One simple class to handle whole AppStore rating asking process for you
Simply drag and drop AppStoreReviewManager file to your project and that's it.
Now You can call AppStoreReviewManager().askForReviewNow() or AppStoreReviewManager().askForReviewAfter(100)//days
Apple has it's own restrictions on showing this pop up and they will handle it for you. You can read more at: https://developer.apple.com/documentation/storekit/skstorereviewcontroller/requesting_app_store_reviews