الكتاب المقدس - العهدين is an iPhone application developed by Firas Moussa. It falls under the category of Education & Reference, specifically in the Books subcategory. This free application provides access to the Old and New Testaments of the Bible.

The main features of this program include the ability to navigate between books and chapters quickly and easily. It also offers an automatic reading feature, allowing users to listen to the text being read out loud. The search function is available to facilitate finding specific passages, and users can copy and share verses as well. Additionally, the app allows users to save the current page as an image and offers an English interface.

Furthermore, the application offers games to aid in memorization and provides the option to change the app's color scheme to one of twelve different colors. It also includes 150 short stories.

With its user-friendly interface and various features, الكتاب المقدس - العهدين is a valuable tool for those seeking to study and engage with the Bible on their iPhones.