Best Boss Chromatic Tuner Apps

250+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated October 2026

BOSS Tuner is the household name in boss chromatic tuner, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Boss Chromatic Tuner Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1BOSS TunerBOSS TunerFree3.7★ (118)NoNoOct 2026
2Fender Tune: Guitar Tuner AppFender Tune: Guitar Tuner AppFree4.8★ (152K)YesNoNov 2026
3Toone - Chromatic TunerToone - Chromatic TunerFree5.0★ (2)NoNoOct 2026
4Guitar Tuner - ChromaticGuitar Tuner - ChromaticFree4.6★ (8.2K)YesYesNov 2026
5Chromatic tuner - FlashTuneChromatic tuner - FlashTuneFree4.7★ (104)NoNoNov 2026
6The Tuner - ChromaticThe Tuner - ChromaticFree—NoNoMay 2026
7Tuner: Notes & HzTuner: Notes & HzFree—NoNoAug 2026
8Tuner T1Tuner T1Free4.5★ (11K)YesNoNov 2026

Top Picks for Boss Chromatic Tuner

3.7😐(118 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
  • 💯 Highly recommended
  • 🎸 Great for guitar tuning
  • 📱 Handy on-the-go tuner
  • 💡 Innovative virtual pedal design
  • 🎶 Accurate and fast tuning
  • 📱 Works well on iOS devices
  • 🎸 Industry standard tuner
  • 💯 Reliable and well-built
  • 📲 Ideal for non-standard tuning
  • 🆓 Free, no subscription
  • 🎸 Mimics real pedal experience
  • 🎶 Excellent for various instruments
  • 💯 Boss quality and reliability

Room to Improve

  • ✉️ Excessive notifications
  • 🚫 Spam push notifications
  • ❓ News tab empty
  • 🎛️ Buttons don't function
  • 😵 Random needle movement
  • ⚠️ Shows wrong notes
  • 📱 Not compatible with newer iOS
  • 👎 Terrible compared to others
  • 💩 Hot garbage
  • 😩 Annoying ads
  • 📉 Slows down older iPhones
  • 🐌 Slow and non-responsive
  • 🔒 Screen auto-locks
  • 🗑️ Deleting due to notices
  • ❌ Buttons don't do anything
  • 🤔 Not easy to figure out
  • 🐛 Glitchy tracking
  • 🤷 Buttons don't work
  • 📱 Doesn't work in split screen
  • 📉 Can't clear badges
  • 😵 Confusing for beginners
  • 😠 Snapped ukulele string
  • 👎 Not great
  • 🐛 Buggy, doesn't track well
  • 👎 One of the worst
Fender Tune: Guitar Tuner App#2

Fender Tune: Guitar Tuner App by Fender Digital

Chords, Scales and Metronome
Strong Contender
🎵 Music
4.8😐(152K ratings)
FreeAds
#79in Music
Fender Tune: Guitar Tuner App screenshot 1
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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
  • 🚀 Quick tuning process
  • 👍 Helpful for developing ear
  • 👍 Great for acoustic and electric guitars

Room to Improve

  • 🐛 Inconsistent string detection
  • 🐛 Inaccurate tuning at times
  • 🐛 Causes string breakage
  • 🐛 Buggy auto-tuner
  • 🔒 Requires account for full features
  • 🐛 Struggles with bass tuning
Toone - Chromatic Tuner#3

Toone - Chromatic Tuner by Sumu Pitchayan

Guitar, Instrument & Vocal
Worth Considering
🎵 Music
5.0(2 ratings)
Free
Toone - Chromatic Tuner screenshot 1
Toone - Chromatic Tuner screenshot 2
Toone - Chromatic Tuner screenshot 3
Toone - Chromatic Tuner screenshot 4

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.

More Boss Chromatic Tuner apps to explore

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 October 2026, with a 3.7-star average from 118 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 Fender Tune: Guitar Tuner App.
BOSS Tuner has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ boss chromatic tuner apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.