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.
by Eisaku Nozu★ 4.316 ratingsUtilitiesFreeData updated 2026-09-10
Record with high quality for meetings, personal notes, speeches, lectures, and songs. Save recordings without time limits. Manage files directly on internal storage. Adjust settings for optimal sound clarity.
AudioTools offers SPL measurement, RTA analysis, FFT visualization, and speaker polarity testing. Includes a generator, scope, CLF viewer, and recorder. Allows adding optional modules for advanced acoustic analysis and customization.
Analyze real-time audio for musical scale, , octave, frequency, and waveform. Measure vocal range and detect Do, Re, Mi. Practice accuracy and tune instruments. Pause analysis to review results. Display waveform and frequency data for voice training.
Generate clean with speaker boost and waveforms. Adjust volume and frequency settings. Create custom profiles. Access advanced features with a subscription.
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.
Analyze signals with real-time octave RTA. Display frequency response using RMS values across full, 1/3, 1/6, and 1/12 bands. Measure SPL in dBFS. Support FFT with adjustable window sizes. Sample at 44.1kHz, 48kHz, or 96kHz.
Oscilloscope mode displays real-time waveforms with automatic and single-shot triggering. Measures frequency, period, and amplitude automatically or manually. Spectrum analyzer mode identifies frequency components and amplitude 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.
The app analyzes the frequency spectrum of ambient noise and sets the level of PA systems. It displays audio in 1/3 Octave Bands, Octave Bands, and Fast Fourier Transform (FFT).
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.
Analyzes phone accelerometer data to build spectra. Evaluates strength, frequency, and rotational speed of mechanisms like fans and motors. Helps assess the performance and quality of rotating components.
Allows plotting of polar, cartesian, and parametric equations with unlimited expressions. Users can add sliders for function transformations, create tables for data input, and animate graphs.
Nd play waves with customizable settings from 1Hz to 22000Hz. Choose between sine, square, sawtooth, or triangle waveforms. Adjust volume and playback duration. Save and share generated files.
Sound levels with SPL metrics including current average, peak, average maximum, and absolute maximum. Display graph histograms for adjustable settings. Save measurements and reset max values by tapping. Support upside down orientation for easy use.
Automate clicks, curve swipes, and pinch gestures on custom web pages or games. Set custom durations for repetitive actions. Perform tasks like web browsing, gaming, or reading with automated touch inputs.
Measure sound levels with SPL meter and RT60 analysis for room reverberation. Analyze frequency spectra using spectrogram and octave modes. nd test audio signals with white/pink noise, sine, and sweep options.
Use camera to magnify objects. Switch between front and back cameras for mode with light bars. Tap to freeze image and adjust brightness and contrast. Pinch to zoom, rotate, and pan. Save final image to Photos.
Provides precise tuning for various instruments including guitar, violin, piano, and flute. It detects pitch and displays frequency. Users can adjust tuning settings and save custom presets.
Control Bluetooth-enabled units remotely. Adjust volume and schedule auto-on/auto-off. Calibrate for nursery use. Turn unit on/off manually. Manage settings for sleep environment optimization.