Repeating Notifications description

Reminds you of missed calls, unseen text messages¹, and app notifications² by vibrating and/or playing a notification ringtone repeatedly.

¹ On Android 4.4 and later, enable app notifications for Hangouts.
² Only Android 4.3 and later - earlier versions do not provide access to app notifications.

Limitations:
- Repeating notifications will not be activated by notifications that arrive while the screen is on.
- Missed call notifications are only activated by the stock Android Phone app.
- Unread SMS message notifications are only activated by the stock Android Messaging app (no longer exists in Android 4.4+).