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Privacy-first smart shopping assistant - Detect fake reviews, compare prices, and shop smarter. BuyWise is a free fake review detector for Amazon, Walmart, Target, Best Buy, and eBay. Spot fake reviews instantly and get an A-F trust grade on any product before you buy. HOW IT WORKS 1. Visit any product page on a supported site 2. See a trust grade badge (A-F) instantly 3. Open the side panel for a detailed breakdown FAKE REVIEW DETECTION BuyWise detects: • Fake and incentivized reviews • Unverified purchase clustering • Copy-paste and bot-generated reviews • Suspicious rating patterns • Seller manipulation signals PRICE COMPARISON Compare prices across all 5 retailers for the same product. PRIVACY-FIRST No account required. No browsing history collected. No ads or affiliate links. Offline mode available for fully local analysis. FREE TO USE • Unlimited trust grade badges on all retailers • 3 free deep analyses per day • No credit card, no trial — free forever Paid plans available for more daily analyses and advanced signals. SUPPORTED SITES Amazon (US, UK, CA, DE, FR, IT, ES, IN, AU), Walmart, Target, Best Buy, eBay. Stop trusting fake reviews. Install BuyWise today What's new in 1.3.0: - Compare products side by side: every product you deep-check joins a Compare drawer showing grade, review trust, flagged and verified reviews, and price, with the best in each marked. - A clearer TrustScore: grades now weigh review trust, seller trust, listing quality and deal quality together. - Keeps working with Amazon's latest changes: search results still get grades when Amazon hides individual reviews from signed-out visitors, using Amazon's "Customers say" highlights. - Sign in with Google: free accounts include 3 deep checks a day, and paid plans raise the limit. - More reliable reviews and prices, a "Reload to update" banner when a new version is ready, and many fixes and security improvements.
Oct 22, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.