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EC Catcher 楽天・Amazon・Yahoo! 商品分析 在庫・売上推論 アナライザー

Chrome extension by aicon-corp · Lifestyle · Shopping

  • Trader

A Chrome extension in Lifestyle · Shopping with 133 users, barely installed.

Specific sites only: 11 match patterns.

What the developer says, and 5 screenshots

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

Users
133
Rating
5.0 (1 ratings)
Users, last 17 days
+5
Rating, last 30 days
Not watched long enough to say
Version
1.7.4
Updated in the store
2026-09-14
Published
2026-03-03
Manifest
V3
Browser access
8 permissions, 11 site patterns

How it has moved

Users
+5 since 01.09
127-135 · 10 readings
2026-09-03: released 1.7.12026-09-09: released 1.7.22026-09-13: released 1.7.32026-09-14: released 1.7.4
  1. 2026-09-01128
  2. 2026-09-03127released 1.7.1
  3. 2026-09-04129
  4. 2026-09-06130
  5. 2026-09-07128
  6. 2026-09-08131
  7. 2026-09-09133released 1.7.2
  8. 2026-09-13135released 1.7.3
  9. 2026-09-16133
  10. 2026-09-17133
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
2026-09-03: released 1.7.12026-09-09: released 1.7.22026-09-13: released 1.7.32026-09-14: released 1.7.4
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00released 1.7.1
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00released 1.7.2
  8. 2026-09-13reviews1rating5.00released 1.7.3
  9. 2026-09-16reviews1rating5.00
  10. 2026-09-17reviews1rating5.00
Users
+5 since 01.09
127-135 · 10 readings
2026-09-03: released 1.7.12026-09-09: released 1.7.22026-09-13: released 1.7.32026-09-14: released 1.7.4
  1. 2026-09-01128
  2. 2026-09-03127released 1.7.1
  3. 2026-09-04129
  4. 2026-09-06130
  5. 2026-09-07128
  6. 2026-09-08131
  7. 2026-09-09133released 1.7.2
  8. 2026-09-13135released 1.7.3
  9. 2026-09-16133
  10. 2026-09-17133
Rating
unchanged since 01.09
reviewsrating 5.00 · 10 readings
2026-09-03: released 1.7.12026-09-09: released 1.7.22026-09-13: released 1.7.32026-09-14: released 1.7.4
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00released 1.7.1
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-09reviews1rating5.00released 1.7.2
  8. 2026-09-13reviews1rating5.00released 1.7.3
  9. 2026-09-16reviews1rating5.00
  10. 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: 11 match patterns.

  • https://www.rakuten.co.jp/*
  • https://item.rakuten.co.jp/*
  • https://search.rakuten.co.jp/*
Show the remaining 8
  • https://books.rakuten.co.jp/*
  • https://biccamera.rakuten.co.jp/*
  • https://brandavenue.rakuten.co.jp/*
  • https://www.amazon.co.jp/*
  • https://store.shopping.yahoo.co.jp/*
  • https://shopping.yahoo.co.jp/*
  • https://api.ec-catcher.com/*
  • https://extensionpay.com/*
  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 5
  • Schedule work to run later alarms
  • Add items to the right-click menu contextMenus
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

Version history

  1. Version 1.7.4
  2. Version 1.7.3
  3. Version 1.7.2
Show the remaining 1
  1. Version 1.7.1

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Released version 1.7.4 (was 1.7.3)
Show the remaining 7
  1. Store description rewritten
  2. Released version 1.7.3 (was 1.7.2)
  3. Store description rewritten
  4. Released version 1.7.2 (was 1.7.1)
  5. Package size changed
  6. Store description rewritten
  7. Released version 1.7.1 (was 1.7.0)

The publisher

aicon-corp publishes 4 listings we track, 261 users between them. Listed website: ec-catcher.com.

  1. EC Tracking 楽天・Amazon・Yahoo! 検索順位 ランキング サジェスト トラッカー aicon-corp · Lifestyle · Shopping · published 2026-03-31 81 users ★ 5.0
  2. EC Mobile Viewer 楽天・Amazon・Yahoo!・auPAY キャプチャーモバイルビューワー aicon-corp · Lifestyle · Shopping · published 2026-04-10 25 users
  3. EC Scope 楽天・Yahoo! SEO/AIO 商品最適化・構造Visualizer aicon-corp · Lifestyle · Shopping · published 2026-07-09 22 users

Like this one

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

  1. 売れるくん - EC分析ツール Describes nearly the same job, smaller audience 5 users
  2. EC Tracking 楽天・Amazon・Yahoo! 検索順位 ランキング サジェスト トラッカー Describes nearly the same job, smaller audience 81 users ★ 5.0
  3. Amazon Research Pro Describes nearly the same job, smaller audience 3 users (last published figure)
  4. せどリサーチ Describes a similar job, smaller audience 7 users
  5. ECリサーチツール Describes a similar job, smaller audience 3 users (last published figure)

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.