Russian Orthodox Prayer Book is a free Android app developed by Mirko Martinović, designed for those looking for a comprehensive collection of prayers. The app is compatible with Android 9.0 and above and falls under the Education & Reference category, specifically Books.

The app boasts an extensive list of prayers, including Ottchje nasch, Iisusova molitva, Psalom 50, Psalom 67, Psalom 90, and many more. The prayer list is well-organized and easy to navigate, making it convenient for users to find the prayers they need.

The app also features an ad-free version, which can be downloaded from the Google Play Store. If you enjoy using this app, the developer encourages you to leave a kind review and rating. Additionally, the developer is open to suggestions and requests for new prayers to be added in future updates.