AppLock is an Android app developed by DoMobile Lab (19H Maxgrand Plaza, No.3 Tai Yau Street, San Po Kong, Kowloon Hong Kong). Others apps created by DoMobile Lab are: MixNote NotePad Notes.

AppLock first became available on 31 Oct 2013. It is estimated that AppLock has been downloaded between 100000000 and 500000000 times from the Play Store.