Measure vibrations using phone sensors to detect seismic activity or body tremors. Display readings on the modified Mercalli intensity scale. Calibrate the to set maximum values between 10-11. Provide reference comparisons for earthquake vibrations.
Ambient noise levels with a simple interface. Display one-minute average decibels in large text. Features clean design and free access. No additional functions or settings provided.
Detect noise levels in real time and receive alerts when exceeds safe thresholds. Test hearing loss and measure noise in cars or buildings. Compare noise levels against standards. Play calming music to aid focus and relaxation.