Generate tones and noise with adjustable lowpass filters and panning. Choose from sine, triangle, sawtooth, and square waveforms. Precisely tune frequencies in Hz or MIDI notes.




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Every iPhone needs a few good the oscillator apps. We benchmark 190+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.




Generate tones and noise with adjustable lowpass filters and panning. Choose from sine, triangle, sawtooth, and square waveforms. Precisely tune frequencies in Hz or MIDI notes.




Generate multiple audio signals with adjustable waveforms, frequencies, and volumes for each channel. Offers presets for guitar and bass tuning, with options to expand channel support.





Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.




This app is a triangle wave synthesizer that can be used as an educational tool for learning synthesis or as a creative instrument for generating pure triangle waves. It supports MIDI input and AUv3 integration, allowing layering with other synths for complex sound textures.


Generate simple audio tones with four distinct waveforms including sine, square, saw, and white noise. Control frequency, panning, and amplitude with intuitive sliders and numeric input. Ideal for testing audio or creating experimental music.


Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.


This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.


Create personalized binaural beats for sleep, focus, and meditation. Adjust frequencies to generate custom soundscapes for relaxation or alertness. Requires headphones for optimal experience.


Generate a wide range of audio tones with adjustable frequencies and waveforms. Control playback in the background, from your notification drawer, or lock screen. The app automatically pauses for calls and alarms, and allows you to save custom presets.


Generate test tones and observe real-time waveform changes. Explore frequency, volume, filters, and modulation effects for audio experiments and learning synthesizer basics.


Analyze and generate audio signals with this app, featuring an oscilloscope for real-time waveform visualization and a spectrum analyzer for frequency analysis. It also includes a synthesizer for creating AM/FM modulated audio.


This app offers precise chromatic tuning for a wide range of instruments with a clear, visual interface. It features advanced algorithms for accurate detection of notes, including those with overtones and vibrato, making it suitable for both tuning and intonation practice.


This app is a comprehensive music practice and performance toolkit. It offers multiple modes including a tuner, metronome, recorder, setlist manager, and loop practice. All features can work simultaneously with the metronome, providing a versatile tool for musicians.


Learn drum rhythms with a library of play-along music loops. Adjust tempo, instrument mix, and follow notation or audio examples. Ideal for beginner and intermediate drummers.


This app translates visual information from your camera into sound using spectral synthesis. Control the sound's amplitude, type, and speed by interacting with the screen and camera feed. Record any generated sound with a simple button press.


This utility app visualizes structure-borne swings caused by construction machinery, helping to identify potentially damaging vibrations. It offers real-time display, adjustable presentation modes, and diagram freezing for clear analysis.


Swing a ragdoll character through a neon cityscape using ropes. Aim for buildings to throw and release ropes, then land on targets to complete levels. Discover power-ups to overcome challenges.


This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.


Generate a variety of custom color noises, including brown, pink, white, blue, and violet. Fine-tune your audio experience with low and high cut filters. This app offers a simple interface that remembers your settings for quick, personalized sound generation.