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LH Tuner is a tuner app that helps you tune instruments quickly and accurately(±0.001 semitone or ±0.1 cent).It can tune most acoustic and electric instruments, such as piano, acoustic\electric guitar, bass, strings, brass, woodwinds, tympani etc.

You can set the basic frequency (note A4) from 430Hz to 450Hz.

Transposition function.

The Tone Generator has four wave types : sine,saw,triangle and square.

Two keyboard types. Classical and Custom Keyboard.

The Classical Keyboard is a piano keyboard model.

On the custom keyboard,you can set the frequency to any pitch you want to generate.

The Tone Generator has automatic frequency calculating system, which could work under any temperament you chose.

On the fine knob ,you can tune the cent of a generating note from -50 to +50 and display 'Hz'. The “init button “ initialize any offset to zero.

The knob has 3 modes: rotary horizontal and linear mode.

You can set the amplitude envelope, including attack and release time.

With the noiseGate, you can set threshold value and filter noise.

LH Tuner is well-designed and easy to use.

- Precise to ±0.001 semitone or ±0.1 cent
- Equal, Pythagorean and Just Intonation temperament
- Cent display. Note Wheel Display
- Needle meter display
- Precise to 0.01Hz (Tone Generator)
- Adjustable A4 (Concert A) calibration
- Tone Generator range :20Hz - 20000Hz
- Wave type selection. sine saw triangle square
- Mic input amplitude display
- Tone Generator output amplitude led display
- Custom keyboard
- Fine function
- Volume control
- Oct selector
- Key number display
- Keyboard type switch Shortcuts Key
- Auto save change
- Initialize

What’s New

Version 2.1

Bugs fixed.

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, LIU HAO, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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