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価格比較ツール by価格なび

Chrome extension by Freegent inc. · Lifestyle · Shopping

A Chrome extension in Lifestyle · Shopping with 3 000 users, a small but real audience.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 2 screenshots

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

Users
3 000
Rating
4.3 (9 ratings)
Users, last 17 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
3.0.3
Updated in the store
2026-09-15
Published
2012-03-28
Manifest
V3
Browser access
1 permission

How it has moved

Users
unchanged since 31.08
3k · 2 readings
2026-09-15: released 3.0.3
  1. 2026-08-313k
  2. 2026-09-163k
Rating
unchanged since 31.08
reviewsrating 4.33 · 2 readings
2026-09-15: released 3.0.3
  1. 2026-08-31reviews9rating4.33
  2. 2026-09-16reviews9rating4.33
Users
unchanged since 31.08
3k · 2 readings
2026-09-15: released 3.0.3
  1. 2026-08-313k
  2. 2026-09-163k
Rating
unchanged since 31.08
reviewsrating 4.33 · 2 readings
2026-09-15: released 3.0.3
  1. 2026-08-31reviews9rating4.33
  2. 2026-09-16reviews9rating4.33

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Add items to the right-click menu contextMenus

The full permission history for this extension

Version history

  1. Version 3.0.3

What changed recently

  1. Store description rewritten
  2. Released version 3.0.3 (was 3.0.2)

The publisher

Freegent inc. publishes 3 listings we track, 25k users between them. Listed website: kakaku-navi.net.

  1. 自動価格比較／ショッピング検索（Auto Price Checker） Freegent inc. · Lifestyle · Shopping · published 2012-05-15 20k users ★ 3.6
  2. 自動価格比較／ショッピング検索（Auto Price Checker）[アプリ版] Freegent inc. · Lifestyle · Shopping · published 2012-06-18 2k users ★ 3.9

Like this one

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

  1. 自動価格比較／ショッピング検索（Auto Price Checker） Describes nearly the same job, with an established audience 20k users ★ 3.6
  2. 価格サーチ君 Describes nearly the same job, smaller audience 96 users
  3. 価格比較・最安値チェック | Amazon 楽天 Yahoo!ショッピング - カカクロ Describes nearly the same job, smaller audience 127 users
  4. 自動価格比較／ショッピング検索（Auto Price Checker）[アプリ版] Describes nearly the same job, smaller audience 2k users ★ 3.9
  5. EC価格比較 - ネット通販5サイトの最安値をワンクリックで比較検索 Describes nearly the same job, smaller audience 74 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.