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Guitar Tuner - Chromatic

Guitar Tuner - Chromatic

Tuner for Guitar Bass Ukulele

8.2K ratings
379 reviews
With Ads
📚 Education
🎵 Music
Free
In-App PurchasesWith Ads

Details

Released
May 7, 2011
Updated
August 23, 2026

Features

Developer

Last Harmonic LLC
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Guitar Tuner - Chromatic screenshot #1 for iPhone
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🧾$4.99
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About

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 instrument
✓Chromatic tuning for any note
✓Accurate to 0.33 Hz
✓Noise cancellation slider
✓Fine tuning display (+/- 50 cents)
✓Fast 0.1 second refresh rate
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What users say about Guitar Tuner

Reviews of Guitar Tuner are mixed: the Music app is rated 4.6/5 from 8.2K App Store ratings. What users like most: simple and easy to use, accurate tuning. Top complaints: unstable and freezes/crashes frequently, struggles with lower strings and some notes. Summarized from real user reviews.

Positive things

  • 👍Simple and easy to use
  • 🚀Accurate tuning
  • 💡Useful background noise filter
  • 🎨Clean and intuitive interface
  • 🆓Free and no ads

Negative things

  • 🐛Unstable and freezes/crashes frequently
  • 🤔Struggles with lower strings and some notes
  • 🤷‍♂️Inconsistent performance across devices
  • 🙄Displays incorrect note information at times
See all reviews

What's New in Guitar Tuner

4.0.1

August 23, 2026

Fixed a bug when launching the app with siri

1

Subscriptions & In-App Purchases

$4.99

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User reviews

Most RecentHighest RatedLowest Rated

Update is great!

New algorithm seems more accurate and addresses my main concern about the needle jumping around
HHoddez

Accuracy

It’s really not accurate enough
KSKaylor Salt

Gf

Gg TV
DDifffhhhg

Super helpful

I really enjoy using this app. It makes tuning my guitar simple as a beginner in guitar. It is especially helpful since my ear is not fully trained for what notes should actually sound like.
Ddepstein

Can’t Even use the app

When I installed it I couldn’t Even open the app so please fix this
AIAlex H ierd
See 374 more reviews

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User experience

🐞

Reported Bugs

3 issues

Freezes and crashes on certain devices

Bug

Incorrect note detection and tuning

Bug

Fails to work in noisy environments

Bug
✨

Requested Features

3 requests

Add more tuning options (e.g. drop tunings)

Feature

Improve stability and reduce crashes

Feature

Provide more customization options

Feature

FAQ

What does this app do?

This application functions as a chromatic tuner, utilizing your device's microphone to provide accurate pitch readings for any instrument. It is designed to be simple and effective, helping musicians ensure their instruments are in tune.

What are the key features of this tuner?

Key features include compatibility with any instrument and any note (chromatic tuning), accuracy to 0.33 Hz, a slider to filter background noise, a detailed fine-tuning display with +/- 50 cent range, and an extremely fast 0.1-second refresh rate.

Is this app free to use?

The app is free to download and use, but it does include in-app purchases and advertisements. This allows for continued development and support while offering core functionality at no initial cost.

What instruments can I tune with this app?

This tuner works with any instrument that produces a musical pitch. Its chromatic nature means it can accurately tune any note, making it versatile for a wide range of stringed, wind, and other instruments.

How accurate is this tuner?

The tuner is highly accurate, with a stated precision of 0.33 Hz. It also offers a fine-tuning display that shows pitch deviations in 2 cent increments within a +/- 50 cent range, allowing for very precise adjustments.