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Best Free Frequency Generator Apps

228+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.6β˜…, the free frequency generator category is one of the App Store's strongest. Browse all 228+ apps we track, sorted so the most loved ones surface first.

Top Picks for Free Frequency Generator

Frequency: Sound Generator#1

Frequency: Sound Generator by Lucija Jaksic

Editor's Choice
πŸ”§ Utilities
4.7😊(340 ratings)
FreeAds
Frequency: Sound Generator screenshot 1
Frequency: Sound Generator screenshot 2
Frequency: Sound Generator screenshot 3

Generate a sound wave at any frequency between 1Hz and 22,000Hz with our easy-to-use sound generator. Test your speakers, tune your instruments, or simply explore the world of sound frequencies. Download now to take control of your audio experience.

What We Love

  • πŸ‘ Simple and easy to use interface
  • 🎡 Accurate frequency generation
  • πŸ’° Free application
  • 🧘 Helpful for meditation and stress relief

Room to Improve

  • πŸ“’ Intrusive and inappropriate advertisements
  • πŸ”Š Potential audio damage to speakers/hearing
  • πŸ”’ Privacy concerns and data collection issues
Tone Generator: Audio Sound Hz#2

Tone Generator: Audio Sound Hz by TMSOFT

Generate Audio Frequency Waves
Strong Contender
🎡 Music
4.9😊(128 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

Generate pure sine wave tones at various frequencies for purposes like tuning instruments, hearing tests, and audio equipment testing. Easily adjust frequencies, volume, and output options with user-friendly controls. Created by audio experts at TMSOFT. Explore more apps at http://www.tmsoft.com/.

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
Frequency: Healing Sounds#3

Frequency: Healing Sounds by iMobLife Technology Inc.

Heal Naturally, Inner Harmony
Worth Considering
πŸ’ͺ Health & Fitness
4.7😊(13 ratings)
FreeIn-App Purchases
Frequency: Healing Sounds screenshot 1
Frequency: Healing Sounds screenshot 2
Frequency: Healing Sounds screenshot 3
Frequency: Healing Sounds screenshot 4
Frequency: Healing Sounds screenshot 5
Frequency: Healing Sounds screenshot 6

Experience a transformative audio journey with Frequency: Healing Sounds. Immerse yourself in Hz sound frequencies designed to enhance relaxation, focus, and well-being. Rediscover harmony and balance with our curated collection of healing sounds. Try it now for a peaceful state of mind.

What We Love

  • πŸ‘ Relaxing and soothing sounds
  • πŸš€ Helps with sleep and relaxation
  • πŸš€ Variety of healing frequencies
  • πŸ‘ Improves mental and physical health

Room to Improve

  • πŸ› Occasional playback issues
  • πŸ”’ Subscription required for full access
  • πŸ”’ Misleading pricing information

More Free Frequency Generator apps to explore

4
Audio Function Generator
Audio Function Generator
Audio Function Generator
Frequency and Signal Generator
Free

Discover an exceptional Function Generator App with a wide array of features for generating test tones, frequency sweeps, volume sweeps, and more. From playing music tones to custom presets and advanced settings available in the PRO version, this app offers an intuitive and powerful audio experience. Visit the tutorial page at www.ee-toolkit.com/audio-function-generator and explore its capabilities today!

πŸ”§ Utilities
(2.1K)
5
Sonic | Water Eject
Sonic | Water Eject
Sonic | Water Eject
Water Eject Speaker Cleaner hz
Free

Clean your iPhone speakers with Sonic, a tone generator app that removes water and enhances sound quality. Adjust frequency easily by swiping, from 0 Hz to 25 kHz. Upgrade for limitless sessions, unique waveforms, presets, and an ad-free experience. Terms of Use: [Link].

🎡 Music
(19K)
6
Frequency Sound Generator App
Frequency Sound Generator App
Frequency Sound Generator App
High Pitch Sound Generator
Free

This app is a Frequency Sound Generator that can produce sound frequencies from 1Hz to 25,000Hz for various purposes such as annoying pets, training dogs, stopping dog barking, pranking friends, and using as a mosquito repellent. Adjust frequencies easily and get in touch via email for support.

πŸ”§ Utilities
(4.8K)
7
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Try frequency generator tools
Free

This sound wave generator app offers a range of tools for producing and testing different frequencies, from tone generation and musical tuning to sound effects and analysis. With its user-friendly interface and high-quality sound generation capabilities, you can experiment with sound, test your hearing, create music, and more - try it out today!

