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Best Free Tone Generator Apps

212+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Out of 212+ free tone generator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Free Tone 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

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

  • πŸ‘ Simple and straightforward
  • πŸš€ Works as expected
  • πŸ’‘ Useful for testing and tuning
  • πŸ’‘ Helps identify hearing range

Room to Improve

  • πŸ› Ads can interfere with usage
  • πŸ”§ Difficulty fine-tuning frequency
  • πŸ”§ No amplitude/volume display
Tone Generator EX#2

Tone Generator EX by An-Che Lee

Strong Contender
πŸ”§ Utilities
4.8😊(439 ratings)
FreeAds
Tone Generator EX screenshot 1
Tone Generator EX screenshot 2
Tone Generator EX screenshot 3

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.

What We Love

  • πŸ‘ Clean, intuitive, and elegant interface design
  • 🎡 Precise frequency control with decimal accuracy
  • πŸ’° Completely free with no ads or subscriptions
  • βš™οΈ Customizable A440 tuning standard adjustment

Room to Improve

  • πŸ“‰ Limited frequency range (minimum 15Hz, maximum needs extension)
  • 🚫 No direct frequency input via typing
  • ⏸️ No export functionality for generated tones
Audio Function Generator#3

Audio Function Generator by Thomas Gruber

Frequency and Signal Generator
Worth Considering
πŸ”§ Utilities
4.7😐(2.1K 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

  • πŸ‘ Great app
  • 🎢 Helps with Tinnitus
  • πŸ’― Best app I've paid for
  • πŸ” Highly recommended

Room to Improve

  • πŸ› Crashes
  • πŸ’° Deceptive/Money hungry
  • πŸ”’ Basic features paywalled

More Free Tone Generator apps to explore

4
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Clear Sound Wave Generator
Free

Generate precise sound waves with adjustable frequencies and various waveform types. Use it for audio testing, insect repulsion, pet training, or as a prank tool. Features include a decibel meter and stereo sound tests.

Adjustable sine, square, triangle, and sawtooth waveformsPrecise frequency control from 0Hz to 25kHzWave visualization
πŸ”§ Utilities
(1.8K)
subscription
5
Frequency: Sound Generator
Frequency: Sound Generator
Frequency: Sound Generator
by Lucija Jaksic
Free

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.

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization
πŸ”§ Utilities
(340)
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
πŸ”§ Utilities
(135)
free with in-app purchases
7
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
πŸ”§ Utilities
(4.8K)
subscription
8
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
(354)
free with in-app purchases
9
Water Eject ~ Speaker Wizard
Water Eject ~ Speaker Wizard
Water Eject ~ Speaker Wizard
#1 Effective Ultra Clear Wave
Free

Generate pure tones, frequencies, and waveforms to test audio equipment like speakers and headphones. Ideal for professionals and enthusiasts seeking to ensure optimal sound quality through customizable frequencies and noise generation.

Tone generationFrequency testingWaveform generation
🎡 Music
(7.5K)
free with in-app purchases
10
Frequency: Healing Sounds
Frequency: Healing Sounds
Frequency: Healing Sounds
Heal Naturally, Inner Harmony
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
πŸ’ͺ Health & Fitness
(2.3K)
free with in-app purchases
11
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
πŸ”§ Utilities
(144)
free with in-app purchases
12
Guitar Tuner & Tone Generator
Guitar Tuner & Tone Generator
Guitar Tuner & Tone Generator
Pro Tuner, Apple Watch Edition
Free

This app provides a chromatic tuner for string instruments, compatible with both iPhone and Apple Watch. It accurately detects tuning notes and generates tones, offering precise frequency detection in hertz. It supports custom tuning for instruments like guitar, ukulele, violin, viola, and cello.

Chromatic tunerTone generatorPrecise frequency detection (Hz)
🎡 Music
(919)
free with in-app purchases
13
AI Song Generator: Mozart
AI Song Generator: Mozart
AI Song Generator: Mozart
Voice Cover, Music Video Maker
Free

Transform photos or text into complete AI-generated songs with editable lyrics and voice cover options. This app offers a simple, fast way to create music, generate lyrics, remove vocals, and even produce basic music videos from your creations.

Generate songs from text or photosAI lyric writing and editingVoice cover options
🎡 Music
(28K)
free with in-app purchases
14
MIA: AI Song Generator
MIA: AI Song Generator
MIA: AI Song Generator
Create Any Song: Music Maker
Free

Effortlessly create original songs with AI. Generate instrumentals, unique voices, and complete tracks in minutes. This app offers a user-friendly interface for both beginners and experienced musicians to explore their creativity.

AI Music GeneratorAI Song GeneratorAI Voice Changer
🎡 Music
(3K)
subscription
15
Tone Generator EM-1
Tone Generator EM-1
Tone Generator EM-1
Frequency Sound Player
Free

Generate sounds across a wide frequency range to test hearing, tune instruments, or experiment with audio. Easily select frequencies with a slider, adjust volume, and play tones.

Generate sounds from 1Hz to 22kHzTest hearing and audio equipmentTune musical instruments
🎡 Music
(31)
free with in-app purchases
16
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
17
RINGTONE MAKER #1 for iPhone
RINGTONE MAKER #1 for iPhone
RINGTONE MAKER #1 for iPhone
make Ringtones : Music Video
Free

Create custom ringtones from your music library or by recording your own voice. Easily trim, cut, and adjust audio with advanced editing tools. Access a vast library of sounds and discover live wallpapers to personalize your device.

Convert music to ringtonesRecord custom ringtonesTrim and cut audio
🎡 Music
(6.3K)
free with in-app purchases
18
Speaker Test - Tone Generator
Speaker Test - Tone Generator
Speaker Test - Tone Generator
Tone Generator,Speaker Booster
Free

Easily test and enhance your device's audio output. This app offers a tone generator for custom frequencies and a speaker booster to improve sound quality. It includes features for stereo testing and customizable test plans to ensure optimal speaker performance.

Speaker testingTone generator (0-20000 Hz)Speaker booster (bass & volume)
πŸ”§ Utilities
(16)
free with in-app purchases
19
Free Ultimate Ringtones - Music, Sound Effects, Funny alerts and caller ID tones
Free Ultimate Ringtones - Music, Sound Effects, Funny alerts and caller ID tones
Free Ultimate Ringtones - Music, Sound Effects, Funny alerts and caller ID tones
by Mobgen Apps Inc
Free

Personalize your phone with a vast library of free ringtones, including music, sound effects, and funny alerts. Set unique tones for each contact to easily identify callers, even when your phone is out of sight or you're driving.

Free ringtone downloadsCustom tones per contactVariety of music genres
🎬 Entertainment
(1.5K)
free
20
Tone Generator: Frequency Hz
Tone Generator: Frequency Hz
Tone Generator: Frequency Hz
Instant Tuning & Ear Training
Free
🎡 Music
(0)