The app performs direct addition or subtraction of decibel (dB) levels. It converts sound levels to a linear scale using an antilog function for calculations.
by Dominique Brice★ 0.00 ratingsUtilities$0.99Data updated 2026-09-25
Measure sound levels using the built-in microphone. Display decibels in dBA with a digital readout. Show minimum, average, and maximum values. Visualize sound levels with a graph line.
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
Measure sound levels in decibels using device microphone. Display average, max, and min decibel values. Show real-time peak and average graphics. Calibrate for accurate readings. Choose measurement frequency. Record audio and save files.
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Measure ambient noise and levels in real time with readings and graphical displays. Track noise exposure over time using NIOSH or OSHA standards. View numerical and visual representations of levels.
Measure ambient in real time using the phone's microphone. Display decibel levels. Monitor household appliances like washing machines, refrigerators, and computers. Compare sound levels to assess potential hazards.
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.
Measure sound volume in real time with a meter. Display current sound level with a main indicator and digital dB value. Provide explanations for sound levels. Allow calibration of microphone settings.
Measure sound pressure levels precisely and easily.
The app transforms an iOS device into a sound level meter, measuring sound pressure levels. It offers features like Apple Watch support, Health app integration, and frequency analysis tools.
Perform basic math operations including addition, subtraction, multiplication, division, and percentage. Store and retrieve calculation results. Customize number, operator, parenthesis, and result colors. Enable touch sound for feedback.
Measures environmental noise and displays decibel values in real time. Shows current noise reference and min/avg/max dB levels. Displays dB as a gauge and graph line. Saves measured records for later review.
Measure environmental levels in real time using your device's microphone. Display readings accurately. Detect and monitor sound levels at home, work, or outdoors.