购物党自动比价工具 is a free add-on for Chrome that provides a range of features to help users save money while shopping online. With this tool, users can automatically track the price history of products for up to 180 days, compare prices across different websites to find the lowest price, and receive notifications on promotions and hidden coupons. Additionally, the tool supports price comparison for a wide range of websites, including popular e-commerce platforms like Taobao, JD.com, Tmall, Suning, Dangdang, and Amazon, as well as Steam games and second-hand houses.

The main features of 购物党自动比价工具 include:

1. Price tracking for up to 180 days, allowing users to identify false promotions and track historical price information.

2. Automatic comparison of prices across multiple websites to find the lowest price and avoid overpaying.

3. Automatic notifications on promotions and hidden coupons, helping users save money whenever possible.

4. Support for wishlist tracking, with the ability to receive price drop notifications via WeChat.

5. Price comparison support for hundreds of websites, including popular e-commerce platforms and specific categories like Steam games and second-hand houses.

The latest update of 购物党自动比价工具 includes the addition of the "1688 Image Search" feature and bug fixes.

Please note that for any feedback or support, users can reach out to the developer via their WeChat official account, QQ customer service, email, or visit their website.

Overall, 购物党自动比价工具 is a useful Chrome add-on for price comparison and saving money while shopping online.