Fake review checker for Amazon
StarSkew checks the rating pattern of every Amazon product page you open and shows a badge beside the stars. It is free, needs no account, and tells you which rule fired rather than asking you to trust a score.
Chrome and Edge on desktop. Works on 10 Amazon marketplaces.
What a review checker can actually check
Review manipulation leaves two kinds of evidence. There is evidence in the text — recycled phrasing, implausible enthusiasm, reviewer accounts that rate forty unrelated products in a week. And there is evidence in the numbers — a perfect average that no real buyer population produces, a review count that quintuples in a fortnight, a star breakdown with no unhappy customers in it.
StarSkew works entirely on the numbers. That is a real limitation and also the reason it needs no account, no cloud analysis of what you read, and no trust in a black box: every rule is arithmetic you can check by hand on the same page.
The four verdicts
Four rules each add points to a 0–100 risk score. One unusual number is not enough to leave green — it takes a second pattern.
Looks Genuine
None of the rules fired, or only the weakest one did.
Mixed Signals
One pattern fired. Worth reading the reviews yourself.
Unusual Patterns
Two or more patterns at once. A warning, not a verdict.
Not enough reviews
Under 20 reviews, so there is nothing meaningful to score.
The exact thresholds — which average, how many reviews, what growth rate — are all published on the signals page.
What it will not tell you
It never reads review text, so it cannot detect AI-written reviews, farmed reviewer accounts, or a hijacked listing whose old reviews describe a different product. A patient seller collecting incentivized reviews slowly produces an organic-looking curve and passes cleanly.
A green badge means “these four rules did not fire”, not “these reviews are real”. A red badge means the pattern is statistically unusual, not that a seller did anything wrong. For the parts that need a human, see how to spot fake Amazon reviews yourself.
What it does with your data
No account, no ads, no analytics, no affiliate links. The extension sends the product ID and the public rating numbers from pages you open, and nothing else. IP addresses are used for rate limiting in memory and are never stored raw. Full detail is in the privacy policy.
Coming from Fakespot?
Fakespot shut down on July 1, 2025, and StarSkew covers part of what it did — the numeric part, not the text analysis. The comparison is here.
Free forever. Uninstalling takes one click and leaves nothing behind.