Best Hertz Frequency Apps

226+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good hertz frequency apps. We benchmark 226+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Hertz Frequency Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoJul 2026
2Decibel X:dB Sound Level MeterDecibel X:dB Sound Level MeterFree4.7★ (156K)NoYesJul 2026
3VisiWaveVisiWaveFree4.4★ (8)NoNoJul 2026
4Frequency Sound Generator AppFrequency Sound Generator AppFree4.5★ (4.8K)YesYesJul 2026
5Sonic | Water EjectSonic | Water EjectFree4.7★ (19K)YesYesJul 2026
6HzDetect Music Frequency TunerHzDetect Music Frequency TunerFree5.0★ (1)NoNoJun 2026
7Frequency: Healing SoundsFrequency: Healing SoundsFree4.7★ (2.3K)NoYesJul 2026
8Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoJul 2026

Top Picks for Hertz Frequency

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
Decibel X:dB Sound Level Meter#2

Decibel X:dB Sound Level Meter by SkyPaw Co., Limited

Frequency Spectrum Analyzer
Strong Contender
🔧 Utilities
4.7😐(156K ratings)
FreeIn-App Purchases
Decibel X:dB Sound Level Meter screenshot 1
Decibel X:dB Sound Level Meter screenshot 2
Decibel X:dB Sound Level Meter screenshot 3
Decibel X:dB Sound Level Meter screenshot 4
Decibel X:dB Sound Level Meter screenshot 5
Decibel X:dB Sound Level Meter screenshot 6

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.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use and understand
  • 🔍 Useful for various applications
  • 🎓 Helpful for hearing protection

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Misleading free trial
  • 📢 Intrusive ads
VisiWave#3

VisiWave by Arias Software LLC

See the frequencies around you
Worth Considering
🔧 Utilities
4.4(8 ratings)
Free
VisiWave screenshot 1
VisiWave screenshot 2
VisiWave screenshot 3

Visualize sound waves in real-time by detecting and displaying their frequencies in Hertz. Experience an augmented reality view of the audio environment around you.

More Hertz Frequency 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
Sonic | Water Eject
Sonic | Water Eject
Sonic | Water Eject
Water Eject Speaker Cleaner hz
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
(19K)
freemium
6
HzDetect Music Frequency Tuner
HzDetect Music Frequency Tuner
HzDetect Music Frequency Tuner
Find the frequency of any song
Free

Instantly discover the tuning frequency of music around you. This app uses song recognition and advanced analysis to reveal if a track is tuned to standard concert pitch or other frequencies, offering a new dimension to your listening experience.

Detect music tuning frequencyShazam-powered song recognitionAnalyze frequency breakdown
🔧 Utilities
(1)
free
7
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
💪 Health & Fitness
(2.3K)
free with in-app purchases
8
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
9
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
10
Frequency Analyzer
Frequency Analyzer
Frequency Analyzer
Audio Spectrum, Spectroid, dB
Free

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

Real-time FFT analysisCalibrated SPL measurements32-bit float audio recording
🔧 Utilities
(97)
free with in-app purchases
11
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Audio Tone & Sound Analyzer
Free

This app transforms your iPhone into a powerful audio analyzer. It offers four distinct modes to measure sound frequencies, tune instruments, analyze motor speeds, and check mains stability. Advanced features include measurement history, comparison tools, and CSV export.

Dominant frequency measurement (Hz)Instrument tuning with note and pitch displayMotor RPM analysis
🔧 Utilities
(3)
ad-supported
12
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Try 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
(66)
free with in-app purchases
13
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brainwaves -- Binaural Beats
Brain Performance & Balance
Free

This app uses precision-engineered binaural beats and isochronic tones to synchronize neural oscillations for enhanced brain performance, clarity, and recovery. It offers a spectrum of frequencies for focus, sleep, health, and spiritual exploration.

Binaural Beats & Isochronic TonesTargeted Brainwave Frequencies (Delta to Gamma)Performance & Flow State Enhancement
📊 Productivity
(3.2K)
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
(2.1K)
free with in-app purchases
15
High Frequency Tones
High Frequency Tones
High Frequency Tones
Generate any frequency
Free

Generate sound waves across a wide frequency range to test hearing limits. Explore potential uses like deterring pests or competing with friends to see who can hear higher pitches. An optional premium upgrade removes ads and unlocks additional waveform options.

Generate sound waves up to 20,000 HzTest human hearing limitsDog whistle functionality
🔧 Utilities
(595)
free with in-app purchases
16
Frequency Generator: HZ
Frequency Generator: HZ
Frequency Generator: HZ
432-528 Hertz Healing Sounds
Free

Enhance sleep and focus with scientifically engineered sound frequencies. This app offers customizable modes for deep slumber and peak concentration, utilizing binaural and isochronic beats. Enjoy an intuitive interface and offline access to boost your well-being and productivity.

Sleep Mode with Delta & Theta frequenciesFocus Mode with Alpha & Beta frequenciesBinaural and Isochronic beats
🎵 Music
(470)
free with in-app purchases
17
Frequency Gen
Frequency Gen
Frequency Gen
1-22 kHz Wave Generator
Free
🔧 Utilities
(0)
18
Decibel : dB sound level meter
Decibel : dB sound level meter
Decibel : dB sound level meter
Audio noise Spectrum Analyzer
Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Real-time decibel (dB) sound level monitoringIntegrated Spectrum Analyzer (FFT, spectrogram)Sleep tracking with sound recognition
🔧 Utilities
(36K)
freemium
19
Show Me Where It Hertz
Show Me Where It Hertz
Show Me Where It Hertz
by Isaac Lyons
Free
🔧 Utilities
(0)
20
Z-App
Z-App
Z-App
Z-App rife frequency generator
Free

Generate audio frequencies for personal wellness and experimental use. Explore over 1300 sequences for frequency-based practices on your mobile device. This app is for wellness exploration and is not a medical device.

Rife frequency generatorOver 1300 sequencesAudio frequency generation
🌟 Lifestyle
(433)
free

FAQ about Hertz Frequency

What are the best hertz frequency apps for iPhone?
Frequency: Sound Generator tops our hertz frequency apps ranking as of June 2026, with a 4.7-star average from 340 App Store ratings, and it's free to download.
Yes — 20 of the top hertz frequency apps we rank are free to download, including Frequency: Sound Generator and Decibel X:dB Sound Level Meter.
Frequency: Sound Generator shows ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 226+ hertz frequency apps on the iOS App Store as of June 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.

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