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 ![CartLens](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_6f68ce687a5036277e00a7764b8224bc/cartlens.png "CartLens")
](/products/cartlens/reviews)

# CartLens Discussions

CartLens is a crowdsourced price comparison app for physical stores. Before buying, shoppers scan a price tag at the shelf to see if the price is fair and where it is cheaper nearby. After checkout, they scan a receipt to check what they paid, see where it would have been cheaper, and build their history. CartLens works with any store and any category, including grocery, pharmacy, electronics, hardware and apparel. Local comparisons depend on shopper scans and are available where data exists. Prices for the same product can differ between nearby physical stores. CartLens turns scanned price tags and receipts into local price comparisons, helping shoppers evaluate a shelf price before buying and review a completed purchase afterwards. Its shared price index, the Geospatial Lattice, is built from scans by real shoppers nearby rather than web scrapers or delivery apps. CartLens uses AI-powered camera capture to read items and prices from receipts and price tags. It extracts product information and normalizes item names for comparison. Shoppers can check a price at the shelf, review a receipt after checkout, compare available nearby prices, and track their own price history. Features and history access depend on the plan. Crowdsourced sharing is anonymized, on by default and easy to turn off in Settings → App Preferences → Crowdsourced Prices. Shared scans improve the Geospatial Lattice for shoppers nearby. Results depend on the amount and freshness of local data. When a trip is deleted, it is removed from the user's history and anonymized, with records retained for Lattice density, analytics and statistics. Users can choose to erase that trip's receipt image and photos. The current Privacy Policy and Terms of Service at https://www.cartlens.co/privacy and https://www.cartlens.co/terms govern data handling.

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