It has become a known fact that Apple has created walls of standards around the App Store. And if any app, no matter which parent company it belongs to, lacks from even a single point, faces rejection or removal from Apple, almost instantly.
Now, to ensure that it doesn't happen with yours too, here's an app submission checklist you should follow for Apple store.
For quick roundup, look out for -
- Your App should not have any content that is discriminatory, defamatory, or in any way humiliate or intimidate anyone.
- There should be a process around the user generated content
- Parental gate for apps in kids category
- Clear Developer information
- Proper Metadata
- App should not be in beta mode.
There are a number of factors that you should consider, all of which have been explained in much detail in the article linked above.