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.




209+ iOS apps curated and reviewed
Every iPhone needs a few good the oscillator apps. We benchmark 209+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.3★ (58) | No | No | Aug 2026 | |
| 2 | Free | 4.8★ (65) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.3★ (9) | No | No | Aug 2026 | |
| 4 | Free | 4.7★ (2.6K) | Yes | No | Aug 2026 | |
| 5 | Free | — | No | No | May 2026 | |
| 6 | Free | 4.7★ (2.2K) | No | Yes | Aug 2026 | |
| 7 | $0.99 | 3.7★ (3) | No | No | Aug 2026 | |
| 8 | Free | 4.0★ (7) | Yes | Yes | Aug 2026 |




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.

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.


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.




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.


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


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 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.


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 immersive soundscapes with ambient drone sounds and rhythmic loops. Layer sounds, utilize a real-time scale converter, and import your own audio. Enhance your compositions with advanced effects and share your unique musical creations.


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.


Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.




Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.


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.


Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.


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.


This app provides real-time Relative Strength Index (RSI) values for various financial instruments across multiple timeframes. It helps traders identify potential overbought or oversold market conditions on the go. Users can customize alert settings and access an economic calendar.