Download Simple IAP System Free Unity. 

Simple IAP System (SIS) simplifies In-App Purchase management. If you would like to sell in-app products for real money or virtual currency while maintaining a store inventory for your users, we’ve got you covered!

NEW: Steam, Facebook, PayPal and Oculus (Rift & GearVR) platform support. Please see the platform matrix screenshot for all supported stores.

Features:
* Simple-to-use IAP Settings Editor
* Real Money & Virtual Currency Purchasing
* Dynamic Shop Layout & Shop Templates
* Unity UI integration
* Localized Online Item Data from the stores
* Item Selection Modes (select/deselect)
* Locked Items based on Player Progress
* Local Storage of IAP Data and custom Data
* Client-Side Receipt Validation
* Virtual Reality sample scene for Oculus