NanoPrice — AI Price Comparison & Deal Finder

Compare prices and find the best deals on any product page with on-device AI. Free, private, no sign-up.

NanoPrice is a free AI price comparison and deal finder that helps you compare prices and find the lowest price on any product in seconds. Open any product page in any online store, click once, and NanoPrice's on-device AI instantly compares prices across hundreds of stores to find you the best deal. Stop overpaying. Whether you're shopping for electronics, fashion, home goods, toys, or anything else, NanoPrice checks the market and shows you where to buy it cheaper. HOW IT WORKS 1. Browse to any product in any online store. 2. Click "Find Best Deals" in the side panel. 3. Compare ranked offers and go straight to the cheapest store. KEY FEATURES • AI price comparison — understands the exact product, not just keywords, for accurate matches. • Compare prices across hundreds of stores via Google Shopping. • Find the lowest price and the biggest discounts instantly. • Clean side panel with the best deals ranked for you. • 100% private — the AI runs locally with Chrome's built-in Gemini Nano. Your browsing never leaves your device. • Completely free — no account, no sign-up, no tracking, no ads. NanoPrice is your smart shopping assistant and price checker for online shopping. Install it free and let AI find the best price every time you shop. NanoPrice is open source: https://github.com/cupcakedev/nanoprice-extension