Ustadz Menjawab Online is an Android application that offers a comprehensive collection of Islamic resources for users. The app sources its content from the PISS-KTB server, which provides thousands of contemporary questions and answers on topics such as tauhid, fiqih, hadits, tafsir, and syariah consultation. This app is an excellent representation of the Islamic study forum called "ustadz menjawab" or "santri menjawab," which features fatwa from salaf Sunni scholars who adhere to the Quran and Sunnah of Prophet Muhammad.

This app stands out from other Islamic reference apps because of its daily updates and extensive search capabilities. Users can search for topics and titles with ease, and the search results include both the title and the content of the documents. Additionally, users can zoom in and out of articles, save articles for later reading, and share them with others. Overall, Ustadz Menjawab Online is a great app for anyone seeking a comprehensive and up-to-date Islamic reference tool.