If you have trouble signing in Azar with Apple ID, please follow the instructions below.
1. Go to your iPhone/iPad device settings and click your name
2. Tap [Password & Security]
3. Click [Apple ID logins]
4. Select Azar and press [Stop using Apple ID]
5. Restart Azar and sign into the app again
You can find out more in detail by going to the iTunes support link below.
https://support.apple.com/HT210426