Best The Oscillator Apps

209+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated August 2026

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.

Compare top The Oscillator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The OscillatorThe OscillatorFree4.3★ (58)NoNoAug 2026
2Multiple Tone GeneratorMultiple Tone GeneratorFree4.8★ (65)YesYesAug 2026
3Oscillator 3 - TriangleOscillator 3 - TriangleFree4.3★ (9)NoNoAug 2026
4Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoAug 2026
5OscillatorsOscillatorsFreeNoNoMay 2026
6Audio Function GeneratorAudio Function GeneratorFree4.7★ (2.2K)NoYesAug 2026
7OscillatorOscillator$0.993.7★ (3)NoNoAug 2026
8波動 Hysteric Oscillator波動 Hysteric OscillatorFree4.0★ (7)YesYesAug 2026

Top Picks for The Oscillator

The Oscillator#1

The Oscillator by Kymatica AB

Tone and Noise Generator
Editor's Choice
🎵 Music
4.3(58 ratings)
Free
The Oscillator screenshot 1
The Oscillator screenshot 2
The Oscillator screenshot 3
The Oscillator screenshot 4

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.

Multiple Tone Generator#2

Multiple Tone Generator by Loop-Sessions.LLC.

Sine, Triangle, Squire, Saw
Strong Contender
🎵 Music
4.8(65 ratings)
FreeAdsIn-App Purchases
Multiple Tone Generator screenshot 1
Multiple Tone Generator screenshot 2
Multiple Tone Generator screenshot 3
Multiple Tone Generator screenshot 4

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.

Oscillator 3 - Triangle#3

Oscillator 3 - Triangle by Cooperator Design

Worth Considering
🎵 Music
4.3(9 ratings)
Free
Oscillator 3 - Triangle screenshot 1

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.

More The Oscillator apps to explore

4
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

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 sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
🎵 Music
(2.6K)
ad-supported
5
Oscillators
Oscillators
Oscillators
Fun with digital oscillators
Free
📚 Education
(0)
6
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

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 sine, square, triangle, and sawtooth tonesFrequency and volume sweep generationNoise generation (white, pink, violet, etc.)
🔧 Utilities
(2.2K)
free with in-app purchases
7
Oscillator
Oscillator
Oscillator
Simple Oscillator
$0.99

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.

Four waveforms (sine, square, saw, white noise)Exponential frequency controlNumeric frequency input
🎵 Music
(3)
paid
8
波動 Hysteric Oscillator
波動 Hysteric Oscillator
波動 Hysteric Oscillator
Oscillator with Waveform View
Free

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

Generate test tones and drone soundsReal-time waveform displayControl frequency, volume, and panning
🎵 Music
(7)
free with in-app purchases
9
Oscillator Drum Jams
Oscillator Drum Jams
Oscillator Drum Jams
Drum To Custom Tailored Loops
Free

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.

Play-along music loopsAdjustable tempoCustomizable instrument mix
🎵 Music
(11)
free with in-app purchases
10
Hamm Seismograph
Hamm Seismograph
Hamm Seismograph
by i-NOVATiON GmbH
Free

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.

Real-time swing displayAdjustable presentation modesLine width selection
🔧 Utilities
(17)
free
11
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
Audio / Spectrum Analyzer
RTA (FFT / Spectrogram)
Free
$10.99 | 100% OFF

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.

Simultaneous waveform and spectrum displayConfigurable display layoutsSelectable FFT size and averaging
🎵 Music
(1K)
free with in-app purchases
12
Drone Piano & Drum Loops
Drone Piano & Drum Loops
Drone Piano & Drum Loops
Worship Pad & Drum Loop Tracks
Free

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.

Rich drone sound libraryProfessionally crafted rhythmic loopsCustomizable soundscape layering
🎵 Music
(247)
subscription
13
Nature - Oscillator
Nature - Oscillator
Nature - Oscillator
by Alexander Zolotov
$1.99

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.

Camera-to-sound translationSpectral synthesisAdjustable scanning curve
🎵 Music
(19)
paid
14
FFTWave
FFTWave
FFTWave
by Eisaku Nozu
Free

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.

Microphone waveform displaySpectrum analysis via Fourier transformFrequency characteristic checking
🔧 Utilities
(15)
free
15
555 Timer & Oscillators Pro
555 Timer & Oscillators Pro
555 Timer & Oscillators Pro
Timer & Oscillators Toolkit
$4.99
📚 Education
(0)
16
MultiTone Generator
MultiTone Generator
MultiTone Generator
Frequency and Signal Generator
Free

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.

Generate sine, rectangular, triangular, and sawtooth wavesPlay frequency sweep test tonesSweep repeat/wobble function
🎵 Music
(355)
free with in-app purchases
17
Metronome Tuner | Practice+
Metronome Tuner | Practice+
Metronome Tuner | Practice+
Learn Music Effectively
Free

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.

Accurate tuner with large UIFull-featured metronomePitch player for intonation checks
🎵 Music
(2.8K)
free with in-app purchases
18
Tone Generator: Frequency App
Tone Generator: Frequency App
Tone Generator: Frequency App
Hearing Test, Speaker Cleaner
Free

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.

Sine, square, sawtooth, triangle wave generationAdjustable frequency via swipeBuilt-in hearing test sweep
🔧 Utilities
(138)
free with in-app purchases
19
Tone Generator EX
Tone Generator EX
Tone Generator EX
by An-Che Lee
Free

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.

Frequency range 15Hz to 22KHzSine, Square, Sawtooth, Triangle waveformsAuto-off timer
🔧 Utilities
(439)
ad-supported
20
Easy RSI
Easy RSI
Easy RSI
Momentum Oscillator for Forex
Free

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.

Real-time RSI values for popular instrumentsMultiple timeframes (M5 to D1)Customizable overbought/oversold levels
💰 Finance
(69)
free with in-app purchases

FAQ about The Oscillator

What are the best the oscillator apps for iPhone?
The Oscillator tops our the oscillator apps ranking as of August 2026, with a 4.3-star average from 58 App Store ratings, and it's free to download.
Yes — 17 of the top the oscillator apps we rank are free to download, including The Oscillator and Multiple Tone Generator.
The Oscillator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 209+ the oscillator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Oscillator is a tone and noise generator app. It allows you to create various sounds using two oscillators and one noise generator, each equipped with individual lowpass filters and panning capabilities.
You can generate four distinct waveforms: sine, triangle, sawtooth, and square. These can be precisely tuned in Hertz or fractional MIDI note pitch, offering a wide range of sonic possibilities.