Halo Ustadz is an Android application developed by Baitut Tholabah Foundation, available for free in the Education & Reference category. The app provides a telecommunication service with various features that guide users in their worship and daily life. It also offers daily content updates with information on how to conduct oneself according to Islamic Shariah.

The app was launched to provide easy access to knowledge on how to perform religious obligations, conduct oneself in society, maintain good family relations, and solve various life problems by Islamic Shariah. The app has received tremendous support from the community, and it is a great platform for sharing knowledge and providing guidance to those in need.