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Best Tone Generator App

250+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated August 2026

Whether you're new to tone generator app or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Tone Generator App (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
4Tone Generator EXTone Generator EXFree4.8★ (439)YesNoAug 2026
5Tone generatorTone generatorFree4.0★ (152)YesYesAug 2026
6Tone Generator: Frequency AppTone Generator: Frequency AppFree4.8★ (137)YesYesAug 2026
7Tone Generator: Frequency HzTone Generator: Frequency HzFree—NoYesAug 2026
8Tone Generator AppTone Generator AppFree4.5★ (131)YesYesJul 2026

Top Picks for Tone Generator App

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 Tone Generator App apps to explore

4
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
5
Tone generator
Tone generator
Tone generator
by michael heinz
Free

Create various periodic signals with adjustable frequency and amplitude for testing electronic circuits or tuning instruments. Features include a metronome, a real-time tuner, and options for generating different noise types and tone sequences. It also offers unique features for hearing tests and party games.

Generate periodic signalsAdjustable frequency and amplitudeIntegrated instrument tuner
🔧 Utilities
(152)
free with in-app purchases
6
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
(137)
free with in-app purchases
7
Tone Generator: Frequency Hz
Tone Generator: Frequency Hz
Tone Generator: Frequency Hz
Instant Tuning & Ear Training
Free

Generate precise audio tones for tuning instruments, testing sound equipment, or practicing ear training. This app offers a clean, focused experience with no ads or accounts, working offline for instant reference.

Reference tone generationNote or Hz inputOffline functionality
🎵 Music
(0)
free with in-app purchases
8
Tone Generator App
Tone Generator App
Tone Generator App
from 20 Hz to 20 kHz
Free

Generate sine wave tones across a wide frequency range, from 20 Hz to 20 kHz. Useful for testing audio equipment, tuning musical instruments, and even for basic hearing assessments.

Sine wave tone generationFrequency range 20 Hz to 20 kHzHeadphone and speaker testing
🎵 Music
(131)
free with in-app purchases
9
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

Frequency range 1Hz to 25,000HzWave visualizationAdjustable sensitivity
🔧 Utilities
(4.8K)
subscription
10
Tone Generator: Harmoniq
Tone Generator: Harmoniq
Tone Generator: Harmoniq
Frequency Generator
Free
🔧 Utilities
(0)
11
Sonic | Water Eject
Sonic | Water Eject
Sonic | Water Eject
Tone Generator Speaker Cleaner
Free

This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.

Clears moisture from device speakersGenerates tones from 0 Hz to 25 kHzControl via Apple Watch
🎵 Music
(20K)
freemium
12
Frequency Generator: Tone HZ
Frequency Generator: Tone HZ
Frequency Generator: Tone HZ
Binaural beats & pure waveform
Free
🌟 Lifestyle
(0)
13
Tone Generate Pro
Tone Generate Pro
Tone Generate Pro
Audio Tone Generator
Free
🔧 Utilities
(0)
14
AI Sound: Tone Generator AI
AI Sound: Tone Generator AI
AI Sound: Tone Generator AI
Generate your Favorite tone!
Free
🎵 Music
(0)
15
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
16
Tone Generator
Tone Generator
Tone Generator
by Rick Peacock
$0.99
🎵 Music
(0)
17
Golden Tone Generator
Golden Tone Generator
Golden Tone Generator
Golden Ratio Tone Generator
Free

Generate tones using various frequency systems like Golden Ratio, Fibonacci, and Solfeggio. Offers precision playback, custom playlists, and export options. Ideal for musicians, sound designers, and relaxation.

Multiple frequency systems (Golden Ratio, Fibonacci, Solfeggio, 12-TET)Precision playback with adjustable A4 referenceAdvanced playback controls with fade in/out
🎵 Music
(1)
free with in-app purchases
18
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
(58)
free with in-app purchases
19
Tone Generator Professional
Tone Generator Professional
Tone Generator Professional
by Pedro Daniel Macalupu Cumpen
$14.99

Create precise audio tones from 20Hz to 20,000Hz using four distinct waveforms. Adjust output volume and enjoy instant loading with a highly accurate algorithm. This universal app is compatible with external speakers and all iOS devices.

Generate tones from 20Hz to 20,000HzSine, Square, Triangle, and Sawtooth waveformsAdjustable output volume
🎵 Music
(8)
paid
20
SignalProof: Tone Generator
SignalProof: Tone Generator
SignalProof: Tone Generator
Test Tones, Noise, Sweeps
Free
🔧 Utilities
(0)

FAQ about Tone Generator App

What is the best tone generator app for iPhone?
Tone Generator: Audio Sound Hz tops our tone generator app ranking as of August 2026, with a 4.7-star average from 2.6K App Store ratings, and it's free to download.
Yes — 18 of the top tone generator app 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 250+ tone generator app 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.