The app measures sound levels using a digital display for sound power and an analog display for fast mode. It also features real-time FFT frequency analysis with highlighted predominant frequencies and their power.
by Fabien Lefebvre★ 4.860 ratingsUtilities$3.99Data updated 2026-10-04
Displays sound waveforms and spectra using Fourier transform. Identifies frequency characteristics and detects peaks. Supports pinch zoom gestures for detailed analysis. Assists in sound adjustment and howling prevention.
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.
Detects and displays pitch in real time. Users can tune instruments by viewing pitch offset. It offers a wide range of pitch detection and responsive tuning feedback.
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.
GPS-based digital displays current speed during driving, flying, cycling, or boating. Shows head-up display mode on car dashboard. Displays maximum speed limit and road name. Includes linear compass for direction.
The app analyzes sound pressure levels and provides real-time frequency analysis. It plots sound levels over time and can record audio for playback to identify sound events.
Measure sound levels with precise readings. Detect exposure risks and set safety alerts. Record audio clips for analysis. View real-time sound wave visualizations. Share measurements and recordings. Sync data across devices.
Tune instruments with precision and frequency meter
Tune instruments like guitar, piano, and violin with a . Generate tones and adjust frequencies for voice training. Display tuning systems including equal temperament and Pythagorean.
Analyze analog devices with 7+ measurements including frequency response, distortion, and noise. Connect via USB. Export results as reports. Compare measurements against standards. Monitor real-time signals.
Detect electromagnetic fields in real time using your phone's sensors. Identify risk zones in workspaces, bedrooms, and living areas. Measure EMF levels from devices like computers, fridges, and phones.
Tune with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork and advanced settings via in- purchase. LED indicator lights up tuned strings automatically. Supports standard and drop D tunings.
The app provides a real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a Signal Generator. Users can view audio spectrums, waveforms, sound pressure levels, and generate sine waves or noise.
Test phone speakers with tones ranging from 0 Hz to 25 kHz. Use manual or automatic mode to assess performance. Perform stereo tests to evaluate sound quality. Clean speakers by generating frequencies to remove dust and buildup.
Generate tones between 50 Hz and 30,000 Hz for testing or tuning. Track environmental noise levels and detect harmful sound pressure. from phone speakers using sound waves to restore sound clarity.
Use sound waves to remove from speakers. Generate custom tones with adjustable frequencies and waveform shapes. Repel pests using specific sound frequencies. Test stereo sound output and measure ambient noise levels.