Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
4.5Vibration meter is an app called seismograph or seismometer. Vibration meter measure vibration, quakes, earthquakes, vibrations of any object. Graph presents a record of the ground motion at a measuring point. You can use this app as a simple seismic detector. features - Mercalli intensity scale / acceleration - Graph - Screen shot - Calibration
