كتاب التوحيد is a comprehensive book on Islamic doctrine by Sheikh Muhammad ibn Abd al-Wahhab. The book is available on Android and is developed by Dehbi Studio. It falls under the category of Education & Reference and subcategory of Books. This free app is an excellent resource for anyone who wants to learn about Islamic theology.

The app contains 66 chapters covering various topics on Islamic doctrine. It aims to help readers understand the concept of Tawheed or the Oneness of Allah, which is the foundation of Islam. The app is user-friendly and easy to navigate, making it accessible to anyone who wants to learn about Islamic theology.