WJAC is an Android app developed by Sinclair Digital Interactive Solutions (Sinclair Broadcast Group, Inc. 10706 Beaver Dam Road Hunt Valley, Maryland 21030). Others apps created by Sinclair Digital Interactive Solutions are: KATVWX, 3340 Weather, StormTrack 5.

WJAC first became available on 20 Dec 2013. It is estimated that WJAC has been downloaded between 10000 and 50000 times from the Play Store.