App review Rejection for in-app purchase and login

From Apple
3. 1.1 Business: Payments - In-App Purchase
4. 8 Design: Sign in with Apple
Guideline 3.1.1 - Business - Payments - In-App Purchase


Your app unlocks or enables additional functionality with mechanisms other than the App Store, which is not appropriate for the App Store.

Next Steps

To resolve this issue, please remove this feature from your app.



Guideline 4.8 - Design - Sign in with Apple


We noticed that your app uses a third-party login service but does not offer Sign in with Apple.

Next Steps

To resolve this issue, please revise your app to offer Sign in with Apple as an equivalent login option.


I Dont understand why i need to remove my in-app purchase function. I added that because i need it. please help me to fix this