Typetalk displays notifications on application icons so that you can easily notice Mentions and Direct Messages. The displayed badges differ according to the application you are using, as listed below.
On Windows/Mac, the number of unread Mentions and Direct Messages are displayed on the badge. If there are unread messages in your My Topics, they are indicated with a dot on the badge.
No updates to display
Unread mentions and/or DMs
On the iOS app, the badge number displayed depends on the type of push notifications enabled in your mobile notification settings.
No mentions and/or DMs or when the notification setting is set to “Don’t show notifications”