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INST Amazon 最安チェッカー

Chrome extension by god34444 · Productivity · Tools

A Chrome extension in Productivity · Tools with 7 users, barely installed.

Specific sites only: 1 match pattern.

What the developer says, and 2 screenshots

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

Users
7
Rating
not rated yet
Users, last 17 days
+1
Version
0.5.2
Updated in the store
2026-09-15
Published
2026-08-26
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+1 since 01.09
6-9 · 8 readings
2026-09-11: released 0.5.12026-09-15: released 0.5.2
  1. 2026-09-016
  2. 2026-09-027
  3. 2026-09-046
  4. 2026-09-068
  5. 2026-09-077
  6. 2026-09-088
  7. 2026-09-159released 0.5.2
  8. 2026-09-177
Users
+1 since 01.09
6-9 · 8 readings
2026-09-11: released 0.5.12026-09-15: released 0.5.2
  1. 2026-09-016
  2. 2026-09-027
  3. 2026-09-046
  4. 2026-09-068
  5. 2026-09-077
  6. 2026-09-088
  7. 2026-09-159released 0.5.2
  8. 2026-09-177

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: 1 match pattern.

  • https://www.amazon.co.jp/*
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.5.2
  2. Version 0.5.1 · Asked for fewer permissions (2, was 3)

What changed recently

  1. Package size changed
  2. Store description rewritten (45 → 29 characters)
  3. Released version 0.5.2 (was 0.5.1)
Show the remaining 6
  1. Package size changed
  2. Asked for fewer permissions (2, was 3)
  3. Supported languages changed (2 → 1)
  4. Store description rewritten (129 → 45 characters)
  5. Renamed from "INST Amazon Lowest Price Checker" to "INST Amazon 最安チェッカー"
  6. Released version 0.5.1 (was 0.5.0)

The publisher

god34444 publishes 11 listings we track, 30 users between them. Listed website: inst-flow.com.

  1. INST Quick Share god34444 · Productivity · Tools · published 2026-08-16 6 users
  2. INST Stock Quick god34444 · Productivity · Tools · published 2026-08-10 3 users
  3. Delivery Earnings Calculator for Uber Drivers god34444 · Productivity · Tools · published 2026-09-06 3 users
Show 5 more from this publisher
  1. INST FLOW god34444 · Productivity · Tools · published 2026-08-26 3 users
  2. チャッピーラブ - 人間関係の悩み相談AI god34444 · Productivity · Tools · published 2026-08-26 3 users (last published figure)
  3. Digital Card Maker god34444 · Productivity · Tools · published 2026-08-30 2 users (last published figure)
  4. チャッピーミニ god34444 · Productivity · Tools · published 2026-08-26 2 users (last published figure)
  5. INST Site Check god34444 · Productivity · Tools · published 2026-09-11 1 users (last published figure)

Like this one

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

  1. Amazon to AI — Smart Shopping Assistant Describes nearly the same job, smaller audience 9 users
  2. LowestPrice Finder Describes nearly the same job, smaller audience 6 users
  3. Bin Diving Describes nearly the same job, smaller audience 3 users (last published figure)
  4. Price Checker AI Describes nearly the same job, smaller audience 2 users
  5. Amazon Smart Shopper Describes nearly the same job, smaller audience 2 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?

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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.