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Best Sine Wave Generator Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated August 2026

Tone Generator is the household name in sine wave generator, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Sine Wave Generator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoAug 2026
2Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoAug 2026
3Audio Function GeneratorAudio Function GeneratorFree4.7★ (2.2K)NoYesAug 2026
4sine wave generatorsine wave generatorFree4.1★ (34)YesNoAug 2026
5Wave GeneratorWave GeneratorFree—NoNoJun 2026
6Tone Generator EXTone Generator EXFree4.8★ (439)YesNoAug 2026
7PSG9000 Signal GeneratorPSG9000 Signal GeneratorFree—NoNoMay 2026
8Multiple Tone GeneratorMultiple Tone GeneratorFree4.8★ (65)YesYesAug 2026

Top Picks for Sine Wave Generator

Tone Generator: Audio Sound Hz#1

Tone Generator: Audio Sound Hz by TMSOFT

Generate Audio Frequency Waves
Editor's Choice
🎵 Music
4.7😊(2.6K ratings)
FreeAds
Tone Generator: Audio Sound Hz screenshot 1
Tone Generator: Audio Sound Hz screenshot 2
Tone Generator: Audio Sound Hz screenshot 3
Tone Generator: Audio Sound Hz screenshot 4
Tone Generator: Audio Sound Hz screenshot 5
Tone Generator: Audio Sound Hz screenshot 6

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.

What We Love

  • 👍 Simple and straightforward
  • 🚀 Works as expected
  • 💡 Useful for testing and tuning
  • 💡 Helps identify hearing range

Room to Improve

  • 🐛 Ads can interfere with usage
  • 🔧 Difficulty fine-tuning frequency
  • 🔧 No amplitude/volume display
Frequency: Sound Generator#2

Frequency: Sound Generator by Lucija Jaksic

Strong Contender
🔧 Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

What We Love

  • 👍 Simple and easy to use interface
  • 🎵 Accurate frequency generation
  • 💰 Free application
  • 🧘 Helpful for meditation and stress relief

Room to Improve

  • 📢 Intrusive and inappropriate advertisements
  • 🔊 Potential audio damage to speakers/hearing
  • 🔒 Privacy concerns and data collection issues
Audio Function Generator#3

Audio Function Generator by Thomas Gruber

Frequency and Signal Generator
Worth Considering
🔧 Utilities
4.7😐(2.2K ratings)
FreeIn-App Purchases
Audio Function Generator screenshot 1
Audio Function Generator screenshot 2
Audio Function Generator screenshot 3
Audio Function Generator screenshot 4
Audio Function Generator screenshot 5
Audio Function Generator screenshot 6

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.

What We Love

  • 👍 Great app
  • 🎶 Helps with Tinnitus
  • 💯 Best app I've paid for
  • 🔍 Highly recommended

Room to Improve

  • 🐛 Crashes
  • 💰 Deceptive/Money hungry
  • 🔒 Basic features paywalled

More Sine Wave Generator apps to explore

4
sine wave generator
sine wave generator
sine wave generator
by Yuji Yanase
Free

Generate sine waves using touch input, DTMF tones, or custom frequency and volume settings. This utility app offers multiple modes for creating audio signals.

Touch-based sine wave generationDTMF tone signal creationCustom frequency and volume input
🔧 Utilities
(34)
ad-supported
5
Wave Generator
Wave Generator
Wave Generator
by Ben Taylor Ltd
Free
🔧 Utilities
(0)
6
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
7
PSG9000 Signal Generator
PSG9000 Signal Generator
PSG9000 Signal Generator
JUNTEK
Free

This software allows users to control a programmable function and arbitrary wave signal generator. It can generate various waveforms up to 80MHz, with features like modulation, frequency sweep, and signal measurement. All output signal parameters are displayed simultaneously.

Generate sine, square, triangle, pulse, and arbitrary wavesFrequency range up to 80MHzModulation and frequency sweep functions
🔧 Utilities
(0)
free
8
Multiple Tone Generator
Multiple Tone Generator
Multiple Tone Generator
Sine, Triangle, Squire, Saw
Free

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.

