Крепость мусульманина, also known as "Fortress of the Muslim," is a well-known book that brings together the most important duas (prayers) for various situations in the life of a Muslim. This app allows you to conveniently access these duas on your iPhone, iPad, or iPod touch at any time. The app features a search function that enables you to find duas by chapter names or keywords. You can also save frequently used duas in the "Favorites" section for easy access.

One of the notable aspects of Крепость мусульманина is the accuracy and authenticity of the collected information. Every Muslim should strive to memorize the duas compiled in this book, and this app serves as a helpful tool in achieving that goal. It is worth mentioning that the app is available for free, and the developers only request that users recite the duas on their behalf. May the Almighty make this effort beneficial for all.

Please note that there are some typographical errors in the app's text (transliteration). If you come across any, kindly inform the developers at They plan to release an app update to address these issues in the near future.