Screenshots
About this app
Features: + Automatically detects the note and cent deviation for a wide variety of instruments + Accurate up to 1/1000 semitone (0.1 cent) + High contrast, high visibility user interface + Instrument presets + User selectable noise threshold + Settable A4 frequency + Frequency table + Select and edit historical temperaments
What's new
Version 5.3.0 · Aug 14, 2026
Introducing Strobe mode in beta, with a true eight-octave stroboscopic display. This release also improves iPhone audio startup reliability and light/dark mode visibility throughout the app.
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