1. Track historical price any items on aliexpress and dhgate;
2. Compare price with different seller with same product;
3. Mail you when item price drop alert;
4. Analyze seller;
5. Search by image with aliprice.com
This is a web link, if you have want to use chrome extension, please go to:
https://chrome.google.com/webstore/detail/aliexpress-shopping-assis/hihlaoogegdjakmdbpbilijdghoggkim