Power Tools is an all-in-one utility and metering app containing all the essential measuring tools you may require. Want to measure the sound level? Or maybe measure an item? Or even perhaps need a compass? Power tools is an easy to use app containing a ruler, sound meter, vibration meter, compass, light meter and a level meter. Its sound meter can be calibrated according to your device to ensure exact measurements. Below is the full feature list of Power Tools. Ruler with metric (cm) and imperial (inches) units. Sound meter with calibration option. Vibration meter with real-time graph. Compass for navigation. Light intensity measurement in lux. Level meter (bubble meter) to check surfaces are aligned properly. Incline meter with camera see throughNote: Power Tools only runs on devices that have a compass and a light meter.