The app transforms an iPhone into a sound level meter, offering dual-input measurement and a contextual reference guide. It provides long-term data logging for up to 12 hours and allows for CSV file export.
by Matthias Schorer★ 5.02 ratingsUtilities$5.99Data updated 2026-09-10
Measures sound intensity in real time with decibel accuracy. Displays minimum, maximum, and average noise levels. Shows noise-time graphs for analysis. Allows microphone calibration for precise readings. Supports background and screen-off operation.
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.
Allows recording audio on iPhone, iPad, or Apple Watch. Users can trim, replace, or save recordings as new files. Transcription converts speech to text for easy reference. Vocal layers can be added to existing recordings.
Measure sound levels with a decibel meter that displays current, maximum, and average values. View values on a gauge and in a graph. Set and track sound level measurements. Share results directly. No in- purchases required.
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 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 sound levels using dBA and dBC scales. Detect levels accurately with pre-calibrated sensors. Log and analyze data. Set sound level alerts. Export measurements for review.
Measure ambient noise levels and display readings. Show detection location and time. Export audio recordings for sharing. Provide reference data for noise level awareness. Not a substitute for professional equipment.
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.
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.
Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
Measure and record levels with precision using A, C, and Z frequency weighting. Track levels in real time. Log and analyze data for environmental monitoring or equipment calibration. Export measurements and set alerts for noise thresholds.
Sound levels with SPL metrics including current average, peak, average maximum, and absolute maximum. Display graph histograms for level changes. Save measurements and reset maximum values by tapping. Support upside down orientation for easy use.
Generate sound waves and customize audio frequencies
Create and visualize sound waves with frequency control from 0Hz to 22,000Hz. Measure decibels to assess noise levels. Emit ultrasonic frequencies to deter insects. Toggle between light and dark interface themes.
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
Record and audio files with options for normal, preset time, and mix recording modes. Transcribe meetings, interviews, and conversations in real time. Save and organize recordings with built-in note-taking features.
Generate pure tones, frequencies, and waveforms for and headphone testing. Customize frequency ranges and noise types. Perform audio quality tests and analyze sound output. Save and share test results.