A. 1. Review the earning criteria: Check the app's FAQ or help section to understand how coins are earned. Ensure you are following the guidelines correctly. 2. Log out and log back in: Sometimes, logging out of your account and logging back in can refresh the system and correct any inconsistencies in coin earning.

B. 3. Clear app data: If possible, clear the app's data from your iPhone settings to reset any potential glitches affecting the coin system.