Multiple audio channelsAdjustable waveforms (Sine, Triangle, Squire, Saw)Precise frequency control (20Hz - 20000Hz)
🎵 Music
(65)
free with in-app purchases
9
The Oscillator
The Oscillator
The Oscillator
Tone and Noise Generator
Free

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.

Two oscillatorsOne noise generatorIndividual lowpass filters
🎵 Music
(58)
paid
10
Tone Gen Pro
Tone Gen Pro
Tone Gen Pro
Advanced tone generator
Free

Create various audio signals, including single tones, sweeps, and merged sounds, with extensive parameter control. Ideal for students, musicians, educators, and audio professionals exploring sound.

Generate single type signals (sine, square, noise)Create sweep (chirp) signals (linear/exponential)Generate click signals with adjustable duty cycle
🔧 Utilities
(45)
free with in-app purchases
11
Tone Generator+ Freq
Tone Generator+ Freq
Tone Generator+ Freq
Sine Wave Sound Maker
Free

Generate precise audio tones with various waveforms for testing, calibration, and experiments. Offers a wide frequency range and adjustable volume in a simple interface.

Precise frequency generationMultiple waveform types (sine, square, sawtooth, triangle)Adjustable volume control
🔧 Utilities
(1)
ad-supported
12
Signal Generator - Wave
Signal Generator - Wave
Signal Generator - Wave
Sine Rect White Pink Generator
$0.99

Generate high-quality audio signals including sine, square, triangle, sawtooth waves, and white/pink noise. Ideal for testing audio systems, frequency response, and hearing capabilities.

Sine wave generationSquare wave generationWhite noise generation
🔧 Utilities
(10)
paid
13
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
14
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
🔧 Utilities
(36K)
freemium
15
Frequency Gen
Frequency Gen
Frequency Gen
1-22 kHz Wave Generator
Free
🔧 Utilities
(0)
16
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Neural Hz for Calm & Clarity
Free

This app offers science-inspired sound therapy to promote natural healing and restore balance to your mind, body, and brain. It utilizes specific frequencies to aid in sleep, reduce pain, and enhance mental clarity for a holistic wellness journey.

Full body healing & DNA repairRestorative sleep supportGentle relief for body pain
💪 Health & Fitness
(2.4K)
free with in-app purchases
17
FNam Frequency,Noise Generator
FNam Frequency,Noise Generator
FNam Frequency,Noise Generator
Noise Gen, WAV & CSV player
Free
🔧 Utilities
(0)
18
Freq'n Awesome Tone Generator
Freq'n Awesome Tone Generator
Freq'n Awesome Tone Generator
Speaker & Audio Test Tones
Free
🔧 Utilities
(0)
19
Frequency Generator: Tone HZ
Frequency Generator: Tone HZ
Frequency Generator: Tone HZ
Binaural beats & pure waveform
Free
🌟 Lifestyle
(0)
20
Tone Generate Pro
Tone Generate Pro
Tone Generate Pro
Audio Tone Generator
Free
🔧 Utilities
(0)

FAQ about Sine Wave Generator

What are the best sine wave generator apps for iPhone?
Tone Generator: Audio Sound Hz tops our sine wave generator apps ranking as of August 2026, with a 4.7-star average from 2.6K App Store ratings, and it's free to download.
Yes — 19 of the top sine wave generator apps we rank are free to download, including Tone Generator: Audio Sound Hz and Frequency: Sound Generator.
Tone Generator: Audio Sound Hz shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ sine wave generator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app generates pure sine wave audio tones at frequencies ranging from 20Hz to 22,000Hz. It's designed for various applications like tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment.
Key uses include performing hearing tests to determine the lowest and highest frequencies you can hear, tuning musical instruments like guitars to specific frequencies (e.g., 440 Hz for Low E), conducting science experiments such as finding the resonant frequency of a wine glass, and testing audio systems like subwoofers.