This app presents a mobile phone version of asbabun nuzul that has been enhanced for easy reading.

The asbabun nuzul in this application is the by al-wahidi.

Asbab al-Nuzul is Occasions or circumstances of revelation names the historical context in which Quranic verses were revealed from the perspective of traditional Islam. Though of some use in reconstructing the Qur'an's historicity, asbāb is by nature an exegetical rather than a historiographical genre, and as such usually associates the verses it explicates with general situations rather than specific events. The study of asbāb al-nuzūl is part of the study of Tafsir. - wikipedia