The كتاب الدعاء الاذكار IslamBook app is a free Android application developed by NewLearning. It falls under the Education & Reference category and the Books subcategory. This app is an excellent resource for Muslims looking to find a comprehensive collection of daily supplications, or "adhkar," all in one place.

The app contains a wide range of supplications, including morning and evening adhkar, prayers, supplications after prayer, and more. It also includes du'as from the Quran and the Prophet's Sunnah, supplications for various occasions, such as the adhkar for entering and leaving the mosque, for before and after sleeping, and for eating. The app also includes the supplications for Hajj and Umrah, the remembrance of Allah's beautiful names, and supplications for the deceased.

Overall, the كتاب الدعاء الاذكار IslamBook app is an excellent resource for Muslims seeking to improve their daily supplication and remembrance of Allah. It is easy to navigate, and the du'as are presented in Arabic with English transliteration, making it accessible to non-Arabic speakers.