Best Free Boss Tuner Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated October 2026

With an average user rating of 4.1★, the free boss tuner category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Free Boss 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
3Simple Watch Instrument TunerSimple Watch Instrument TunerFree——NoOct 2026
4Pano Tuner LitePano Tuner LiteFree4.7★ (7.8K)YesNoNov 2026
5Tuner: Notes & HzTuner: Notes & HzFree—NoNoAug 2026
6TunerTunerFree2.0★ (1)NoYesJun 2026
7Barebones TunerBarebones TunerFree—NoNoOct 2026
8Practimo TunerPractimo TunerFree—NoNoOct 2026

Top Picks for Free Boss 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
#69in 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

More Free Boss Tuner apps to explore

FAQ about Free Boss Tuner

What are the best free boss tuner apps for iPhone?
BOSS Tuner tops our free boss tuner apps ranking as of October 2026, with a 3.7-star average from 118 App Store ratings, and it's free to download.
BOSS Tuner has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ free boss tuner apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.