How can I know if I'm using private frameworks?

Question

I am developing an app for the App Store. However it is in an early stage, and not ready to be submitted to iTunes Connect (Needs things like screenshots, app icons, support

Answer 1

#import <IOKit/IOKit.h>

Will get rejection. Check https://github.com/ChimpStudios/App-Scanner

Answer 2

You can use appscanner https://github.com/ChimpStudios/App-Scanner

From developer description

App Scanner is a preflight submission check list for iOS developers. It searches code for private API usage. It is not perfect.

Other ways are listed here How does Apple know you are using private API?