The Gus Baha Offline application is an application that we designed to be used by gus baha muhibbins in preaching.

Gus Baha whose real name is KH. Bahauddin Nursalim since childhood has been educated with religious knowledge because his father KH. Nursalim al-Hafizh is a scholar from the Rembang area of ​​Central Java, the caretaker of the al-Anwar Islamic boarding school which is now continued by Gus Baha. Gus Baha is a favorite student of Hadratus Shaykh Maimoen Zubair, who besides being a religious figure is also an Indonesian political figure. Gus baha's mastery of religious knowledge is very capable so he gets a lot of praise. for example from Ustadz Adi Hidayat (UAH), Ustadz Abdul Somad (UAS). Even the commentator Prof, Quraish Shihab praised him. Gus Baha is a rare figure because of his mastery in both Tafseer and Fiqh. The delivery method is also simple even for heavy themes, not Belibet. His logic and intelligence increasingly make him a figure who enlightens the people.