Top Ups refers to the part of your wallet where you can add credit for your account.
All functions at a glance:
+ Redeem Promo Codes
+ Purchase Top Ups
+ Gift Top Ups to friends
+ 10€ credit via the friend referral bonus.
👉 Good to know: You can find the link to the friend referral bonus directly in the menu! Just click on the white button "Invite friends & get 10€" and you can invite friends to use MILES via your personal link. As a reward you’ll both receive 10€ credit. 😎