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AI Price Comparison for Shopping — NanoPrice

Chrome extension by Cupcake Development · Lifestyle · Shopping

  • Established publisher

A Chrome extension in Lifestyle · Shopping with 139 users, barely installed. Audience over the last 30 days: +49.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

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

Users
139
Rating
4.7 (11 ratings)
Users, last 30 days
+49
Rating, last 30 days
Steady over 30 days
Version
0.1.8
Updated in the store
2026-08-07
Published
2026-03-15
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
+49 since 30.09
90-139 · 17 readings
  1. 2026-10-04108
  2. 2026-10-08104
  3. 2026-10-09110
  4. 2026-10-10112
  5. 2026-10-13115
  6. 2026-10-16120
  7. 2026-10-17122
  8. 2026-10-18127
  9. 2026-10-19123
  10. 2026-10-21127
  11. 2026-10-23124
  12. 2026-10-24128
  13. 2026-10-25127
  14. 2026-10-26130
  15. 2026-10-28131
  16. 2026-10-29133
  17. 2026-10-30139
Rating
unchanged since 30.09
reviewsrating 4.73 · 17 readings
  1. 2026-10-04reviews11rating4.73
  2. 2026-10-08reviews11rating4.73
  3. 2026-10-09reviews11rating4.73
  4. 2026-10-10reviews11rating4.73
  5. 2026-10-13reviews11rating4.73
  6. 2026-10-16reviews11rating4.73
  7. 2026-10-17reviews11rating4.73
  8. 2026-10-18reviews11rating4.73
  9. 2026-10-19reviews11rating4.73
  10. 2026-10-21reviews11rating4.73
  11. 2026-10-23reviews11rating4.73
  12. 2026-10-24reviews11rating4.73
  13. 2026-10-25reviews11rating4.73
  14. 2026-10-26reviews11rating4.73
  15. 2026-10-28reviews11rating4.73
  16. 2026-10-29reviews11rating4.73
  17. 2026-10-30reviews11rating4.73
Users
+85 since 01.09
54-139 · 31 readings
  1. 2026-09-0154
  2. 2026-09-0355
  3. 2026-09-0558
  4. 2026-09-0659
  5. 2026-09-0760
  6. 2026-09-0964
  7. 2026-09-1066
  8. 2026-09-1371
  9. 2026-09-1576
  10. 2026-09-1778
  11. 2026-09-2086
  12. 2026-09-2585
  13. 2026-09-2788
  14. 2026-09-2890
  15. 2026-10-04108
  16. 2026-10-08104
  17. 2026-10-09110
  18. 2026-10-10112
  19. 2026-10-13115
  20. 2026-10-16120
  21. 2026-10-17122
  22. 2026-10-18127
  23. 2026-10-19123
  24. 2026-10-21127
  25. 2026-10-23124
  26. 2026-10-24128
  27. 2026-10-25127
  28. 2026-10-26130
  29. 2026-10-28131
  30. 2026-10-29133
  31. 2026-10-30139
Rating
+0.73 since 01.09
reviewsrating 4.00-4.73 · 31 readings
  1. 2026-09-01reviews3rating4.00
  2. 2026-09-03reviews3rating4.00
  3. 2026-09-05reviews3rating4.00
  4. 2026-09-06reviews3rating4.00
  5. 2026-09-07reviews3rating4.00
  6. 2026-09-09reviews3rating4.00
  7. 2026-09-10reviews3rating4.00
  8. 2026-09-13reviews11rating4.73
  9. 2026-09-15reviews11rating4.73
  10. 2026-09-17reviews11rating4.73
  11. 2026-09-20reviews11rating4.73
  12. 2026-09-25reviews11rating4.73
  13. 2026-09-27reviews11rating4.73
  14. 2026-09-28reviews11rating4.73
  15. 2026-10-04reviews11rating4.73
  16. 2026-10-08reviews11rating4.73
  17. 2026-10-09reviews11rating4.73
  18. 2026-10-10reviews11rating4.73
  19. 2026-10-13reviews11rating4.73
  20. 2026-10-16reviews11rating4.73
  21. 2026-10-17reviews11rating4.73
  22. 2026-10-18reviews11rating4.73
  23. 2026-10-19reviews11rating4.73
  24. 2026-10-21reviews11rating4.73
  25. 2026-10-23reviews11rating4.73
  26. 2026-10-24reviews11rating4.73
  27. 2026-10-25reviews11rating4.73
  28. 2026-10-26reviews11rating4.73
  29. 2026-10-28reviews11rating4.73
  30. 2026-10-29reviews11rating4.73
  31. 2026-10-30reviews11rating4.73

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Act on the current tab, but only after you click it activeTab
  • Open a panel beside the page sidePanel

The full permission history for this extension

What changed recently

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

The publisher

Cupcake Development publishes 6 listings we track, 4k users between them. Listed website: cupcakedev.com.

  1. AI Usage Tracker: Claude & Codex Limits Cupcake Development · Productivity · Developer · published 2026-05-24 3k users ★ 4.2
  2. Coupon AI: Automatic Coupons, Promo Codes & Discount Finder Cupcake Development · Lifestyle · Shopping · published 2026-01-01 1k users ★ 5.0
  3. AI Assistant, Local & On-Device — NanoChat Cupcake Development · Productivity · Tools · published 2026-02-20 93 users ★ 5.0
Show 2 more from this publisher
  1. Color Picker & Font Inspector — StyleDrop Cupcake Development · Productivity · Developer · published 2026-06-07 52 users ★ 5.0
  2. SmartShopping Demo MV3 Cupcake Development · Lifestyle · Shopping · published 2021-09-27 13 users

Like this one

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

  1. ShopAI Assistant Describes nearly the same job, smaller audience 32 users ★ 5.0
  2. SmartShop AI - Price Comparison & Deal Alerts Describes nearly the same job, smaller audience 7 users
  3. ShopSmartAI - Price Comparison Describes nearly the same job, smaller audience 3 users (last published figure)
  4. Get Cheaper Describes nearly the same job, smaller audience 122 users ★ 5.0
  5. ChatGPT Shopping Assistant: Price Comparison Tool (ShopGPT) Describes nearly the same job, smaller audience 63 users ★ 4.2

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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/bfjoifajfppojfnoejnikhmcdgecjifj/badge.svg)](https://extops.dev/extensions/bfjoifajfppojfnoejnikhmcdgecjifj)

HTML

<a href="https://extops.dev/extensions/bfjoifajfppojfnoejnikhmcdgecjifj"><img src="https://extops.dev/extensions/bfjoifajfppojfnoejnikhmcdgecjifj/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built