The SDI app is a useful tool for Muslims to follow the daily Salah timings, find the location of Qibla, and check out a list of other essential information. It is the most comprehensive guide for those who want to follow the Salah, learn the five pillars of Islam, and find out about the five most important events in the history of mankind.

It contains a calendar that shows the Salah timings for the year, a map to help the user find the location of Qibla, and a list of all the events that have occurred in the history of mankind. It also contains a description of the five pillars of Islam and a brief explanation of what they mean.