Rumus Fiqih is a free Android application developed by Mobile Santri that contains the popular fiqh five madzhab formula. It offers Malikiyyah schools, hanafiyyah, syafi'iyyah, hanabilah, and zaidiyyah formulas along with the hadith formula, ushul fiqh. This application is a handy reference for anyone interested in learning and practicing Islamic jurisprudence.

With a simple and user-friendly interface, Rumus Fiqih is easy to navigate. The formulas are well-organized and easy to find. Users can easily switch between the different formulas and refer to them as needed. The application is regularly updated with the latest formulas, ensuring that users have access to the most up-to-date information.

Overall, Rumus Fiqih is a useful application for those who are interested in learning and practicing fiqh and hadith formulas. It is a great resource for students, scholars, and anyone who wants to deepen their understanding of Islamic jurisprudence.