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Best Hertz Generator Apps

246+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

The best hertz generator apps on iPhone average 4.7★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Hertz Generator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoAug 2026
2Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoAug 2026
3Audio Function GeneratorAudio Function GeneratorFree4.7★ (2.1K)NoYesAug 2026
4Frequency Sound Generator AppFrequency Sound Generator AppFree4.5★ (4.8K)YesYesAug 2026
5Tone Generator EXTone Generator EXFree4.8★ (439)YesNoJul 2026
6Sonic | Water EjectSonic | Water EjectFree4.7★ (20K)YesYesAug 2026
7Freq'n Awesome Tone GeneratorFreq'n Awesome Tone GeneratorFree—YesYesMay 2026
8FNam Frequency,Noise GeneratorFNam Frequency,Noise GeneratorFree—YesYesJul 2026

Top Picks for Hertz Generator

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
Tone Generator: Audio Sound Hz#2

Tone Generator: Audio Sound Hz by TMSOFT

Generate Audio Frequency Waves
Strong Contender
🎵 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
Audio Function Generator#3

Audio Function Generator by Thomas Gruber

Frequency and Signal Generator
Worth Considering
🔧 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

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

Room to Improve

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

More Hertz Generator apps to explore

4
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
5
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
6
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
7
Freq'n Awesome Tone Generator
Freq'n Awesome Tone Generator
Freq'n Awesome Tone Generator
Speaker & Audio Test Tones
Free
🔧 Utilities
(0)
8
FNam Frequency,Noise Generator
FNam Frequency,Noise Generator
FNam Frequency,Noise Generator
Noise Gen, WAV & CSV player
Free
🔧 Utilities
(0)
9
Show Me Where It Hertz
Show Me Where It Hertz
Show Me Where It Hertz
by Isaac Lyons
Free
🔧 Utilities
(0)
10
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
(68)
free with in-app purchases
11
SignalGeneratorApp
SignalGeneratorApp
SignalGeneratorApp
This App generate audio wave
Free
🎵 Music
(0)
12
Frequency Generator App
Frequency Generator App
Frequency Generator App
Frequency generator tools
Free
🌟 Lifestyle
(0)
13
HJ_Power
HJ_Power
HJ_Power
by 小刚 任
Free
🔧 Utilities
(0)
14
AutoGen
AutoGen
AutoGen
by DC Generators Power Co Ltd
Free
🔧 Utilities
(0)
15
Tone Generate Pro
Tone Generate Pro
Tone Generate Pro
Audio Tone Generator
Free
🔧 Utilities
(0)
16
Frequency Generator - Hz Sound
Frequency Generator - Hz Sound
Frequency Generator - Hz Sound
Tone & Waveform Generator
Free

Create audio tones from 1 Hz to 22 kHz with adjustable frequency and waveform. Offers a sleep timer and dark mode. Free users have limited daily uses and waveform options.

Generate tones from 1 Hz to 22 kHzAdjustable frequency and waveformMultiple waveform options
🔧 Utilities
(4)
freemium
17
Energy Spark Tone Generator
Energy Spark Tone Generator
Energy Spark Tone Generator
by Energy Spark Inc
Free

This utility app generates single or multiple audio tones. It can be used with specific hardware to detect, ingest, and visualize sound frequencies.

Single tone generationMultiple tone generationCompatibility with Energy Necklace™
🔧 Utilities
(1)
free
18
Frequency Generator - Sound Hz
Frequency Generator - Sound Hz
Frequency Generator - Sound Hz
Tone Generator & Speaker Test
Free
🔧 Utilities
(0)
19
Telescada NeXGen REMS
Telescada NeXGen REMS
Telescada NeXGen REMS
by Peter Battelino
Free
🔧 Utilities
(0)
20
AutoGen Pro
AutoGen Pro
AutoGen Pro
Smart control and monitoring
Free
🔧 Utilities
(0)

FAQ about Hertz Generator

What are the best hertz generator apps for iPhone?
Frequency: Sound Generator tops our hertz generator apps ranking as of July 2026, with a 4.7-star average from 340 App Store ratings, and it's free to download.
Yes — 20 of the top hertz generator apps we rank are free to download, including Frequency: Sound Generator and Tone Generator: Audio Sound Hz.
Frequency: Sound Generator shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 246+ hertz generator apps on the iOS App Store as of July 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.