The app converts between musical notes, frequencies, and wavelengths. It includes an oscillator to hear frequencies and a frequency tracker that displays the audio waveform.
by Dave Guerin★ 5.01 ratingsUtilities$2.99Data updated 2026-09-19
Use the built-in dog with adjustable frequency up to 40000 Hz. Access a dog with multiple sound options. Follow training lessons for and training. Listen to animal sounds for guidance.
The app displays audio frequencies up to 20 kHz on an iPad, iPhone, or iPod Touch. Users can adjust frequency span, FFT size, and apply filtering for smoothing.
Detects tuning notes for string instruments. Generates tones for practice. Displays precise frequencies in hertz. Supports , ukulele, violin, viola, and cello. Syncs with Apple Watch and iPhone.
Adjust strings to precise frequencies with real-time Hz display. Access A4 temperaments between 392Hz and 466Hz. Use a virtual tuning fork and advanced settings for fine-tuning. Receive visual feedback via LED indicator and lit string display.
Track sung notes in real time using a visual interface. Adjust accuracy with feedback. Practice singing exercises to improve control and confidence. Sync with audio sources for reference. Display note names and deviations during performance.
Nd play tones across 50 to 20,000 Hertz. Adjust frequency, volume, and waveform in real-time. Measure ambient noise levels in decibels. Share noise data. Test speaker performance with sound waves.
The app provides real-time audio analysis for musicians and recording engineers. It enables portable, precision audio measurement and visualization for tasks like room or speaker tuning.
Convert audio signals into visual representations by mapping frequencies to colors and musical notes. Display real-time patterns based on detected sounds. Allow users to explore and interact with music through visual feedback.
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.
Sound frequencies with adjustable error range. Detect pitch, intonation, and interval of sounds. Compare frequency measurements for accuracy. Save and analyze sound data for musical analysis.
Measure spectrum to determine dominant in nanometers, frequency in terahertz, and period length in femtoseconds. Analyze sources to identify primary color wavelengths and associated properties.
Create and customize sounds using a wavetable synth with an intuitive interface. Access 300 factory presets. Adjust waveforms, modulation, and effects. Save and recall custom patches. Limit to 8 voice polyphony.
Practice ear with custom exercises based on user-selected songs. Identify notes, intervals, and chords. Track progress over time. Adjust difficulty levels. Export sessions for review.
Visualize real-time audio frequencies with a spectrogram and spectrum analyzer. Adjust sample rate and frequency resolution. Identify sound frequencies, measure vocal range, and analyze audio input.
Generate custom frequency sounds with adjustable range and duration. Create scripts for repeating sequences of tones and durations. Tune through a range of frequencies with set durations for each.
The app provides real-time audio analysis for musicians and recording engineers. It offers octave band analysis, FFT plots, and a spectrograph for sound visualization and measurement.
Tune strings with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork feature and advanced settings via in- purchase. LED indicator highlights tuned strings. Supports standard and drop D tunings.
Allows users to generate tones across a 0 to 20,000 hertz range. It includes preloaded sounds for various uses. Users can switch audio output between device speakers and external outputs. The provides visualizations of sound waves in real time.