WiFi Calling: VoWiFi is a free Android application developed by Tasil-H Game Studios. It enables users to make voice calls over Wi-Fi networks instead of using their carrier's network connection. The app is designed to help users access the hidden function of WiFi calling on their mobile phones that don't have any menu entry to enable it.

This app is useful for anyone who wants to make free voice calls over the internet without any cost. It offers unlimited call credits, and you can earn more credits by completing some fun tasks. With WiFi Calling: VoWiFi, users can easily enable WiFi calling by following some simple steps. First, start the app and click "WiFi Calling Settings." Then, click "WLAN calling," and enable it by clicking "ENABLE." Finally, click "WLAN preferred," and WiFi Calling is enabled.

It's important to note that this app will only work if your mobile carrier supports WiFi calling. If your device has the WiFi Calling feature, this app will open WiFi settings. However, the app does not claim any call over WiFi with its app. Overall, WiFi Calling: VoWiFi is a useful app for anyone who wants to make free voice calls over the internet without using their carrier's network connection.