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Amazon FBA Profit Lens

Chrome extension by Constraint Lab · Productivity · Tools

A Chrome extension in Productivity · Tools with 17 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 8 match patterns.

What the developer says, and 4 screenshots

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

Users
17
Rating
not rated yet
Users, last 30 days
+1
Version
1.0.0
Updated in the store
2026-03-02
Published
2026-02-26
Manifest
V3
Browser access
8 site patterns

How it has moved

Users
+1 since 04.10
10-17 · 15 readings
  1. 2026-10-0416
  2. 2026-10-0813
  3. 2026-10-0914
  4. 2026-10-1013
  5. 2026-10-1112
  6. 2026-10-1611
  7. 2026-10-1910
  8. 2026-10-2113
  9. 2026-10-2212
  10. 2026-10-2411
  11. 2026-10-2510
  12. 2026-10-2813
  13. 2026-10-2917
  14. 2026-11-0117
  15. 2026-11-0317
Users
+3 since 31.08
0-17 · 27 readings
  1. 2026-08-3114
  2. 2026-09-0213
  3. 2026-09-0314
  4. 2026-09-0513
  5. 2026-09-0614
  6. 2026-09-0914
  7. 2026-09-130
  8. 2026-09-1513
  9. 2026-09-1712
  10. 2026-09-2110
  11. 2026-09-2511
  12. 2026-09-2613
  13. 2026-10-0416
  14. 2026-10-0813
  15. 2026-10-0914
  16. 2026-10-1013
  17. 2026-10-1112
  18. 2026-10-1611
  19. 2026-10-1910
  20. 2026-10-2113
  21. 2026-10-2212
  22. 2026-10-2411
  23. 2026-10-2510
  24. 2026-10-2813
  25. 2026-10-2917
  26. 2026-11-0117
  27. 2026-11-0317

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

Specific sites only: 8 match patterns.

  • https://*.amazon.com/*
  • https://*.amazon.co.uk/*
  • https://*.amazon.de/*
Show the remaining 5
  • https://*.amazon.fr/*
  • https://*.amazon.it/*
  • https://*.amazon.es/*
  • https://*.amazon.ca/*
  • https://*.amazon.co.jp/*

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

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

The publisher

Constraint Lab publishes 3 listings we track, 25 users between them.

  1. Amazon PPC Waste Detector Constraint Lab · Productivity · Tools · published 2026-03-13 5 users
  2. Shopify Store X-Ray Constraint Lab · Productivity · Tools · published 2026-03-02 3 users (last published figure)

Like this one

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

  1. Sellerview.ai Amazon FBA Profit Calculator Describes nearly the same job, smaller audience 22 users ★ 5.0
  2. FBA Profit Calculator Describes nearly the same job, smaller audience 2 users (last published figure)
  3. FBAZN — FBA Profit Calculator Describes nearly the same job, smaller audience 4 users
  4. MarginPal — Amazon FBA Profit Calculator Describes nearly the same job, smaller audience 1 user
  5. FBA Profit Calculator - Prep Fees & Shipping Describes nearly the same job, smaller audience 7 users (last published figure)

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/iphofjmpdjkpjjmkdhnajjfbchclkckk/badge.svg)](https://extops.dev/extensions/iphofjmpdjkpjjmkdhnajjfbchclkckk)

HTML

<a href="https://extops.dev/extensions/iphofjmpdjkpjjmkdhnajjfbchclkckk"><img src="https://extops.dev/extensions/iphofjmpdjkpjjmkdhnajjfbchclkckk/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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built