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
Analyzes audio using Fast Fourier Transform to display amplitude vs. frequency graphs. Displays detailed spectral analysis in octaves. Supports iOS microphone or external microphones for accurate measurements.
Udio signals with adjustable parameters and frequency up to 20 kHz. Create single signals, sweeps, or merged signals. Control duty cycle, frequency, and waveform type. Export generated audio files.
Identify musical notes using device microphone. Display frequency and pitch in real time. Tune instruments or voice with visual feedback. Track history for accuracy improvement. Supports piano and other instruments.
The app provides acoustical analysis for iOS devices. It offers octave and 1/3 octave modes with selectable decay times, Peak Hold, and true linear Average mode.
Tune strings with frequency display in Hz. Use A4 calibration, tuning fork, or in- purchases for settings. Load tuning instantly with 64-bit optimization. Receive visual feedback with LED indicators for each string.
Adjust strings with real-time frequency display in Hz. Supports 4 and 5 string basses. Instant tuning with fast load times. Shows visual indicators for tuned strings. Includes LED tuning status. Compatible with iPhone, iPad, and iPod touch.
Measure and analyze sound with real-time decibel readings and color-coded safety indicators. Track minimum, maximum, and average levels. Save measurements with location and notes. Receive warnings at dangerous sound levels.
The app provides professional-grade sound level measurement for iPad, iPhone, or iPod touch. It includes modes like Slow, Fast, Impulse, Peak, and Leq, along with A and C weighting and 10 octave band filters.
Tune strings with frequency display in Hz. Access chords via two swipes. Load tunings instantly for 64-bit optimization. Use tuning fork for ear-based tuning. Features LED indicator and visual feedback for string status.
Tune strings with precise frequency display in Hz. Adjust A4 temperaments between 392Hz and 466Hz. Includes tuning fork and advanced settings available via in- purchase. Features LED indicator for visual feedback and automatic string lighting.
Test performance by playing calibration tones. Identify muffled sounds through frequency testing. Adjust volume and orientation for accurate results. Choose models for targeted testing. Subscribe for advanced features.
Adjust audio levels with a compressor and limiter. Control low, mid, and high frequencies with separate knobs. Apply transparent compression to vocals and mixes. Export processed audio files.
A tuning with auto noise filtering. Select frequency and tuning settings. Display pitch for each string as high or low. Calibrate piano sound by clicking an open string. Adjust A4 frequency between 428 and 452.