PianoHz
Tools
Understand pitch&frequency, find hidden feedback, and use essential audio tools.
- Downloads
- 37+
- on Google Play
- Price
- $2.49
- No in-app purchases
- Updated
- Aug 10
- 2026 · v1.0.0.21
Screenshots
About PianoHz
PianoHz is an app designed for Android phones and tablets to help you understand and train the relationship between pitches and frequencies. It is specifically built to detect hidden acoustic feedback that is difficult to identify on a standard RTA.
Additionally, the app features a 1/3 octave RTA, an instrument tuner, a metronome, and various audio conversion calculators and reference charts essential for sound engineering.
Additionally, the app features a 1/3 octave RTA, an instrument tuner, a metronome, and various audio conversion calculators and reference charts essential for sound engineering.
What’s new
Version 1.0.0.21 · Updated August 10, 2026
Millimeters and milligrams have been added to CALC's unit converter. The code has been updated in accordance with the display recommendations for large tablets.
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