NEW on Google Play: Harmonic Tuner Guitar Setup

Easily set up guitar & bass intonation: Detect bridge and nut errors & adjustments with Harmonic Tuner Guitar Setup.

Harmonic Tuner Guitar Setup is a novel tuner app for easy and quick intonation assessment & setup of fretted instruments like guitar, bass, mandolin, ukulele etc. Only a well-intonated instrument sounds perfectly in tune along the whole fretboard.
The app shows how much bridge and nut of a guitar should be adjusted to get optimal intonation on your instrument based on only a few automated tuning measurements of your string’s notes. If string length is too short or too long at bridge or nut, the errors are shown as millimeter or inch values.
Use the app to perfectly set up your own instrument or to compare instruments in the shop, checking if the nontrivial task of nut adjustment was properly done by the luthier / manufacturer.

Get Harmonic Tuner Guitar Setup on Google Play.

The protocol diagram shows the tuning difference of fretted notes to the open string. Use the Zoom Button and Intonation Table for a detailed view. Adjustment of bridge and nut is usually only needed if average tuning deviation exceeds a 1 cent tolerance significantly.

Harmonic Tuner Guitar Setup eases the precise intonation assessment and correction of guitar setups. Compared to the conventional intonation setup method, this app does not require the string being precisely tuned +/-1 Cent to reference, because only the tuning difference is relevant here. Harmonic Tuner has the advantage of evaluating multiple notes to calculate a more precise adjustment error. Furthermore the amount of error is displayed, so time-consuming trial-and-error adjustments can be skipped.

More tuning protocol features (storing, comparing protocols, …) are available in Harmonic Tuner Intonation Expert. The upcoming next version of Intonation Expert will have the new Guitar Setup features as well, supporting even stretch tuning adjustments and adjustments for special unequal temperament fret/nut layouts.

See how significant the degrading effect of  worn strings on intonation and adjustability is: Worn vs. fresh strings, measured with Intonation Expert for Android.

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