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Chromatic instrument tuner
and pitch pipe that allows you to quickly and accurately tune your instrument using the built-in mic in your iPhone or iPad.

Lite version (for free)

Full version ($2.99)
Ultra fine tuning display
By needle meter display and spectrum power indicator, you can understand sound more intuitively. Plusadd Tuner has high accuracy ±0.01 semitone (±1 cent) .
You can change tuning freely
Notation
English
Solfège
Northern European
Transposition

-6 (F#) 〜 +5 (F)
Temperament
Equal temperament
Just intonation (Major, Minor)
Kirnberger III, and so on

* Paid version "Plusadd Tuner" supports a custom temperaments, transposition, notations.
Plusadd Tuner is designed to fit into any kind of music
Supported note range is from E1 to A8
Feature & Price

$0
$2.99

Needle meter display
Ultra responsive 50 cent range fine tuning display
LED display easy-to-understand high and low sound
Accuracy ±0.01 semitone (±1 cent)
Pitch Pipe/Tone generator
Automatic reference note calibration
Current frequency display
Power spectrum indicator
Selectable Temperaments
Selectable Notations (such as Solfège)
Support for transposing instruments