Best Hz Frequency Tuner Apps

250+ iOS apps curated and reviewed

4.2 avg rating
17 free apps
Updated August 2026

Looking for free hz frequency tuner apps? 17 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Hz Frequency Tuner Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pitched Tuner - Tuning AppPitched Tuner - Tuning AppFree4.6★ (5.1K)YesYesAug 2026
2KeyTunerKeyTunerFree4.7★ (1.7K)NoNoAug 2026
3Frequency: Sound GeneratorFrequency: Sound GeneratorFree4.7★ (340)YesNoAug 2026
4HzDetect Music Frequency TunerHzDetect Music Frequency TunerFree5.0★ (1)YesYesAug 2026
5Tone Generator: Audio Sound HzTone Generator: Audio Sound HzFree4.7★ (2.6K)YesNoAug 2026
6Frequency Counter+ Hz FFTFrequency Counter+ Hz FFTFree3.3★ (6)YesNoAug 2026
7Pano Tuner LitePano Tuner LiteFree4.7★ (7.6K)YesNoAug 2026
8Tuner T1Tuner T1Free4.5★ (10K)YesNoAug 2026

Top Picks for Hz Frequency Tuner

Pitched Tuner - Tuning App#1

Pitched Tuner - Tuning App by Stonekick Limited

Guitar Bass & Instrument Tuner
Editor's Choice
🎵 Music
4.6😊(5.1K ratings)
FreeAdsIn-App Purchases
Pitched Tuner - Tuning App screenshot 1
Pitched Tuner - Tuning App screenshot 2
Pitched Tuner - Tuning App screenshot 3
Pitched Tuner - Tuning App screenshot 4
Pitched Tuner - Tuning App screenshot 5
Pitched Tuner - Tuning App screenshot 6

This app helps musicians tune their instruments quickly and accurately using their device's microphone. It offers both instrument-specific and chromatic tuning modes, with customizable options for various instruments and tunings. It also functions as a pitch pipe for ear training.

What We Love

  • 👍 Works well
  • 💡 Helpful for tuning various instruments
  • 🚀 Accurate and responsive
  • 🔒 No ads (free version)

Room to Improve

  • 🐛 Occasional freezing or glitches
  • 🔒 Requires data sharing for full functionality
  • 🔒 Unclear privacy terms
KeyTuner#2

KeyTuner by TimperLabs LLC

Precision Instrument Tuner
Strong Contender
🎵 Music
4.7😊(1.7K ratings)
Free
KeyTuner screenshot 1
KeyTuner screenshot 2
KeyTuner screenshot 3
KeyTuner screenshot 4
KeyTuner screenshot 5
KeyTuner screenshot 6

This app offers precise chromatic tuning for a wide range of instruments with a clear, visual interface. It features advanced algorithms for accurate detection of notes, including those with overtones and vibrato, making it suitable for both tuning and intonation practice.

What We Love

  • 🚀 Accurate and precise tuning
  • 👍 Simple and user-friendly interface
  • 🎨 Supports a variety of instruments
  • 💰 Free with no ads

Room to Improve

  • 🐛 Occasional issues with note recognition
  • 🔊 Microphone sensitivity can be inconsistent
  • 🔢 Limited support for alternate tunings/temperaments
Frequency: Sound Generator#3

Frequency: Sound Generator by Lucija Jaksic

Worth Considering
🔧 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

More Hz Frequency Tuner apps to explore

4
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
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 Counter+ Hz FFT
Frequency Counter+ Hz FFT
Frequency Counter+ Hz FFT
Tuner · RPM · 50/60Hz Meter
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
(6)
ad-supported
7
Pano Tuner Lite
Pano Tuner Lite
Pano Tuner Lite
Guitar, violin, cello & piano
Free

This application listens to your instrument's sound and displays its pitch, allowing for accurate tuning by showing the deviation from the desired note. It offers a wide pitch sensor range and customizable settings for concert-A frequency and sensitivity.

Listens to instrument sound and displays pitchAccurate tuning via offset from desired pitchQuick and sensitive response
🎵 Music
(7.6K)
free with in-app purchases
8
Tuner T1
Tuner T1
Tuner T1
Tune any musical instrument
Free

This app provides highly accurate tuning for a vast array of musical instruments, from guitars and violins to pianos and flutes. It features a chromatic tuner, transpose mode, and a tone generator for comprehensive musical practice and performance needs.

