-09-13: released 0.9.512026-09-14: released 0.9.53
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00released 0.9.51
  9. 2026-09-15reviews1rating5.00
Users
+7 since 31.08
32-50 · 9 readings
2026-09-13: released 0.9.512026-09-14: released 0.9.53
  1. 2026-08-3143
  2. 2026-09-0240
  3. 2026-09-0433
  4. 2026-09-0632
  5. 2026-09-0733
  6. 2026-09-0835
  7. 2026-09-1034
  8. 2026-09-1348released 0.9.51
  9. 2026-09-1550
Rating
unchanged since 31.08
reviewsrating 5.00 · 9 readings
2026-09-13: released 0.9.512026-09-14: released 0.9.53
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-13reviews1rating5.00released 0.9.51
  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: 2 match patterns.

  • https://calc.cynteka.ru/*
  • https://*.cynteka.ru/*
  • Run its own code on the pages it can access scripting
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.9.53
  2. Version 0.9.51

What changed recently

  1. Released version 0.9.53 (was 0.9.51)
  2. Now requires Chrome 102
  3. Package size changed
Show the remaining 1
  1. Released version 0.9.51 (was 0.9.28)

The publisher

xavitar404.

Like this one

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

  1. КАЦ - Конъюнктурный Анализ Цен Describes nearly the same job, smaller audience 1k users ★ 5.0
  2. Prices Describes nearly the same job, smaller audience 10 users ★ 5.0
  3. An offer preparing tool by AmoDomus Describes nearly the same job, smaller audience 5 users
  4. Spherexx Optimize Describes nearly the same job, smaller audience 4 users
  5. OFRS Describes nearly the same job, smaller audience 9 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.