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Best Hertz Sound Apps

249+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated August 2026

Looking for free hertz sound apps? 19 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Hertz Sound Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoAug 2026
2Sonic | Water EjectSonic | Water EjectFree4.7★ (21K)YesYesAug 2026
3Frequency Sound Generator AppFrequency Sound Generator AppFree4.5★ (4.8K)YesYesAug 2026
4Show Me Where It HertzShow Me Where It HertzFree—NoNoMay 2026
5Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoAug 2026
6Frequency: Healing SoundsFrequency: Healing SoundsFree4.7★ (2.3K)NoYesAug 2026
7Frequency Healing Sounds HertzFrequency Healing Sounds HertzFree4.9★ (1.4K)NoYesAug 2026
8Clear Wave ° Speaker CleanerClear Wave ° Speaker CleanerFree5.0★ (1)NoYesMay 2026

Top Picks for Hertz Sound

Frequency: Sound Generator#1

Frequency: Sound Generator by Lucija Jaksic

Editor's Choice
🔧 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
Sonic | Water Eject#2

Sonic | Water Eject by VonBruno LLC

Tone Generator Speaker Cleaner
Strong Contender
🎵 Music
4.7😊(21K ratings)
FreeAdsIn-App Purchases
Sonic | Water Eject screenshot 1
Sonic | Water Eject screenshot 2
Sonic | Water Eject screenshot 3
Sonic | Water Eject screenshot 4
Sonic | Water Eject screenshot 5
Sonic | Water Eject screenshot 6

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.

What We Love

  • 🚀 Works great for water ejection
  • 🔧 Effectively removes water from speakers
  • 👍 Saved phones from water damage
  • 💡 Useful for tuning instruments and sound healing

Room to Improve

  • 🔒 Premium features now behind paywall
  • 💰 Subscription model too expensive
  • 🔇 Ads interfere with usability
Frequency Sound Generator App#3

Frequency Sound Generator App by Min Ku

High Pitch Sound Generator
Worth Considering
🔧 Utilities
4.5😊(4.8K ratings)
FreeAdsIn-App Purchases
Frequency Sound Generator App screenshot 1
Frequency Sound Generator App screenshot 2
Frequency Sound Generator App screenshot 3
Frequency Sound Generator App screenshot 4
Frequency Sound Generator App screenshot 5
Frequency Sound Generator App screenshot 6

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.

What We Love

  • 👍 Helpful for tinnitus
  • 🚀 Accurate frequency generation
  • 🎉 Great for meditation and relaxation
  • 💡 Useful for testing speaker systems

Room to Improve

  • 🐛 Difficulty adjusting precise frequencies
  • 🔊 Extremely high frequencies can be painful
  • 🔋 Stops playing when screen is locked

More Hertz Sound apps to explore

4
Show Me Where It Hertz
Show Me Where It Hertz
Show Me Where It Hertz
by Isaac Lyons
Free
🔧 Utilities
(0)
5
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
6
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
(2.3K)
free with in-app purchases
7
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Frequency Healing Sounds Hertz
Tone Generator, Sound Therapy
Free

This app generates specific sound frequencies and vibrations designed for healing and well-being. Explore tones for pain relief, stress reduction, emotional balance, and spiritual connection. Enhance meditation and promote overall health with targeted sound therapy.

Pain and stress relief frequencies (174 Hz)Tissue and organ healing frequencies (285 Hz)Emotional liberation frequencies (396 Hz)
🌟 Lifestyle
(1.4K)
subscription
8
Clear Wave ° Speaker Cleaner
Clear Wave ° Speaker Cleaner
Clear Wave ° Speaker Cleaner
Clearwave - tone generator
Free

This audio utility app allows users to test sound frequencies, analyze speaker output, and generate high-intensity audio waves. It offers tools for visualizing sound levels, playing specific frequencies, and testing stereo speaker balance. Designed for audio enthusiasts and curious users, it provides a powerful yet intuitive toolkit.

dB Meter for ambient sound levelsTone Generator with precise frequency controlSpeaker Test for left and right channels
🔧 Utilities
(1)
freemium
9
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
🔧 Utilities
(1.8K)
subscription
10
Frequency Generator - Sound Hz
Frequency Generator - Sound Hz
Frequency Generator - Sound Hz
Tone Generator & Speaker Test
Free
🔧 Utilities
(0)
11
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Decibel Meter Sound Detector
Track noise around you.
Free

Monitor your surroundings with this decibel meter app. It measures sound levels in real-time, providing clear visual analysis and advanced filtering options. Easily share your readings for documentation or further analysis.

Real-time decibel (dB) readingsFrequency weighting (A, B, C, Z)Share measurements via various apps
📊 Productivity
(54K)
free with in-app purchases
12
Hertz in CM
Hertz in CM
Hertz in CM
by Stein Erik Nilsen
$0.49
🔧 Utilities
(0)
13
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Decibel X:dB Sound Level Meter
Frequency Spectrum Analyzer
Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Precise sound pressure level measurementFrequency spectrum analysis (FFT, BAR graphs)Historical data recording and export
🔧 Utilities
(161K)
free with in-app purchases
14
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
15
Frequency Generator-Sound Test
Frequency Generator-Sound Test
Frequency Generator-Sound Test
Water Remover
Free
🔧 Utilities
(0)
16
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Use frequency generator tools
Free

Generate and analyze a wide range of sounds and frequencies. Explore tone generation, sound tests, musical tuning, and create custom sound effects. Visualize sound waves and experiment with different waveforms.

Single and multiple frequency generationMusical notes presetsBinaural beats
🔧 Utilities
(75)
free with in-app purchases
17
E5 Sound
E5 Sound
E5 Sound
by 锦萍 邓
Free
🔧 Utilities
(0)
18
Prime Active Sound
Prime Active Sound
Prime Active Sound
by Sebastian Yousef
Free
🌟 Lifestyle
(0)
19
Decibel：Sound Meter
Decibel：Sound Meter
Decibel：Sound Meter
Noise Spectrum Analyzer
Free

This application offers real-time decibel measurements with high precision. It provides detailed reports, location data, and the ability to share or export audio measurements. Users can also utilize a real-time decibel camera feature.

Real-time decibel measurementHigh precisionLocation data
🔧 Utilities
(6)
free with in-app purchases
20
Y-sound
Y-sound
Y-sound
by Ward Sound Medical Technology (qinghai) Co., Ltd
Free
🔧 Utilities
(0)

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FAQ about Hertz Sound

What are the best hertz sound apps for iPhone?
Frequency: Sound Generator tops our hertz sound apps ranking as of August 2026, with a 4.7-star average from 340 App Store ratings, and it's free to download.
Yes — 19 of the top hertz sound apps we rank are free to download, including Frequency: Sound Generator and Sonic | Water Eject.
Frequency: Sound Generator shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ hertz sound apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app generates various sound waves, including sine, square, sawtooth, and triangle, with frequencies ranging from 1Hz to 22000Hz. It allows for visual representation of these sound waves through animation and provides control over volume. It can be used for purposes like testing hearing, speakers, headphones, and as an instrument tuner.
You can generate four types of sound waves: sine, square, sawtooth, and triangle. These can be easily selected from the main menu by tapping on the sound wave icon. Each waveform produces a different sound and animated visual representation.