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JustKOL.id - Check engagement rate Instagram & TikTok

Chrome extension · Productivity · Tools

A Chrome extension in Productivity · Tools with 466 users, barely installed.

Specific sites only: 4 match patterns.

What the developer says, and 5 screenshots

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

Users
466
Rating
5.0 (1 ratings)
Users, last 11 days
+172
Rating, last 30 days
Not watched long enough to say
Version
1.4.7
Updated in the store
2026-09-14
Published
2026-08-01
Manifest
V3
Browser access
1 permission, 4 site patterns

How it has moved

Users
+172 since 07.09
294-466 · 7 readings
2026-09-07: appeared in the store2026-09-10: released 1.4.52026-09-14: released 1.4.7
  1. 2026-09-07294appeared in the store
  2. 2026-09-08306
  3. 2026-09-09317
  4. 2026-09-13375
  5. 2026-09-15395
  6. 2026-09-16466
  7. 2026-09-17466
Rating
unchanged since 07.09
reviewsrating 5.00 · 7 readings
2026-09-07: appeared in the store2026-09-10: released 1.4.52026-09-14: released 1.4.7
  1. 2026-09-07reviews1rating5.00appeared in the store
  2. 2026-09-08reviews1rating5.00
  3. 2026-09-09reviews1rating5.00
  4. 2026-09-13reviews1rating5.00
  5. 2026-09-15reviews1rating5.00
  6. 2026-09-16reviews1rating5.00
  7. 2026-09-17reviews1rating5.00
Users
+172 since 07.09
294-466 · 7 readings
2026-09-07: appeared in the store2026-09-10: released 1.4.52026-09-14: released 1.4.7
  1. 2026-09-07294appeared in the store
  2. 2026-09-08306
  3. 2026-09-09317
  4. 2026-09-13375
  5. 2026-09-15395
  6. 2026-09-16466
  7. 2026-09-17466
Rating
unchanged since 07.09
reviewsrating 5.00 · 7 readings
2026-09-07: appeared in the store2026-09-10: released 1.4.52026-09-14: released 1.4.7
  1. 2026-09-07reviews1rating5.00appeared in the store
  2. 2026-09-08reviews1rating5.00
  3. 2026-09-09reviews1rating5.00
  4. 2026-09-13reviews1rating5.00
  5. 2026-09-15reviews1rating5.00
  6. 2026-09-16reviews1rating5.00
  7. 2026-09-17reviews1rating5.00

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: 4 match patterns.

  • https://www.instagram.com/*
  • https://www.tiktok.com/*
  • https://script.google.com/*
Show the remaining 1
  • https://script.googleusercontent.com/*
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.4.7
  2. Version 1.4.5

What changed recently

  1. Package size changed
  2. Supported languages changed (1 → 1)
  3. Store description rewritten (71 → 74 characters)
Show the remaining 5
  1. Renamed from "JustKOL.id" to "JustKOL.id - Check engagement rate Instagram & TikTok"
  2. Released version 1.4.7 (was 1.4.5)
  3. Package size changed
  4. Released version 1.4.5 (was 1.4.4)
  5. Appeared in the store

Like this one

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

  1. Untapper Influencer Marketing Describes nearly the same job, smaller audience 170 users ★ 5.0
  2. UpDog - TikTok & Instagram Analytics Describes nearly the same job, with an established audience 10k users ★ 4.5
  3. ProfileStats: TikTok & Instagram Profile Analytics Describes nearly the same job, smaller audience 149 users ★ 5.0
  4. Influencer Searcher Engagement Calculator Describes nearly the same job, smaller audience 9k users ★ 4.0
  5. Shortsintel Profile Analyzer Describes nearly the same job, smaller audience 6 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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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.