Best Acoustic Tuner Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.6★, the acoustic tuner category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Acoustic Tuner Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Acoustic TunerAcoustic TunerFree3.9★ (290)YesNoAug 2026
2Guitar Tuner - Simply TuneGuitar Tuner - Simply TuneFree4.8★ (103K)NoNoSep 2026
3GuitarTuna: Tune & Play GuitarGuitarTuna: Tune & Play GuitarFree4.8★ (147K)YesYesSep 2026
4Fender Tune: Guitar Tuner AppFender Tune: Guitar Tuner AppFree4.8★ (149K)YesNoSep 2026
5Tuner Lite by PiascoreTuner Lite by PiascoreFree4.5★ (9.9K)YesNoSep 2026
6Guitar Tuner - Simple TunerGuitar Tuner - Simple TunerFreeNoNoSep 2026
7Sonovia - Guitar TunerSonovia - Guitar TunerFreeNoYesMay 2026
8Aurora Guitar Tuner: EADGBEAurora Guitar Tuner: EADGBEFree5.0★ (1)NoNoAug 2026

Top Picks for Acoustic Tuner

Acoustic Tuner#1

Acoustic Tuner by Fredrik Blank

Guitar Tuner
Editor's Choice
🎵 Music
3.9😐(290 ratings)
FreeAds
Acoustic Tuner screenshot 1
Acoustic Tuner screenshot 2
Acoustic Tuner screenshot 3

This application offers automatic guitar tuning using your device's microphone. It also provides manual tuning options with reference sounds for precise adjustments.

What We Love

  • 👍 Fully accessible for blind musicians (Voiceover)
  • 🚀 Efficient and easy to use
  • 🔒 Respects user privacy (no unnecessary access)
  • 🎶 Helps tune accurately

Room to Improve

  • 🐛 Inaccurate tuning / detects wrong strings
  • 🐛 Glitchy at times
  • 🐛 Difficult to understand/use
Guitar Tuner - Simply Tune#2

Guitar Tuner - Simply Tune by Simply Ltd

Ads Free, Everything Unlocked
Strong Contender
🎵 Music
4.8😊(103K ratings)
Free
#59in Music
Guitar Tuner - Simply Tune screenshot 1
Guitar Tuner - Simply Tune screenshot 2
Guitar Tuner - Simply Tune screenshot 3
Guitar Tuner - Simply Tune screenshot 4
Guitar Tuner - Simply Tune screenshot 5
Guitar Tuner - Simply Tune screenshot 6

This app provides a user-friendly and accurate way to tune various stringed instruments. It offers step-by-step visual guidance, auto and manual tuning modes, and an essential chord library for learning songs.

What We Love

  • 🚀 Great free tuner
  • 👍 Elegant and works great
  • 👍 Easy to use
  • 👍 Accurate tuning

Room to Improve

  • 🐛 Inconsistent feedback on string tuning
  • 🐛 Struggles to tune some strings accurately
  • 🐛 Caused a string to break while tuning
GuitarTuna: Tune & Play Guitar#3

GuitarTuna: Tune & Play Guitar by Yousician Ltd

Chords, Tabs & Lyrics to Songs
Worth Considering
🎵 Music
4.8😊(147K ratings)
FreeAdsIn-App Purchases
#12in Music
GuitarTuna: Tune & Play Guitar screenshot 1
GuitarTuna: Tune & Play Guitar screenshot 2
GuitarTuna: Tune & Play Guitar screenshot 3
GuitarTuna: Tune & Play Guitar screenshot 4
GuitarTuna: Tune & Play Guitar screenshot 5
GuitarTuna: Tune & Play Guitar screenshot 6

This app helps you tune various string instruments, learn songs with interactive tutorials and personalized feedback, and access a vast library of chords and tabs. It also includes practice tools like a metronome and chord games.

What We Love

  • 👍 Easy to use
  • 🎶 Accurate tuning
  • 💪 Versatile for multiple instruments
  • 🎓 Helpful for beginners

Room to Improve

  • 💰 Paywall for alternate tunings
  • 📢 Intrusive ads and subscription prompts
  • 🔍 Inconsistent tuning accuracy

More Acoustic Tuner apps to explore

4
Fender Tune: Guitar Tuner App
Fender Tune: Guitar Tuner App
Fender Tune: Guitar Tuner App
Chords, Scales and Metronome
Free

This app offers precision tuning for guitar, bass, and ukulele with multiple modes and customizable options. It also provides a comprehensive suite of practice tools, including chord and scale libraries, and metronome functionality.

Precision auto-tune modeManual and chromatic tuning26 alternate and custom tunings
🎵 Music
(149K)
free with in-app purchases
5
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
6
Guitar Tuner - Simple Tuner
Guitar Tuner - Simple Tuner
Guitar Tuner - Simple Tuner
Tune your guitar and play
Free
🎵 Music
(0)
7
Sonovia - Guitar Tuner
Sonovia - Guitar Tuner
Sonovia - Guitar Tuner
Sleek Tuner, No Ads
Free
🎵 Music
(0)
8
Aurora Guitar Tuner: EADGBE
Aurora Guitar Tuner: EADGBE
Aurora Guitar Tuner: EADGBE
Fast, ad-free & private
Free

This app quickly and accurately tunes your guitar using your device's microphone. It offers a simple, ad-free experience with real-time feedback and haptic alerts when a string is in tune. Supports standard and custom tunings, and works offline.

