Postknight is an Android app developed by Kurechii (B-03-02, Tamarind Square, Persiaran Multimedia, Cyber 10, 63000 Cyberjaya, Selangor, Malaysia.). Others apps created by Kurechii are: Postknight 2.

Postknight first became available on 08 Feb 2017. It is estimated that Postknight has been downloaded between 5000000 and 10000000 times from the Play Store.