OnCall is a free Android app developed by OnCall Aja that serves as a marketplace for services in Indonesia. It connects users who need services with providers who offer them. The app allows users to order almost any service they need right from their phone screen. The main focus of OnCall is to provide convenience, security, and quality of service to its users.

The app offers a wide range of categories for services, including cleaning, beauty, automotive, and health. Users can browse through the list of providers, view their profiles, and select the provider that best suits their needs. OnCall also allows users to track their orders and communicate with the provider directly through the app.

Overall, OnCall is a great solution for those who need services in Indonesia. Its user-friendly interface, diverse categories, and secure payment system make it a reliable option for connecting users and providers.