This is the new version of the Tesco Bank and Clubcard Pay app. The app has been redesigned and improved, so you’ll now have a more user-friendly experience. 
This free app will help you manage your Tesco Bank Clubcard Pay+ account, credit card, savings account, or loan on the go.

This app can help you to:

Make and receive payments using any of your registered payment cards or bank cards. You can pay by entering a payment amount, using a payment card or bank card.
View, edit, and update your payment and credit card information. This application is made free.