Müqəddəs Kitab is a free Bible app developed by Andrey Evdokimov for Android users. It contains Bible translations for various Caucasian ethnicities, predominantly living in Azerbaijan. The app also features the Bible in Azerbaijani Cyrillic, Russian, English, and Turkish languages. Moreover, it includes the New Testament in Lezgian, Avar, and Talysh languages.

The app's interface is user-friendly, and the translations are accurate and easy to read. It is an excellent resource for Azerbaijanis who want to study the Bible in their native language. However, there are no additional features like audio or video content, and the app does not provide any commentary or study notes. Overall, Müqəddəs Kitab is an excellent app for anyone looking for a Bible app in Azerbaijani languages.