As of my last update in October 2023, there isn't a legitimate app or service that allows you to receive free VAT (Value Added Tax) on UK Amazon orders or any other purchases legally. VAT is a tax imposed by the government, and it is required to be collected on goods and services sold in the UK.
If you are looking for ways to save on purchases, consider the following legitimate options:
1. **Look for Discounts and Coupons:** Websites and apps