AliPrice - AliExpress Price Tracker app lets you track the price history of any item from many online retailers like AliExpress, Daraz, and Amazon, etc.

KOHO - KOHO is a place where you can access your money in real-time and get instant cashback.

idealo - Idealo is a free to use mobile application that helps you to find products, compare price and make an informed decision.

TopCashback - TopCashback names itself the UK’s most generous cashback site. They offer cashback on over 5,000 retailers with a variety of payment methods including gift cards, PayPal and bank transfer.

Camelcamelcamel - Easily monitor Amazon product prices and get alerts when they drop.

Upromise - Upromise is the cashback coupon and rebate site.