التذكرة - للقرطبي is an Android app developed by So Smart Apps that allows users to read the complete book without the need for an internet connection. The app has various features such as a section for favorite chapters, a section for daily readings, and a side menu that contains all the chapters for easy navigation. Users can also change the font size, font color, and font style from a selection of 8 Arabic fonts.

In addition, users can customize the background color of the page from hundreds of colors and themes, select from dozens of pictorial backgrounds, and change the theme color from hundreds of colors. The app also has a feature that allows users to read in full-screen mode or regular mode and to switch to a comfortable night reading mode. Other features include the ability to copy or share any chapter, share the app, and set an automatic timer for reading. Lastly, users can also search for text within the chapter, reset the app settings to default, and take notes on the chapter. With the ability to save the last read chapter and position, التذكرة - للقرطبي is a great app for readers who want to read the complete book offline.