πŸ”§ Utilities
(32)
8
Tone Generator EX
Tone Generator EX
Tone Generator EX
by An-Che Lee
Free
πŸ”§ Utilities
(439)
9
Tone Generator: Frequency App
Tone Generator: Frequency App
Tone Generator: Frequency App
Hearing Test, Speaker Cleaner
Free

Generate various audio tones, including sine, square, sawtooth, and triangle waves, at a wide range of frequencies, with adjustable frequency control. Use this tool to test your hearing, clean your device's speakerphone, or simply have fun with different sound waves.

πŸ”§ Utilities
(135)
10
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Tone generator, Sound Therapy
Free

Experience the power of Frequency Healing Sounds Hertz – a tone generator app designed to promote relaxation and well-being through a variety of soothing frequencies. Enhance your mental and physical wellness with this innovative sound therapy tool.

🌟 Lifestyle
(1.4K)
11
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Sonic Pitch Sound Generator
Clear Sound Wave Generator
Free

Generate custom sine tones with precise frequency control using this sound generator app. Adjust frequencies by swiping, visualize waves professionally, and utilize it for various purposes such as driving away insects, training pets, or pranking friends. Download now for a handy tool at your fingertips!

πŸ”§ Utilities
(1.8K)
12
Sonic Hz Frequency Generator
Sonic Hz Frequency Generator
Sonic Hz Frequency Generator
Sound Wave & Speaker Cleaner
Free

This sound generating tool transforms your device into a professional audio instrument, producing precise tones across a wide frequency range for various applications, including audio experiments, hearing tests, and sound design. Download now to unlock your creative potential in audio and access a range of features, from quick presets to real-time tone generation.

🎡 Music
(100)
13
MultiTone Generator
MultiTone Generator
MultiTone Generator
Frequency and Signal Generator
Free

Introducing a versatile frequency and signal generator app that allows users to create up to 16 tone combinations. With features like test tones, frequency sweep options, and customizable settings, this app is perfect for sound professionals and enthusiasts. Try it now for an amazingly intuitive experience!

🎡 Music
(354)
14
Frequency Generator: HZ
Frequency Generator: HZ
Frequency Generator: HZ
432-528 Hertz Healing Sounds
Free

Generate precise theta brainwave frequencies for relaxation and meditation with the HZ Frequency Generator app. Simply set your desired frequency and duration for a customized experience. Transform your mental state today!

🎡 Music
(464)
15
Tone generator
Tone generator
Tone generator
by michael heinz
Free

Create various periodic signals for testing electronic circuits or tuning instruments, with features like tone recognition, metronome, and frequency customization. Additional functionalities can be unlocked with purchases, such as ad-free experience, Bluetooth support, and signal variations. Test your hearing ability, drive away insects, or have fun sharing tones with friends.

πŸ”§ Utilities
(144)
16
Noise Generator: Full Spectrum
Noise Generator: Full Spectrum
Noise Generator: Full Spectrum
Generate Audio Color Noises
Free

"Create custom color noises like white, pink, brown, blue, and violet with adjustable filters for a personalized experience. Benefits include improved sleep, relaxation, focus, and more. Easily adjust settings and enjoy the benefits of various sound colors. Learn more at [link to article]."

πŸ”§ Utilities
(2K)
17
Clear Wave
Clear Wave
Clear Wave
Decibel meter, hz speaker test
Free

An app for testing your speakers and microphone by playing sounds and measuring decibels and hertz output. Subscription-based with various pricing options available. Explore the app to fine-tune your audio devices today!

🎡 Music
(1.6K)
18
Generate Frequency Sounds Hz
Generate Frequency Sounds Hz
Generate Frequency Sounds Hz
A Frequency Wave Generator
Free

This sound wave generator app allows users to create different frequencies and patterns, offering options for single and multiple oscillators, binaural beats, and bass/sub-woofer testing. Download the app to generate various sound waves, including ultrasonic sounds, noise, and sound effects.

πŸ”§ Utilities
(13)
19
Frequency Generator App
Frequency Generator App
Frequency Generator App
Frequency generator tools
Free
🌟 Lifestyle
(0)
20
Binaural Beats Healing Sleep
Binaural Beats Healing Sleep
Binaural Beats Healing Sleep
Sleep Sounds & ADHD Brainwaves
Free

Experience deep relaxation and improved sleep with our app designed to provide calming sounds of nature to help soothe your mind and body. Transform your sleep experience today for a more restful and rejuvenating night's rest.

🎡 Music
(2.9K)

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