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43Tracker

Chrome extension by 43 · Productivity · Tools

A Chrome extension in Productivity · Tools with 4 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 3 screenshots

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

Users
4 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 13 days
+3
Version
1.4.4
Updated in the store
2026-09-07
Published
2026-09-05
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+3 since 06.09
0-4 · 5 readings
2026-09-06: appeared in the store2026-09-06: released 1.4.22026-09-08: released 1.4.4
  1. 2026-09-061appeared in the storereleased 1.4.2
  2. 2026-09-083released 1.4.4
  3. 2026-09-094
  4. 2026-09-130
  5. 2026-09-184
Users
+3 since 06.09
0-4 · 5 readings
2026-09-06: appeared in the store2026-09-06: released 1.4.22026-09-08: released 1.4.4
  1. 2026-09-061appeared in the storereleased 1.4.2
  2. 2026-09-083released 1.4.4
  3. 2026-09-094
  4. 2026-09-130
  5. 2026-09-184

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://*.duelingbook.com/*
  • https://db.ygoprodeck.com/*
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.4.4
  2. Version 1.4.2

What changed recently

  1. Package size changed
  2. Released version 1.4.4 (was 1.4.2)
  3. Package size changed
Show the remaining 3
  1. Store description rewritten
  2. Released version 1.4.2 (was 1.0.0)
  3. Appeared in the store

The publisher

43.

Like this one

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

  1. Dueling Book Enhancer Describes nearly the same job, smaller audience 12 users
  2. DuelingNexus Tools – Start-Hand Simulator & Replay Deck Downloader Describes nearly the same job, smaller audience 350 users ★ 4.7
  3. MasterDuelMeta Assistant Describes nearly the same job, with an established audience 20k users ★ 4.2
  4. DuelingBook Overflow Describes nearly the same job, smaller audience 74 users
  5. InkRadar Describes nearly the same job, smaller audience 4 users (last published figure) ★ 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.

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.