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Koopon – AI Shopping Copilot

Chrome extension by mmountagad1 · Lifestyle · Shopping

A Chrome extension in Lifestyle · Shopping with 3 users, barely installed.

Specific sites only: 27 match patterns.

What the developer says, and 1 screenshot

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

Users
3
Rating
not rated yet
Users, last 17 days
+3
Version
1.1.0
Updated in the store
2026-08-19
Published
2026-08-19
Manifest
V3
Browser access
3 permissions, 27 site patterns

How it has moved

Users
+3 since 31.08
0-5 · 8 readings
  1. 2026-08-310
  2. 2026-09-023
  3. 2026-09-034
  4. 2026-09-065
  5. 2026-09-104
  6. 2026-09-130
  7. 2026-09-153
  8. 2026-09-163
Users
+3 since 31.08
0-5 · 8 readings
  1. 2026-08-310
  2. 2026-09-023
  3. 2026-09-034
  4. 2026-09-065
  5. 2026-09-104
  6. 2026-09-130
  7. 2026-09-153
  8. 2026-09-163

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: 27 match patterns.

  • https://koopon.app/*
  • https://*.amazon.*/*
  • https://*.ebay.*/*
Show the remaining 9
  • https://*.aliexpress.*/*
  • https://*.rakuten.*/*
  • https://*.etsy.*/*
  • https://*.walmart.*/*
  • https://*.newegg.*/*
  • https://*.mercadolibre.*/*
  • https://*.allegro.*/*
  • https://*.cdiscount.*/*
  • https://*.fnac.*/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • 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

mmountagad1 publishes 2 listings we track, 556 users between them. Listed website: koopon.app.

  1. Page2Doc — Web Page to PDF, Word & Excel mmountagad1 · Productivity · Tools · published 2026-01-19 553 users ★ 4.9

Like this one

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

  1. coupons Describes nearly the same job, smaller audience 23 users ★ 5.0
  2. SmartShopping Demo MV3 Describes nearly the same job, smaller audience 12 users
  3. CouponBind - Automatic Coupon Finder Describes nearly the same job, smaller audience 8k users ★ 4.8
  4. Couponim AI - Smart Deals for AI Chats Describes nearly the same job, smaller audience 5 users
  5. DealsFinders - Automatic Coupons & Deals Describes nearly the same job, smaller audience 4 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.

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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.