Chomper Chums stores account information and gameplay progress locally on your device.
To delete your account:
Open Chomper Chums.
Go to Settings → Account Settings.
Tap Delete Account.
Confirm the deletion.
Deleting your account permanently removes:
Username
Password
Brushing Progress
XP
Levels
Streaks
Statistics
Game Settings
Since all data is stored locally on your device, deleting your account permanently removes all associated data from the device.