Les 40 Rabbana is an iPhone application developed by amin senouci. It falls under the lifestyle category and is available for free. This app allows users to learn the 40 Rabbana invocations from the Holy Quran.

The app provides a simple ranking system that allows users to directly access the desired Quranic invocation. Once selected, the invocation is displayed in Arabic, French, and Transliteration, making it easier for users to learn and understand. Users can also listen to the recitation by Mishary El Afasi by clicking on the "Listen" button. Additionally, there is an option to mark invocations as learned by clicking on the star icon.