GACA is a mobile application developed by Unit One Group for the General Authority of Civil Affairs in Saudi Arabia. The app aims to provide a convenient and transparent communication channel between the authority and the citizens, allowing them to access their transactions and updates in real-time.

With GACA, users can easily track their transactions and get notified about any updates or changes made to their requests. The app is designed to be user-friendly, with a simple interface that provides easy navigation and access to all the necessary features.

Overall, GACA is a useful tool for anyone who needs to interact with the General Authority of Civil Affairs in Saudi Arabia. It provides a convenient and efficient way to access and track civil affairs transactions, making the process much easier and less time-consuming. The app is available for free on the Android platform.