One of the App Store Foundation's goal is to make AppCoins available for everyone, and that's why users that don't own APPC can make payments with credit cards.

Below you can see a live log of express conversion exchange transactions. Every time a user makes an in-app purchase with a credit card, we will convert the fiat currency into APPC via (Conversion). Those APPC will then be transferred to the BDS account (Withdrawal). You can see all of these transactions in this page.

Time APPC Bought ETH Cost Exchange Rate
2018-Nov-18 06:34am 40 0.016904 0.000423
2018-Nov-18 06:30am 51 0.0216444 0.000424
2018-Nov-17 03:45pm 51 0.0216903 0.000425
2018-Nov-17 08:25am 529 0.2210691 0.000418
2018-Nov-17 08:25am 529 0.2210691 0.000418
2018-Nov-17 07:45am 661 0.2776327 0.00042
2018-Nov-17 07:44am 661 0.2772895 0.00042
2018-Nov-17 07:44am 661 0.2770123 0.000419
2018-Nov-17 07:31am 265 0.1113265 0.00042
2018-Nov-17 07:30am 133 0.0558334 0.00042

From October 1st, the App Store Foundation has an Incentives Program available for developers that integrate APPC billing system. With a 10,000 APPC reward at the moment of integrating and a weekly reward of 125,000 APPC, it’s a great opportunity for developers to see the advantages of distributing and monetizing apps through blockchain technology.