Walkie Talkie: Kids Version is a free Android app developed by Option F. It allows users to turn their mobile phones into walkie talkies and connect to another device via Wi-Fi. The app comes with four different skins suitable for kids, but can be used by everyone.

This app allows users to connect two Android devices over Wi-Fi, and multiple pairs of devices can be connected to one Wi-Fi. Users can press and hold the button to talk, and incoming messages are accompanied by sounds. The app also features a signal strength bar and a screen with notification icons. However, it is important to note that this app is not ad-free.

Overall, Walkie Talkie: Kids Version is a simple and easy-to-use app that allows users to communicate with each other over Wi-Fi. It is a great option for parents who want to keep in touch with their children or for anyone who wants to use a walkie talkie without having to purchase one.