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Seller Assistant

Seller Assistant — Amazon Product Research Tool

Amazon Seller Tools: FBM & FBA Calculator, IP Alert, Quick View, Stock Checker, Restrictions Checker, ASIN Grabber, Side Panel View

★★★★★4.5 (268) · 40k+ users
Free$15.99/moPremium
Website ↗ Chrome Web Store ↗
what mrrlens sees
MRR · Estimated$3k–16k
Opportunity—
Buyer threads · 30 d0
“The side panel is much slower than before, fee calculations are often incorrect until I refresh several times, and now products I am approved to sell are incorrectly showing a red locked icon.”
#1 complaint · Bugs/Reliability · 60% of complaints read · analysed Oct 29, 2026 · source

01Revenue

$3k–16k

A month · the formula and every input are below

How this range is computed

active users × paid conversion × monthly price

  • monthly price: $16
  • active users: 40k
  • 0.5%–2.5% of active users pay

A range from public signals and the listed price, not a claim about the company’s books. Methodology.

Store data from the Chrome Web Store listing, refreshed daily. Updated 6 h ago.

02Why users leave Seller Assistant

Bugs/Reliability3 reviews · 60%

Side panel slower; fee calculations often wrong until repeated refreshes; approved products incorrectly show red locked icon.

“The side panel is much slower than before, fee calculations are often incorrect until I refresh several times, and now products I am approved to sell are incorrectly showing a red locked icon.” source ↗
2 more complaints, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 5 recent complaints (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Nov 2024–Aug 2026, almost all in the last 24 months · each review labelled by a model, quotes verbatim

03How to build a better Seller Assistant

Build difficultyMediumMain factors: Amazon data access, browser-extension platform approval, and reliable fee/restriction integrations.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
Unlock

04Who wants a better Seller Assistant

0 buyer threads in the last 30 days name Seller Assistant, and 2 more are in the same market.

05Questions about Seller Assistant

How much revenue does Seller Assistant make?

MRRLens estimates Seller Assistant at $3k–16k a month (low confidence). The range comes from public signals (active users × paid conversion × monthly price), not from the company's books; the formula and its inputs are shown on this page.

What do users complain about most in Seller Assistant?

Across 5 recent complaints, the most common is bugs/reliability (60%). Side panel slower; fee calculations often wrong until repeated refreshes; approved products incorrectly show red locked icon.

How many people use Seller Assistant?

Seller Assistant lists 40k+ users on the Chrome Web Store, rated 4.5 (268).

See the full x-ray of Seller Assistant

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.