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Description
See if a product is cheaper elsewhere. One click on any shop worldwide; automatic on Amazon, eBay and major retailers. See what a product costs elsewhere before you buy it. WEM Price Compare is a free price comparison tool that checks the same or a similar item at 10+ other major retailers and shows you the best price it finds, right where you are shopping. WORKS ON ANY SHOP — WORLDWIDE • One click, anywhere: on any product page, click the WEM icon and press "Compare this page's product". The extension reads the product details the page already publishes and looks for a better price. It only ever runs on that click — never in the background, never on its own. • Automatic on supported shops: open a product page at a supported retailer and the panel appears on its own with the best price found elsewhere. If you're already on the best deal, it says that too. The current list of supported shops is at wem3.ai/extension. WHAT ELSE IT DOES • Shops in your currency: .co.uk pages compare in pounds, .com pages compare in dollars. Savings are always like-for-like — never a £ price pretending to beat a $ price. • Matches by barcode, not guesswork: where a shop publishes the product's barcode (EAN/UPC), WEM looks up that exact item — so a 200ml spray is never compared against the 75ml bottle of the same range. • Match confidence + honest filters: we show why weak matches were hidden (accessories, brand/marketplace policy, title mismatch). • Shipping caution on cross-border listings, so a headline "cheaper" price is not trusted before checking delivery time and import costs. • 90-day price history on products WEM tracks, so you can tell a real discount from a "was" price that was never charged. • Watch this price: opens wem3.ai in a new tab where you can set an email alert for a drop. The extension itself never asks for your email. • Compact mode: prefer quiet? Turn off auto-expand and the panel collapses to a small pill showing just your potential saving. A TRANSPARENT ALTERNATIVE TO COUPON AND CASHBACK EXTENSIONS • Free forever — no account, no sign-up. • Privacy-friendly — no personal data, no browsing-history collection, no fingerprinting. The product's title, price and barcode are sent to wem3.ai only to fetch comparison results, and anonymous usage stats (a random install ID, never your identity) help us improve. • Honest by design — it never rewrites the links on a page, never injects coupon codes, and never overrides another publisher's inbound affiliate tag. Compare here first, then stack your usual coupon extension at checkout if you want codes. • Creator-safe — we only earn when you choose a different retailer through our panel. WEM may earn a commission when you buy through a link it shows you. It never changes the price you pay, and it never touches the affiliate credit of the site you were already on. Privacy policy: https://wem3.ai/privacy Affiliate disclosure: https://wem3.ai/disclosure Support: info@wem3.ai