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Best Boss Chromatic Tuner Apps

217+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated July 2026

BOSS Tuner is the household name in boss chromatic tuner, but it's far from the only option. We track 217+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Boss Chromatic Tuner Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BOSS TunerBOSS TunerFree3.6★ (109)NoNoJul 2026
2GuitarTuna: Tune & Play GuitarGuitarTuna: Tune & Play GuitarFree4.8★ (145K)YesYesJul 2026
3Fender Tune: Guitar Tuner AppFender Tune: Guitar Tuner AppFree4.8★ (147K)YesNoJul 2026
4Guitar Tuner - ChromaticGuitar Tuner - ChromaticFree4.6★ (8.2K)YesYesJul 2026
5Tuner T1Tuner T1Free4.5★ (9.1K)YesNoJul 2026
6Tuner Pro: Тюнер для гитарыTuner Pro: Тюнер для гитарыFree4.5★ (45K)NoYesJul 2026
7Tuner Lite by PiascoreTuner Lite by PiascoreFree4.5★ (9.5K)YesNoJul 2026
8Pitch Pro Tuner & MetronomePitch Pro Tuner & MetronomeFree4.6★ (2.5K)NoYesJul 2026

Top Picks for Boss Chromatic Tuner

BOSS Tuner#1

BOSS Tuner by Roland Corporation

Editor's Choice
🎵 Music
3.6😐(109 ratings)
Free
BOSS Tuner screenshot 1
BOSS Tuner screenshot 2
BOSS Tuner screenshot 3
BOSS Tuner screenshot 4

This app offers world-renowned chromatic tuning technology for iOS devices, replicating the look and feel of a popular pedal tuner. It uses your device's microphone to tune a wide range of instruments, from guitars and basses to strings and brass. An audible reference pitch function and enlarged meter view enhance the tuning experience.

What We Love

  • ✅ Works as expected
  • 🆓 Free to use
  • 🎶 Covers alternate tunings
  • 👍 Simple and focused tuner

Room to Improve

  • ✉️ Excessive notifications
  • 🚫 Spam push notifications
  • ❓ News tab empty
GuitarTuna: Tune & Play Guitar#2

GuitarTuna: Tune & Play Guitar by Yousician Ltd

Gitarre, Bass, Ukulele Stimmen
Strong Contender
🎵 Music
4.8😊(145K 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
Fender Tune: Guitar Tuner App#3

Fender Tune: Guitar Tuner App by Fender Digital

Chords, Scales and Metronome
Worth Considering
🎵 Music
4.8😐(147K ratings)
FreeAds
#71in Music
Fender Tune: Guitar Tuner App screenshot 1
Fender Tune: Guitar Tuner App screenshot 2
Fender Tune: Guitar Tuner App screenshot 3
Fender Tune: Guitar Tuner App screenshot 4
Fender Tune: Guitar Tuner App screenshot 5
Fender Tune: Guitar Tuner App screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Accurate tuning
  • 🚀 Convenient for beginners
  • 👍 Variety of tuning options

Room to Improve

  • 🐛 Inconsistent string detection
  • 🐛 Inaccurate tuning at times
  • 🐛 Causes string breakage

More Boss Chromatic Tuner apps to explore

4
Guitar Tuner - Chromatic
Guitar Tuner - Chromatic
Guitar Tuner - Chromatic
by Last Harmonic LLC
Free

This application provides a highly accurate chromatic tuner for any instrument. It features advanced noise cancellation and a detailed fine-tuning display, ensuring precise pitch readings for musicians of all levels. The tuner offers a fast refresh rate and works with any note.

Works with any instrumentChromatic tuning for any noteAccurate to 0.33 Hz
🎵 Music
(8.2K)
free with in-app purchases
5
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
(9.1K)
free with in-app purchases
6
Tuner Pro: Тюнер для гитары
Tuner Pro: Тюнер для гитары
Tuner Pro: Тюнер для гитары
Аккорды, табы и настройка
Free

Achieve perfect guitar tuning quickly with an AI-powered chromatic tuner. Learn chords, practice with metronome features, and play songs with chord and lyric generation. Suitable for all skill levels.

AI-powered chromatic tunerChord and lyric generationMetronome with settings
🎵 Music
(45K)
free with in-app purchases
7
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
(9.5K)
free with in-app purchases
8
Pitch Pro Tuner & Metronome
Pitch Pro Tuner & Metronome
Pitch Pro Tuner & Metronome
Chromatic guitar + vocal tuner
Free

This app acts as a musical fitness coach, offering a chromatic tuner and metronome with detailed analytics. It helps users improve their playing or singing by charting progress and providing insights. Record, playback, and analyze performances with a live tuner view.

Chromatic tuner for instruments and voiceMetronome with multiple sound optionsDetailed progress analytics
🎵 Music
(2.5K)
free with in-app purchases
9
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
10
Tuner by Piascore
Tuner by Piascore
Tuner by Piascore
The Ultimate Chromatic Tuner
$4.99

This app provides a chromatic instrument tuner and pitch pipe for musicians. It offers accurate tuning for a wide range of instruments using your device's microphone, with advanced features for precise adjustments.

