How relevant is the MKStoreKit library for purchases in iOS7, what are its analogues?

Question

iOS

You need to quickly set up in-app purchases. There were no updates in MKStoreKit for 1-2 years. Can this library be used now?
How does it work with iOS 7? How are the pitfalls? What are the analogs for quick setup of in-app purchases?

Answer 1

Native shopping tools are certainly not super clear, but there are super-detailed tutorials on them. You just do whatever it is.

Answer 2

I use RMStore - a lightweight and understandable library