If you want to delete your account, please click here to go to your account page, where you can delete your data. You can also just log in to your account page and go to "My Data" in the menu.
You can only delete your data once your subscription has been cancelled and you no longer have access to BookBeat. If you have questions or need help deleting your data, please contact our customer support at help@bookbeat.com.
If you only want to cancel your subscription and not delete all of your data, you can do that under "My Account" in the "Subscription" section on your account page.