Yolla Calls - an app for cheap international calls
Get +15% extra credits with YLPLUS15 promo code
Download the Yolla calling app for Android or iOS
https://play.google.com/store/apps/details?id=com.yollacalls
https://apps.apple.com/US/app/id985702286Sign up with your phone number
Enter promo code YLPLUS15 before the purchase.
Purchase calling credits and get +15% extra
rate looks good. does anyone have experience with the quality?