X-Finder is a free Android app developed by Nanjing Yuanhou Electronic Co. Ltd. that allows users to connect to the X-Finder sonar fish finder. With this app, you can easily see everything under the water on your screen, making fishing much more fun and exciting.

The app is straightforward to use and offers an intuitive interface. Once connected to the X-Finder sonar fish finder, the app displays a clear image of everything under the water. It also provides detailed information about the location, depth, and even the size of the fish. Overall, X-Finder is a must-have app for any fishing enthusiast looking to enhance their fishing experience.