SellerSprite
Shows product, keyword and competitor data on Amazon pages to help sellers research niches and optimise listings.
Chrome extension
Shows price history and cheaper listings for products on Chinese and US shopping sites, flags coupons, and uses AI to sum up negative reviews.
Gwdang (购物党) shows price history and compares prices for the product you are viewing on major Chinese and US shopping sites. It is aimed at online shoppers who want to spot fake discounts, find coupons and see common complaints before buying.
Open a product page on a supported shopping site and Gwdang shows price history, comparisons and coupon tips. Price-drop alerts are delivered through WeChat.
The interface and store listing are in Chinese, and it is geared to Chinese shopping platforms, though some US sites are supported. Drop alerts rely on WeChat.