FULLVO is an Android app that allows users to make calls with other app users. It requires a network connection for usage. The app is free to download and use, but it's important to note that the "free" refers to the absence of a separate fee for using the app itself. Users may still incur network data charges based on their individual mobile service plans.

With FULLVO, users can enjoy the convenience of making calls to other app users without using traditional phone networks. This can be particularly useful for those who have friends or family members who also have the app installed. The app provides a platform for communication that is independent of traditional phone carriers.

To use FULLVO, users simply need to have the app installed on their Android device and be connected to a network. The app provides a simple and intuitive interface for making calls, making it accessible to users of all levels of technical expertise.

Overall, FULLVO offers a convenient way for Android users to make calls with other app users. It provides an alternative to traditional phone networks and can be a useful tool for staying connected with friends and family.