Ruler, Sound Meter Pro

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 through
Note: Power Tools only runs on devices that have a compass and a light meter.