CTT Duas is an iPhone application that offers over 200 categorized Duas for supplication or prayer in Islam. This free app provides a user-friendly experience with features like search functionality in Arabic and English, highlighted search results, and the ability to save favorite Duas for quick access. It also includes Dua translations, transliterations, references, and customizable font sizes for easy reading across all IOS device sizes.

Furthermore, CTT Duas supports Arabic audio playback with variable speed options for listening, audio loop capability for memorization, and easy sharing of Duas via social media or email. With multilingual support in English, Arabic, and partial French and Spanish, this app aims to enhance the spiritual experience of its users.