Guitar Tuner Free icon

Guitar Tuner Free APK

The best Free Chromatic Tuner for guitar and strings instruments.

2.0.0 for Android
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The explanation of Guitar Tuner Free

The best free tuner app for guitar, bass, ukulele, violin or any other strings instrument.
A must-have in your guitar toolkit.

Downloaded by over 1 million users!

Tune your guitar, bass or other instruments with the free n-Track Tuner in two steps:

1)Put your device next to your instrument and play each string
2)The tuner will automatically recognize the note you're playing and tell you wether you need to lower (green bar) or increase (red bar) the string's pitch.


•||| Spectrum Analyzer |||•

The audio spectrum analyzer provides a visual feedback of the notes played by the instrument and shows a small arrow to highlight the harmonic whose pitch the tuner is tracking.

•||| Diapason |||•

For those who prefer to manually tune their instrument the 'Diapason' view lets you play a reference tone, 'A' (440 hz) or any other note that you can select dragging the frequency slider.

Other free advanced features:

• tap to adjust the spectrum analyzer visualization options, select thicker spectrum lines, smooth out or highlights peaks, increase or decrease tuning sensitivity and precision (up to 0.1 cents)

• you can calibrate the tuner for non-standard tunings: tune the reference note, tap on the display and select 'Calibrate' to set the note as the new reference. You can also select non-standard musical temperaments, alternate note namings and much more

• select the Sonogram tab to view how the frequency spectrum changes with time, and follow the tuned note as it travels through the spectrum as a green line

n-Track Tuner works great with:

• Electric guitar tuner, Acoustic guitar tuner, Classic guitar tuner
• Bass tuner
• Ukulele tuner
• Banjo tuner
• Mandolino tuner
• Violin tuner
• Viola tuner
• Violoncello tuner
• Piano tuner
• Wind instruments tuner
• Other instruments or vocals

If you have problems with the app or suggestions for enhancements or new features please contact us at

• The app requires the internet permission to display ads

Guitar Tuner Free App 2.0.0 Version Update

May 09, 2019
• New cleaner redesigned user interface
• New analog tuner view
• New shiny 3D view - tune while watching the frequency spectrum from all directions!
• Fixed issue with Samsung App Monitor complaining of mic access

Contact us at [email protected] if you have problems with the app or if you have comments or suggestions - your feedback helps us to improve the app.

Additional App Info

Operating System: Android
Category: Music & Audio
Publish Date: Oct 22, 2012
Latest Version: 2.0.0
Min Installs: 1000000
Installs: 1,000,000+
Size: Varies with device
Requirements: Android 4.1 and up
Offers In-App Purchases: true
Contains Ads: true
Price: Free
Report: Flag as inappropriate
App uploaded by: Individual
Available on: Google Play Store

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Rating And Reviews

Jon A 5
Sep 24, 2018 US

Great tuning app I use it all the time

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نام و نام خانوادگی 5
Apr 14, 2017 US

Best android tunner!

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Hamid Aghaei 5
Jan 01, 2018 US

Thank you! This app helps me to teach my student many valuely concepts about sound and music!

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Elizabeth Garza 5
Jun 06, 2018 US

I 💖 it it helps me so much whenever my guitar is so out of tune

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Lawrence Grainger 5
Nov 11, 2019 US

Was good before - Even better now! Solid app. 3d view is rotatable and zoomable too.

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Tro Chakerian 5
Dec 22, 2015 US

I like how it shows the frequencies graphical and numerical forms.

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christophe di natale 5
Nov 11, 2018 US


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Vassilis Papathanasiou 5
Nov 14, 2015 US


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Jeremy McLeroy 5
Jun 11, 2019 US

I love the sonogram coupled with the tuner as well as the harmonic display, my favorite feature.. back to 5 stars!

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Adrian Showalter 5
Jun 09, 2018 US

I use the spectrum analyzer to tune my drum kit. Works great, best I've found so far for the Android.

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Emerson Eli Zamora artavia 5
Nov 10, 2016 US


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