Dual Tuner

Dual Tuner

Single / Multi (Dual modes)

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Free
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Details

Released
October 9, 2026
Updated
October 11, 2026
Dual Tuner screenshot #1 for iPhone
Dual Tuner screenshot #2 for iPhone
Dual Tuner screenshot #3 for iPhone
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About

A tuner for musical instruments with two modes: "Single" and "Multi." [ Modes ] Single: Displays the note name of one string and its deviation from the target pitch on a meter. Ideal for accurately tuning one string at a time. Pitch analysis: ACF (Autocorrelation Function) Multi: Displays the pitches of multiple strings and their deviations from the target pitch. Quickly check the overall tuning of your instrument. Pitch analysis: FFT (Fast Fourier Transform) (*) Multi mode is a supplementary feature for quickly checking the condition of multiple strings. Use the high-precision Single mode for accurate adjustment and final checks. [ Main Features ] - Instrument selection (Guitar / Bass / Ukulele / Shamisen / Sanshin) - Tuning / choshi selection - Root-pitch setting for Shamisen and Sanshin (1 – 12) - Separate sensitivity adjustment for each mode - Reference pitch setting (415 – 465 Hz) - Note-name display (# / b) - Reference tone generator (20.0 – 468.0 Hz) [ Supported Tunings ] Guitar: Standard, Half Step Down, Whole Step Down, Drop C, Drop D, DADGAD, Open G Bass: 4-string, 5-string, 6-string Ukulele: Standard (High-G), Standard (Low-G) Shamisen: Hon-choshi, Ni-agari, San-sagari Sanshin: Hon-choshi, Ni-age, San-sage [ Tone Generator ] Select from four waveforms: Sine, Triangle, Square, Sawtooth. Set the frequency using the note buttons, slider, or numeric input. From tuning one string at a time to quickly checking multiple strings, switch modes to suit your needs.
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What's New in Dual Tuner

1.1.0

October 11, 2026

- Added support for additional instruments. (Ukulele, Shamisen, and Sanshin) - Added an option to temporarily hide banner ads by watching a rewarded ad. (2 hours)

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