1.) Tap on More (...) in the lower right of your screen on iOS/Android and lower left on cloze.com.
2.) Tap on Settings
3.) Tap on Notifications to expand the section. In this section you can select adjust your app badge count.
4.) Scroll down to App Badge Count and select from the list what you would like to display for the Cloze badge count.
Note: In this example "Notifications" is selected. With this selected Cloze will alert you to new keep-in-touch reminders, to-dos that are due, email opens and other reminders.