Tuner by Piascore

6.9easy start · #20of 32
in Musical Tuner Apps

Runs on iOS.

Tuner by Piascore is ranked #20 of 32 in musical tuner apps on The Geeks Club. It runs on iOS. There is a free plan.

Tuner by Piascore plans and pricing

Full $4.99 once Paid version; adds custom temperaments, transposition, and notations piascore.com · 10 Oct 2026

Lite Free Tuner Lite; feature set differs from Full piascore.com · 10 Oct 2026

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Purpose: A chromatic instrument tuner and pitch pipe that uses the built-in microphone on iPhone or iPad.
Accuracy: The maker states accuracy of ±0.01 semitone (±1 cent).
Display: It has a needle meter, a 50-cent fine-tuning display, an LED high/low indicator, and a power spectrum indicator.
Tone generator: It includes a pitch pipe or tone generator and automatic reference-note calibration.
Supported range: The supported note range is E1 to A8.
Tuning options: The page lists English, Solfège, and Northern European notation; transposition from -6 (F#) to +5 (F); and temperaments including equal temperament, just intonation, and Kirnberger III.
Instrument fit: Piascore says the tuner is designed to fit into any kind of music.
Current frequency: Current frequency display is listed among the features available in the Full version, but not Lite.
Platforms: The maker describes use on iPhone and iPad; the App Store listing says it requires iOS 14 or later and iPadOS 14 or later.
Security and privacy: Apple’s listing says the developer reports that the app does not collect data; Apple notes that this information has not been verified by Apple.
Support: For app problems, Piascore directs users to Feedback or Contact in the app’s Settings.
Company: Piascore says it was founded in 2010 and lists its address in Yokohama, Kanagawa, Japan.
Price from: Free

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