A MUST have app for RAMADAN 2020. Dhikr & Dua is a collection of 262 authentic dhikr and duas found in the holy Quran and Sunnah. The app has a simple, clean and elegant design with many useful features such as audio recitation, favourites, categories, dua of the day notifications, search and share duas. Features. More than 260 authentic duas from Quran & Sunnah.