Khulfa e Rashideen in Urdu is an Islamic book app developed by PakApps - Pakistani Urdu Apps for Android users. This educational app is designed to help readers learn about the Khulfa-e-Rashideen, who were the first four caliphs of Islam. The app has many exciting features that make it stand out from other Islamic book apps.

One of the most notable features of this app is that it can be used both online and offline. Users can download graphics for offline reading and cancel downloading anytime before completion and can read already downloaded pages. The app also has day and night reading modes, pinch zoom, swipe left or right for moving on to the next or previous pages, and the GOTO feature that allows users to jump on specific pages. Moreover, it auto-saves the last read page position for the Resume Reading feature.

The app has a user-friendly interface with beautiful and high-quality graphics. The app is free to download and use, but it is supported by advertisements. In conclusion, Khulfa e Rashideen in Urdu is an excellent Islamic book app that is perfect for users who want to learn about the Khulfa-e-Rashideen in an easy and accessible way.