AliPrice - AliExpress Price Tracker app lets you track the price history of any item from many online retailers like AliExpress, Daraz, and Amazon, etc.
Giftwhale - Giftwhale allows you to create personalised wish lists online.
idealo - Idealo is a free to use mobile application that helps you to find products, compare price and make an informed decision.
Wantt - Create & share wish lists for free
Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.
Anywish.app - Collect gift ideas for your loved ones and share your own wishlists. Add items from any online store. The perfect list maker for Christmas and other events!