To delete your account and all the related information from Tiny Tracker - Family Tracker , please enter the email that you have been registered to the app. Consider that by deleting your account, all the related information will be removed as well, and there is no way to get back those information.
In the future if you want to use the app again, you need to register again.
After entering your email, a Confirmation Code will send to your email. You should enter that code in the next page, to finalize the account deletion.