Kitab Qurrotul Uyun and Fathul Izar are two books that cover various aspects of married life. The app, developed by Kampung Pulo, provides a comprehensive guide to all things related to marriage, from prenuptial agreements to maintaining a happy and healthy relationship with your spouse.

The app's interface is user-friendly, making it easy to navigate and find the information you need. The content is well-organized, and the app provides a search function to help you find specific topics quickly. The app is free to download and use, making it accessible to anyone seeking guidance on marriage-related matters.

Overall, Kitab Qurrotul Uyun is a useful app for anyone seeking guidance on building and maintaining a happy and healthy marriage. The app is well-designed, easy to use, and contains valuable information for individuals and couples alike.