Apps Like Decibel Meter Master for iPhone and iPad
Measure noise levels with your iPhone
Measure sound levels using iPhone's microphone. Display readings in real time. Log noise data and view historical trends. Set custom volume alerts. Share measurements via email or social media.
by 燕辉 冯★ 4.63,183 ratingsUtilitiesFreeData updated 2026-09-13
Measure rotational speed using flicker frequency analysis. Adjust frequency with precision up to 1000 Hz. Detect stationary motion by matching flicker rates. Control connected flashlight for testing. View frequency and RPM values in real time.
Measure spectrum to determine dominant in nanometers, frequency in terahertz, and period length in femtoseconds. Analyze sources to identify primary color wavelengths and associated properties.
EMF Meter measures electromagnetic fields using the device’s magnetometer. Displays real-time graphs of EMF levels. Allows users to detect and analyze field strength in their environment.
Track speed in real-time with GPS for cars and bikes. View speed in mph and kmh using a HUD display. Set speed alerts and log trips. Monitor routes and receive accurate speed readings. Sync data for trip analysis.
Convert device into a versatile finder for quick measurements. Measure degrees and angles for high or low- tasks. Use protractor and finder tools for accurate readings. Sync with device sensors for real-time feedback.
Detect cameras and microphones by scanning Bluetooth devices and Wi-Fi networks. Identify suspicious lenses using magnetometer data. Lock and disable detected devices to secure personal space.
Detect electromagnetic fields using phone compass. Measure magnetic and electric fluctuations. Identify sources of interference. Calibrate for accurate readings. Display real-time field strength. Save and share measurement data.
The app transforms a smartphone into a sound and vibration detection tool when used with specially designed hardware kits. It assists technicians in locating defective or worn parts in machinery by detecting sounds and vibrations.