Automatic string detectionFast and accurate pitch detectionSupports standard and custom tunings
🎵 Music
(1)
free
9
Toone - Chromatic Tuner
Toone - Chromatic Tuner
Toone - Chromatic Tuner
Guitar, Instrument & Vocal
Free

A fast and clean chromatic tuner for various instruments, including guitar, bass, and vocals. It offers haptic feedback, a pitch reference keyboard, and adjustable A=440 tuning. This app is completely free with no ads or subscriptions.

Chromatic tuningInstrument support (guitar, bass, vocals)Haptic feedback
🎵 Music
(1)
free
10
Guitar Tuner - Perfect Tune
Guitar Tuner - Perfect Tune
Guitar Tuner - Perfect Tune
Tune Guitar, Bass, Chromatic
Free
🎵 Music
(0)
11
Pitched Tuner - Tuning App
Pitched Tuner - Tuning App
Pitched Tuner - Tuning App
Guitar Bass & Instrument Tuner
Free

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.

Chromatic and instrument tuner modesHands-free tuningSupports a wide range of instruments
🎵 Music
(5.1K)
free with in-app purchases
12
Pro Guitar Tuner
Pro Guitar Tuner
Pro Guitar Tuner
Used by Professionals Globally
Free

This app provides real-time audio analysis for tuning a wide variety of stringed instruments. It offers a vast library of custom tunings and an intuitive interface with visual feedback to ensure accurate intonation. Users can also tune by ear using high-quality instrument samples.

Real-time audio analysisChromatic tuning for multiple instrumentsOver 200 custom tunings
🎵 Music
(10K)
freemium
13
GTuner: Guitar Tuner
GTuner: Guitar Tuner
GTuner: Guitar Tuner
Accurate tuner & metronome
Free
🎵 Music
(0)
14
Tuner Eclipse - Free Guitar Tuner
Tuner Eclipse - Free Guitar Tuner
Tuner Eclipse - Free Guitar Tuner
by Charlie Martin
Free

This app offers a precise and user-friendly way to tune guitars, featuring an advanced pitch detection algorithm and noise cancellation for accuracy in any environment. It supports automatic tuning for any note or manual tuning for specific strings, making it ideal for learning and quick adjustments.

Advanced pitch detection algorithmNoise cancellation for accuracyAutomatic tuning mode
🎵 Music
(24)
free with in-app purchases
15
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
16
Retune - Guitar & Bass Tuner
Retune - Guitar & Bass Tuner
Retune - Guitar & Bass Tuner
Alternate tunings & metronome
Free

This app helps you tune your guitar quickly and accurately by focusing on entire tunings rather than individual notes. It offers several built-in presets and can detect which string you're playing, providing instant feedback when it's in tune. Additional features like custom tunings, metronome, and support for more instruments are available with a one-time purchase.

Tune by tuning, not note by noteNine built-in tuningsCustom tuning creation
🎵 Music
(3)
freemium
17
insTuner Free - Chromatic Tuner
insTuner Free - Chromatic Tuner
insTuner Free - Chromatic Tuner
by Polybeat PTE. LTD.
Free

This app offers precise chromatic tuning for a wide range of musical instruments. It features an intuitive interface with a unique note wheel and tone generator, supporting various input modes for accurate tuning.

Chromatic tuning±1/1000 semitone precisionFixed note wheel display
🎵 Music
(5K)
free with in-app purchases
18
My Pocket Guitar Tuner
My Pocket Guitar Tuner
My Pocket Guitar Tuner
Simple & Precise Guitar Tuner
Free
🎵 Music
(0)
19
Guitar Tuner: Bass & Fender
Guitar Tuner: Bass & Fender
Guitar Tuner: Bass & Fender
Simply Tune: Tuning & Chords
Free
🎵 Music
(0)
20
OpenFret Guitar Tuner
OpenFret Guitar Tuner
OpenFret Guitar Tuner
for iPhone & Watch
Free

This free application helps guitarists tune their instruments quickly and accurately. It supports a variety of string configurations and is designed for use at home, during rehearsals, or for live performances.

Fast and accurate tuningSupports 6, 7, and 8-string guitarsEasy to use interface
🎵 Music
(1)
free

FAQ about Acoustic Tuner

What are the best acoustic tuner apps for iPhone?
Acoustic Tuner tops our acoustic tuner apps ranking as of August 2026, with a 3.9-star average from 290 App Store ratings, and it's free to download.
Yes — 20 of the top acoustic tuner apps we rank are free to download, including Acoustic Tuner and Guitar Tuner - Simply Tune.
Acoustic Tuner shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ acoustic tuner apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you tune your acoustic guitar accurately. It offers both automatic tuning by listening to your instrument through the device's microphone and manual tuning using provided reference sounds.
The automatic tuning feature utilizes your device's microphone to detect the pitch of each string. It then provides visual feedback to guide you in adjusting the tuning pegs until the correct note is achieved.