Sirrin kulhuwallahu da Bismill is an Android application developed by shehumido. This app falls under the Education & Reference category and is completely free to use. The app provides users with an mp3 recitation of the famous Surah Al-Ikhlas, also known as Kulhuwallahu. It also includes the importance of reciting Bismillah before any action.

The app is designed to work offline, so there is no need for an internet connection to listen to the Surah. It has a simple and user-friendly interface that makes it easy to navigate the app. The audio quality is clear and audible, making it easy for users to listen and understand the Surah. Overall, Sirrin kulhuwallahu da Bismill is a useful app for those who want to learn and recite Surah Al-Ikhlas and understand the importance of Bismillah.