Smart Metal Detector is a free Android app developed by XIE ZHAO MING. It falls under the category of Utilities & Tools and aims to detect the presence of metal nearby by measuring the magnetic field value. With this app, you can easily locate wires in walls and iron pipes in the ground.

Using Smart Metal Detector is straightforward. Simply open the app and start moving around. The app will constantly measure the magnetic field levels, allowing you to identify areas with metal. It functions similar to stud finders for detecting wires in walls and can be useful for locating iron pipes buried underground.

It's important to note that the accuracy of Smart Metal Detector depends on the quality of your device's magnetic sensor, also known as a magnetometer. Additionally, it's worth mentioning that the readings can be influenced by electromagnetic waves emitted by electronic devices like TVs, PCs, and microwaves.

Overall, Smart Metal Detector provides a simple and convenient way to detect metal nearby using your Android device's magnetic sensor. Whether you're a DIY enthusiast or need to locate hidden wires, this app can be a handy tool.