據 AlphaMoat 統計,截至 2026-09,Chrome 外掛 AI Price Comparison for Shopping 使用者數為 90,環比 +69.8%,評分 4.7(11 人評價),在全部 9,324 款 AI 瀏覽器外掛中排名第 4,386 位,在「行業服務」分類(895 款)中排名第 396 位。
AI Price Comparison for Shopping 是什麼
Compare prices while you shop: product price checker, lowest price search and deal finder for any store. Free, no sign-up. AI price comparison for online shopping: compare product prices, check the price of the item you are viewing, and find better deals without leaving the page. NanoPrice is a free Chrome extension that finds the lowest price while you shop and opens matching offers from other stores right from the side panel.
Online prices change constantly, and the same laptop, phone, headphones, sneakers, toy, kitchen appliance, beauty product, or home accessory can cost noticeably less in another store. Instead of opening a dozen tabs and searching every shop by hand, you check the price once, in one panel, before you pay.
WHAT YOU CAN DO
- Compare prices across online stores for the product you are viewing.
- Find the lowest price and cheaper alternatives to the current offer.
- Check a product price before checkout, during sales, and on Black Friday or Cyber Monday.
- Discover discounts, sale prices, and better offers from other sellers.
- Decide whether the store you are on is actually a good place to buy.
- Save time on manual price search, comparison tabs, and shopping research.
HOW IT WORKS 1. Open any product page in any online store. 2. Open the NanoPrice side panel, or press Ctrl+Shift+Y (Cmd+Shift+Y on Mac). 3. Click "Find Best Deals". 4. NanoPrice reads the product from the page and identifies it with on-device AI. 5. It searches Google Shopping and ranks matching offers by price and store. 6. You pick the offer that suits you and open it in one click.
WHY SHOPPERS CHOOSE IT
展開其餘商店介紹▾
- AI product matching: compares the actual product, not just loose keywords, so results are close to what you are really buying.
- Lowest price search: hundreds of shopping results checked in seconds.
- Deal finder: cheaper offers, discounts, and sale prices in one clean panel.
- Price checker: useful before checkout, during promo season, and when comparing unfamiliar stores.
- On-device AI: product recognition runs locally with Chrome's built-in Gemini Nano.
- Truly free: no account, no sign-up, no subscription, no ads, no tracking.
- Open source: the full code is public and auditable.
WHERE IT WORKS NanoPrice works on product pages across online stores: marketplaces, electronics and computer shops, fashion and sneaker stores, home and kitchen retailers, beauty shops, toy and hobby stores, sports gear, pet supplies, books, and more. If a page shows a product, NanoPrice can look for a better price for it.
PRIVACY Product recognition happens on your device with Chrome's built-in AI. NanoPrice needs no account, collects no personal data, builds no shopping profile, and shows no ads. Comparison offers come from Google Shopping.
FAQ Is it free? Yes, completely free: no subscription, no in-app purchases. Do I need an account? No. Install it and start comparing prices. Which stores are supported? Any online store with a product page; the comparison offers come from Google Shopping. What are the requirements? Chrome 138 or newer with the built-in on-device AI model available. Chrome prompts you if the model still needs to be downloaded. Does it track my browsing? No tracking, no analytics profile, no ads. Does it change the store page? No. Results appear in the side panel and the page you shop on stays untouched.
Use NanoPrice for price comparison, price checking, lowest price search, deal hunting, and product research every time you shop online. Install it once and compare prices before you pay.
NanoPrice is open source: https://github.com/cupcakedev/nanoprice-extension
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資料月份:2026-09 · 使用者數與評分來自 Chrome 應用商店公開資料,按月聚合更新。口徑說明見資料方法。