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Costco Price Adjuster

Chrome extension by DB Webstore Extensions · Lifestyle · Shopping

A Chrome extension in Lifestyle · Shopping with 105 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
105
Rating
5.0 (4 ratings)
Users, last 16 days
-1
Rating, last 30 days
Not watched long enough to say
Version
1.1.6
Updated in the store
2025-11-23
Published
2025-01-07
Manifest
V3
Browser access
6 permissions, 1 site pattern

How it has moved

Users
-1 since 01.09
101-106 · 8 readings
  1. 2026-09-01106
  2. 2026-09-05104
  3. 2026-09-06101
  4. 2026-09-08102
  5. 2026-09-10103
  6. 2026-09-13102
  7. 2026-09-15105
  8. 2026-09-16105
Rating
unchanged since 01.09
reviewsrating 5.00 · 8 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-05reviews4rating5.00
  3. 2026-09-06reviews4rating5.00
  4. 2026-09-08reviews4rating5.00
  5. 2026-09-10reviews4rating5.00
  6. 2026-09-13reviews4rating5.00
  7. 2026-09-15reviews4rating5.00
  8. 2026-09-16reviews4rating5.00
Users
-1 since 01.09
101-106 · 8 readings
  1. 2026-09-01106
  2. 2026-09-05104
  3. 2026-09-06101
  4. 2026-09-08102
  5. 2026-09-10103
  6. 2026-09-13102
  7. 2026-09-15105
  8. 2026-09-16105
Rating
unchanged since 01.09
reviewsrating 5.00 · 8 readings
  1. 2026-09-01reviews4rating5.00
  2. 2026-09-05reviews4rating5.00
  3. 2026-09-06reviews4rating5.00
  4. 2026-09-08reviews4rating5.00
  5. 2026-09-10reviews4rating5.00
  6. 2026-09-13reviews4rating5.00
  7. 2026-09-15reviews4rating5.00
  8. 2026-09-16reviews4rating5.00

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: 1 match pattern.

  • https://www.costco.com/*
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
Show the remaining 3
  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

DB Webstore Extensions publishes 3 listings we track, 299 users between them.

  1. Slack Controls DB Webstore Extensions · Productivity · Workflow · published 2022-11-16 145 users
  2. Jira Story Points in Kanban Swimlanes DB Webstore Extensions · Productivity · Workflow · published 2023-02-06 49 users ★ 5.0

Like this one

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

  1. Droply: Costco Price Adjustment Tracker Describes nearly the same job, smaller audience 40 users
  2. Costco Saver Describes nearly the same job, smaller audience 84 users ★ 3.0
  3. Deals Extractor Describes nearly the same job, smaller audience 4 users
  4. Costco Receipt Manager for DigHome360.com Describes nearly the same job, smaller audience 3 users
  5. PricePiq Describes nearly the same job, smaller audience 3 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.