There are several reasons that could cause users can not access advanced tools. As a temporary solution, try the following steps to fix the issue:
- Check if your device is connected with the same Apple ID that you purchased the subscription.
- Log out your Kdan ID and re-sign in with your Kdan ID (You have to create a Kdan ID to access Kdan’s services)
- Tap on the “Restore Previous Purchase” button to retrieve your previous purchases.