An application of audio lessons for the book The Word of Tawheed contains 12 audio lessons on monotheism written and taught by the preacher Abu Abdul Rahman Qayed bin Ghanem Al-Shabra. This book was presented by:

- His Eminence Sheikh Salim bin Eid Al-Hilali
- His Eminence Sheikh Abdul Hamid bin Yahya Al-Hajouri Al-Zakari
- His Eminence Sheikh Abi Al-Yaman Adnan bin Hussein Al-Masqari

The application aims to deepen your understanding of the concept of monotheism in Islam through audio lessons explaining different aspects of monotheism, with a scientific explanation supported by Sharia evidence.