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FBA calculator for Amazon Sellers : SellerApp

Chrome extension by sellerapp-dev · Productivity · Workflow

  • Featured
  • Established publisher

A Chrome extension in Productivity · Workflow with 70 000 users, an established extension.

Specific sites only: 28 match patterns.

What the developer says, and 2 screenshots

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

Users
70 000
Rating
4.1 (166 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
4.0.3
Updated in the store
2026-08-19
Published
2017-10-11
Manifest
V3
Browser access
1 permission, 28 site patterns

How it has moved

Users
unchanged since 01.09
70k · 2 readings
  1. 2026-09-0170k
  2. 2026-09-1570k
Rating
unchanged since 01.09
reviewsrating 4.12 · 2 readings
  1. 2026-09-01reviews166rating4.12
  2. 2026-09-15reviews166rating4.12
Users
unchanged since 01.09
70k · 2 readings
  1. 2026-09-0170k
  2. 2026-09-1570k
Rating
unchanged since 01.09
reviewsrating 4.12 · 2 readings
  1. 2026-09-01reviews166rating4.12
  2. 2026-09-15reviews166rating4.12

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: 28 match patterns.

  • *://*.amazon.com/*
  • *://*.amazon.ca/*
  • *://*.amazon.com.mx/*
Show the remaining 9
  • *://*.amazon.com.br/*
  • *://*.amazon.co.uk/*
  • *://*.amazon.de/*
  • *://*.amazon.fr/*
  • *://*.amazon.it/*
  • *://*.amazon.es/*
  • *://*.amazon.nl/*
  • *://*.amazon.se/*
  • *://*.amazon.pl/*
  • 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

sellerapp-dev publishes 6 listings we track, 136k users between them. Listed website: sellerapp.com.

  1. Amazon Keyword Tool for free : SellerApp sellerapp-dev · Productivity · Workflow · published 2017-10-11 30k users ★ 4.5
  2. SellerApp: Supercharge your Amazon Sales sellerapp-dev · Productivity · Workflow · published 2017-11-29 20k users ★ 4.6
  3. Amazon Index Checker sellerapp-dev · Productivity · Workflow · published 2019-01-23 10k users ★ 4.2
Show 2 more from this publisher
  1. Amazon Review Request Tool sellerapp-dev · Productivity · Developer · published 2019-12-10 6k users ★ 3.5
  2. Amazon SellerApp Utility Extension sellerapp-dev · Productivity · Tools · published 2026-01-09 49 users

Like this one

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

  1. Amazon FBA Calculator Free by AMZScout Describes nearly the same job, with a large installed audience 100k users ★ 4.2
  2. FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep Describes nearly the same job, smaller audience 90 users
  3. Verimargin - Amazon FBA Profit & Fee Calculator Describes nearly the same job, smaller audience 6 users (last published figure)
  4. Mettra Profit Calculator Describes nearly the same job, smaller audience 1 user
  5. AMZ Profit Calculator | Ecomstal Describes nearly the same job, smaller audience 112 users ★ 4.6

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.

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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.