1. freedom in-app purchase
a very good app that easily allows you to buy inapp purchase that are linked to playstore checkout. it inputs a fake credit card and forces google play to authorize the purchase.wont work for in app purchases that use other methods. get it from here
just start the app and launch the app you want from there and proceed to buy what you want.
best app for cracking on android. with updates roling out within days of each update, new features are being added.now in newer versions of the app, you can buy any in app purchase for free, whether through google playstore checkout or other forms. install modded playstore with this and have full acces to your favorite apps.it even detects if an in app purchase is available and gives you options when you attempt to buy, with no need of patching it before.
download it here
note: none of these apps will work for premium apps in playstore, or games with purchases. you wont be able to buy a paid app or buy items in server based games.