Best Online Guitar Tuner Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated October 2026

Finding the right online guitar tuner apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Online Guitar Tuner Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1GuitarTuna: Tune & Play GuitarGuitarTuna: Tune & Play GuitarFree4.8★ (149K)YesYesNov 2026
2Fender Tune: Guitar Tuner AppFender Tune: Guitar Tuner AppFree4.8★ (152K)YesNoNov 2026
3Guitar Tuner - Simply TuneGuitar Tuner - Simply TuneFree4.8★ (107K)NoNoNov 2026
4Harmonic.Audio TunerHarmonic.Audio TunerFree——NoAug 2026
5Ekin Guitar TunerEkin Guitar TunerFree——NoOct 2026
6Octave Tuner: Guitar TunerOctave Tuner: Guitar TunerFree—NoYesOct 2026
7Guitar Tuner: Strobe & CentsGuitar Tuner: Strobe & CentsFree—NoYesOct 2026
8Guitar Tuner - Perfect TuneGuitar Tuner - Perfect TuneFree—NoNoMay 2026

Top Picks for Online Guitar Tuner

GuitarTuna: Tune & Play Guitar#1

GuitarTuna: Tune & Play Guitar by Yousician Ltd

Chords, Tabs & Lyrics to Songs
Editor's Choice
🎵 Music
4.8😊(149K 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

Tune guitars, ukuleles, and more with high accuracy using your device's microphone. Access a vast library of chords and tabs for thousands of songs, and learn to play with interactive tutorials and personalized feedback. Practice with essential tools like a metronome and ear trainer.

What We Love

  • 👍 Easy to use
  • 🎶 Accurate tuning
  • 💪 Versatile for multiple instruments
  • 🎓 Helpful for beginners
  • 🔍 Precise visual feedback
  • 🎧 Good audio quality
  • 🆓 Free with optional paid features

Room to Improve

  • 💰 Paywall for alternate tunings
  • 📢 Intrusive ads and subscription prompts
  • 🔍 Inconsistent tuning accuracy
  • 🤖 Struggles with harmonics and custom tunings
  • 🔀 Confusing interface with too many features
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
#88in 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 precise tuning for guitar, bass, and ukulele with multiple modes and customizable options. It also provides a comprehensive library of chords and scales, along with a metronome and drum beats to enhance practice sessions for all skill levels.

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
Guitar Tuner - Simply Tune#3

Guitar Tuner - Simply Tune by Simply Ltd

Ads Free, Everything Unlocked
Worth Considering
🎵 Music
4.8😊(107K ratings)
Free
#62in 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 offers a free, highly-rated tuning experience for various instruments. It provides step-by-step visual guidance, auto-tune capabilities, and an essential chord library to help users play their favorite songs accurately and easily.

What We Love

  • 🚀 Great free tuner
  • 👍 Elegant and works great
  • 👍 Easy to use
  • 👍 Accurate tuning
  • 👍 Lots of tuning options
  • 👍 Helpful for beginners
  • 👍 Intuitive and straightforward
  • 👍 Quick and easy to tune
  • 👍 Recommended for all levels

Room to Improve

  • 🐛 Inconsistent feedback on string tuning
  • 🐛 Struggles to tune some strings accurately
  • 🐛 Caused a string to break while tuning
  • 🐛 Doesn't work well for bass guitars

More Online Guitar Tuner apps to explore

FAQ about Online Guitar Tuner

What are the best online guitar tuner apps for iPhone?
GuitarTuna: Tune & Play Guitar tops our online guitar tuner apps ranking as of October 2026, with a 4.8-star average from 149K App Store ratings, and it's free to download.
Yes — 20 of the top online guitar tuner apps we rank are free to download, including GuitarTuna: Tune & Play Guitar and Fender Tune: Guitar Tuner App.
GuitarTuna: Tune & Play Guitar shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ online guitar tuner apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.