The Traveler

Android

Free

https://play.google.com/store/apps/details?id=edu.bsu.android.apps.traveler&referrer=utm_source%3D42matters.com%26utm_medium%3DWidgetWeb

 

LokLok: Connected Lock Screen

Android

Free

https://play.google.com/store/apps/details?id=co.loklok

 

Wiper Messenger

iPad, iPhone, Android

Free

 

https://itunes.apple.com/us/app/wiper-messenger-private-texts/id828356683?mt=8

https://play.google.com/store/apps/details?id=com.gowiper.android