StarSift – Fake Review Checker

Spot fake and paid reviews on Amazon and Walmart. Get a trust grade and a fairer star rating, all inside your browser.

Is that 4.8★ product really that good? StarSift checks the reviews for you. Open any Amazon or Walmart product page and StarSift instantly gives you: ★ A trust grade from A to F ★ An adjusted star rating that discounts suspicious reviews ★ Plain-English reasons for the grade ★ A badge on each review: suspicious, worth a note, or looks genuine ★ Checks up to 100 of the newest reviews on Amazon, not just the few on the product page FULL BREAKDOWN, ONE CLICK - Star breakdown showing how many reviews at each star level look suspicious - Counts of copy-paste, AI-written, free-product and generic reviews - Share of reviews from verified buyers - The most suspicious reviews, with the reasons they were flagged WHAT IT CATCHES - Copy-paste reviews posted word-for-word - AI-written and generic "Great product! Highly recommend!" reviews - Reviews from people who got the product free or discounted - Unverified buyers - 5-star ratings on reviews that say the product broke - Bursts of reviews posted within a few days - Suspicious rating patterns (lots of 5★ and 1★, nothing in between) PRIVATE BY DESIGN Everything runs on your computer. No account, no tracking, no data sent anywhere. No affiliate links. WORKS ON Amazon and Walmart. Works best on English-language pages (Amazon US, UK, Canada, Australia, India, Singapore and Walmart). Other Amazon countries get partial checks. Sign in to Amazon so StarSift can read the full review pages. Made as a free replacement for shoppers who relied on Fakespot. Note: StarSift is an automated second opinion based on the reviews it can see. It can't prove a review is fake.