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In-app purchases are enabled in Android apps by default, but you can change your settings so they don’t require authentication. When you turn off authentication for in-app purchases on your Android device, users will be able to make purchases without needing to enter payment information.
How do I use in-app purchases on Android?
Use a promo code for an in-app purchase
- Find the in-app purchase you want to apply the promo code to.
- Start the check-out process.
- Next to the payment method, tap the Down arrow .
- Tap Redeem.
- Follow the on-screen instructions to complete your purchase.
Does Android charge for in-app purchases?
The transaction fee for all purchases in Google Play (apps and in-app purchases) is 30% of the price the customer pays. In other words, developers get 70% of the payment and the remaining 30% goes to the distribution partner and operating fees.
