Get the pro version to setup "do not disturb" hours.
https://play.google.com/store/apps/details?id=com.UpstageInteractive.VibratingWatchPro
Vibrates n times on the hour to tell you what time it is, and optionally once on the half hour.
Designed for my Omate TrueSmart Smart Watch, but will work fine on anything that can vibrate.
Get the pro version to setup "do not disturb" hours.
https://play.google.com/store/apps/details?id=com.UpstageInteractive.VibratingWatchPro
