"Sheikh Saied bin Ali bin Wahf al-Qahtani Library" is a free Android application developed by Smartech IT Solution. The app is an extensive collection of Sheikh Saied bin Ali bin Wahf's books in PDF and text formats available in several languages. The app features an attractive bookshelf design that allows users to browse books based on categories and search for books using the search bar. Users can also browse through the Table of Content of the books.

The app enables users to highlight text, add notes, and bookmarks to the books, and share abstracts or parts of the books. Users can continue reading from where they left off and download books in text or PDF format. The app also features an advanced PDF viewer and allows users to manage and remove downloaded books.