Tapdaq & AppLovin can track your users In App Purchases, to pass the data do the following:
NSString *itemName; // Name of the item purchased
double itemPrice; // Price of the purchase
NSString *currency; // 3 Character currency code
NSString *locale; // Retreive from device e.g. en_GB
NSString *storeTransactionId; // Retrieve identifier from your SKPaymentTransaction
NSString *storeProductId; // Retrieve productIdentifier from your SKProduct
[[Tapdaq sharedSession] trackPurchaseForProductName:itemName
price:itemPrice
priceLocale:locale
currency:currency
transactionId:storeTransactionId
productId:storeProductId;
If you are having any problems integrating, feel free to contact us on [email protected] and we will be more than happy to help.