Extremely accurate tuning (±0.1 cents)Chromatic tuner for all instrumentsTranspose mode for real-world playing
🎵 Music
(10K)
free with in-app purchases
9
Tuner Lite by Piascore
Tuner Lite by Piascore
Tuner Lite by Piascore
The Ultimate Chromatic Tuner
Free

This app provides accurate chromatic tuning for a wide range of musical instruments using your device's microphone. It features a responsive needle meter, pitch pipe, and automatic calibration for precise tuning. An optional full version offers advanced features.

Chromatic instrument tuningBuilt-in microphone supportNeedle meter display
🎵 Music
(9.9K)
free with in-app purchases
10
n-Track Tuner
n-Track Tuner
n-Track Tuner
Tune guitar,bass & instruments
Free

Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.

High precision tuningSpectrum AnalyzerInstrument selection
🎵 Music
(3.2K)
free with in-app purchases
11
Tuner: Notes & Hz
Tuner: Notes & Hz
Tuner: Notes & Hz
Tuner: Notes & Hz
Free
🔧 Utilities
(0)
12
Music Re-Tuner
Music Re-Tuner
Music Re-Tuner
432 Hz & Solfeggio for Safari
$99.99
🎵 Music
(0)
13
Tuner
Tuner
Tuner
with Metronome
Free

This music tool helps you tune instruments by detecting sound frequencies and displaying musical notation. It also includes a metronome with adjustable tempo and time signatures, and allows simultaneous use of both features.

Instrument tuningSound frequency detectionMusical notation display
🎵 Music
(1)
free with in-app purchases
14
432 Hz Guitar Tuner
432 Hz Guitar Tuner
432 Hz Guitar Tuner
Chromatic & Alternative Tuning
Free

This professional-grade chromatic tuner offers precise instrument tuning with support for alternative frequencies like 432 Hz and 440 Hz. It includes a built-in metronome, capo support, and a learning section about tuning standards.

Chromatic tuning for any instrumentSupports 432 Hz, 440 Hz, and 430.54 Hz tuning standardsBuilt-in metronome with adjustable BPM
🎵 Music
(5)
free
15
DomraTuner - Tuner for Domra
DomraTuner - Tuner for Domra
DomraTuner - Tuner for Domra
Precise & Easy Plus metronome
Free

Easily tune your domra with this app. It features a simple interface with noise filtering, allowing you to select frequencies and tuning modes. Visual indicators show pitch accuracy for each string, helping you make precise adjustments.

Noise filtering for accurate tuningAdjustable A4 frequency (428-452 Hz)Visual pitch indicator for each string
🎵 Music
(0)
free
16
Zither Tuner
Zither Tuner
Zither Tuner
Accurate Zither Tuner
$5.99

Easily tune your zither with this mobile application. It automatically measures string pitch and provides precise visual feedback. You can also use it to play standard tuning notes for auditory tuning.

Automatic pitch measurementPrecise pitch indicationStandard sound playback
🎵 Music
(1)
paid
17
Tuner.
Tuner.
Tuner.
A design focused guitar tuner
Free

This ad-free application offers a visually focused approach to tuning guitars. It provides clear animations and a live frequency tracker to guide users in adjusting their guitar strings to the correct pitch. The interface uses color indicators to show whether a note is too low or too high.

Ad-free experienceDesign-focused interfaceClear visualisations
🎵 Music
(0)
free
18
Chromatic Tuner AUv3
Chromatic Tuner AUv3
Chromatic Tuner AUv3
Guitar, Bass & Violin Tuner
$4.99
🎵 Music
(0)
19
432Hz Frequency Converter
432Hz Frequency Converter
432Hz Frequency Converter
Match songs to your frequency
Free
🎵 Music
(0)
20
Frequency Analyzer Spectrum
Frequency Analyzer Spectrum
Frequency Analyzer Spectrum
Audio Spectrum Analyzer Hz
Free
🌟 Lifestyle
(0)

FAQ about Hz Frequency Tuner

What are the best hz frequency tuner apps for iPhone?
Pitched Tuner - Tuning App tops our hz frequency tuner apps ranking as of August 2026, with a 4.6-star average from 5.1K App Store ratings, and it's free to download.
Yes — 17 of the top hz frequency tuner apps we rank are free to download, including Pitched Tuner - Tuning App and KeyTuner.
Pitched Tuner - Tuning App shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ hz frequency tuner apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a chromatic tuner and pitch pipe, designed to help musicians quickly and easily tune their instruments using their device's microphone. It supports a wide variety of instruments and offers both instrument-specific and chromatic tuning modes.
The app is designed to work with a wide range of instruments including ukulele, violin, mandolin, flute, guitars (including 7-string), voice, banjo, bass (4, 5, and 6 string), cello, and double bass. You can also create custom tunings for instruments not listed.