Task Killer is an Android app developed by AndroidRock (#2403, Building 12, Xiaolangfang, Guangyang, Langfang, Hebei province, China). Others apps created by AndroidRock are: Ringtone Maker, Call Blocker, Button Mapper, Shake Flashlight, Voice Changer.

Task Killer first became available on 26 Nov 2013. It is estimated that Task Killer has been downloaded between 1000000 and 5000000 times from the Play Store.