What payments methods can I use to purchase Diamonds? Ironangel Updated October 16, 2017 18:34 Follow All purchases are handled by either Google Play or the Apple App Store, depending on your device. Your method of payment for either store is what used for in-game purchases in Portal Quest. Apple Payment Methods Google Payment Methods Related articles How do I get more Heroes? What do the different VIP levels do? What is a Ladder Deal? What are the current known issues? How do I increase my Team Level? Comments 0 comments Article is closed for comments.