Chromatic instrument tuningPitch pipe/tone generatorCustom temperaments
🎵 Music
(1.4K)
free
11
Guitar Tuner: Bass and Ukulele
Guitar Tuner: Bass and Ukulele
Guitar Tuner: Bass and Ukulele
Chromatic Tune & Metronome
Free

This app provides fast and accurate tuning for guitar, bass, and ukulele. It also includes a metronome, chromatic tuner, and chord charts. A wide variety of standard and alternate tunings are supported for multiple instruments.

Fast and accurate tuningSupports guitar, bass, and ukuleleChromatic tuner
🎵 Music
(2.2K)
free with in-app purchases
12
Chromatic tuner - FlashTune
Chromatic tuner - FlashTune
Chromatic tuner - FlashTune
Perfect tuning with our tuners
Free

Achieve perfect intonation with this highly accurate tuning application. It supports a wide range of instruments and offers customizable settings for musicians of all levels. Its intuitive interface makes tuning quick and easy.

High precision tuning (0.1 cent accuracy)Customizable tuning settingsIntuitive user interface
🔧 Utilities
(55)
free
13
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
(4.8K)
free with in-app purchases
14
Pro Metronome - Tempo & Tuner
Pro Metronome - Tempo & Tuner
Pro Metronome - Tempo & Tuner
Tempo,Subdivision,Polyrhythm
Free

This app offers a precise metronome and tuner for musicians, aiding practice and performance. It features customizable beat tones, dynamics, and advanced rhythm training tools. Unlock additional sensory aids, subdivisions, and polyrhythms with the Pro version.

Studio-quality metronome with ±20μs accuracyCustomizable beat tones, accents, and dynamicsRhythm Trainer for timing practice
🎵 Music
(20K)
free with in-app purchases
15
Guitar Tuner - Simply Tune
Guitar Tuner - Simply Tune
Guitar Tuner - Simply Tune
Ads Free, Everything Unlocked
Free

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.

Instrument tuning (guitar, bass, ukulele)Step-by-step visual guidanceAuto-tune mode
🎵 Music
(99K)
free with in-app purchases
16
iStroboSoft
iStroboSoft
iStroboSoft
by Peterson Tuners
$9.99

This application provides highly accurate tuning for musical instruments, offering professional-grade precision with a real-time strobe display. It supports various tuning modes, temperaments, and input methods, making it suitable for both acoustic and electric instruments.

1/10th cent accuracyReal-time strobe displayGuided Mode Tuning
🎵 Music
(275)
free with in-app purchases
17
Fine Tuner - Chromatic Tuner
Fine Tuner - Chromatic Tuner
Fine Tuner - Chromatic Tuner
Guitar, bass, violin and more!
Free

This app provides a minimalistic and efficient way to tune various string instruments using your device's microphone. It offers a wide range of built-in tunings for instruments like guitar, bass, and ukulele, with the option to customize notes.

Minimalistic UIBuilt-in tunings for multiple instrumentsCustom note tuning
🎵 Music
(516)
free with in-app purchases
18
KeyTuner - 乐器调音器
KeyTuner - 乐器调音器
KeyTuner - 乐器调音器
适合所有仪器精准调音
Free

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.

Full-range chromatic tuningVisual feedback for fine and coarse tuningAdvanced digital algorithm for precision
🎵 Music
(1.7K)
free
19
iTuner - Chromatic Tuner
iTuner - Chromatic Tuner
iTuner - Chromatic Tuner
Tuner for Guitar Piano Violin
Free

This professional chromatic tuner offers high accuracy for instruments like guitar, piano, and violin. It includes a tone generator with various tuning systems, waveforms, and a frequency meter for precise tuning and voice training.

High accuracy chromatic tuningTone generator with tuning forksFrequency meter and spectrum FFT
🎵 Music
(101)
subscription
20
Airyware Tuner - strobe & more
Airyware Tuner - strobe & more
Airyware Tuner - strobe & more
best strobe chromatic tuner
Free

This advanced chromatic tuner utilizes a powerful DSP engine for precise tuning of a wide range of instruments. It offers multiple display modes, extensive customization options for tunings and temperaments, and a tone generator. It supports internal and external microphones and is suitable for both amateur and professional musicians.

10-octave tuning rangeTrue strobe tuning modeFundamental pitch heatmap
🎵 Music
(580)
free with in-app purchases

FAQ about Boss Chromatic Tuner

What are the best boss chromatic tuner apps for iPhone?
BOSS Tuner tops our boss chromatic tuner apps ranking as of July 2026, with a 3.6-star average from 109 App Store ratings, and it's free to download.
Yes — 18 of the top boss chromatic tuner apps we rank are free to download, including BOSS Tuner and GuitarTuna: Tune & Play Guitar.
BOSS Tuner has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 217+ boss chromatic tuner apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The BOSS Tuner app provides world-renowned chromatic tuning technology for iOS devices. It uses your device's microphone to help you tune a variety of instruments, including guitars, basses, violins, cellos, and brass instruments. The app aims to replicate the intuitive display and trusted accuracy of popular pedal tuners.
This app is designed to tune a wide range of instruments. This includes common string instruments like guitar and bass, as well as orchestral instruments such as violin and cello. It also supports tuning for brass instruments and others, offering broad utility for musicians.