KSA Phone book is a phone directory app developed by Khalil Rumman that is available for Android users. It offers a convenient way to search for contact numbers of banks, pharmacies, hotels, and restaurants in Saudi Arabia. The app has a simple interface and is available in both English and Arabic languages.

One of the best features of KSA Phone book is that it allows users to make calls directly from the app. You can also add frequently used numbers to your favorite list for quick access. Additionally, the app allows for sharing of numbers with friends and family.

Overall, KSA Phone book is a useful app for those who frequently need to make calls to businesses in Saudi Arabia. Its simple interface and direct call feature make it easy to use, while the ability to add numbers to a favorite list and share them with others is a plus.