Earthquake Detector is a free Android application developed by Learning World. As the name suggests, it is designed to detect earthquake vibrations and alert the user accordingly. The app's simple GUI makes it easy to use for anyone.

The app can be used as a vibrations detector and can detect earthquakes based on their level. This feature is particularly useful for those living in areas prone to earthquakes as it provides an early warning system. The app's simple interface also makes it easy to understand and use. Overall, Earthquake Detector is a useful tool for those who want to stay alert and prepared in case of an earthquake.