# LH Tuner

> Accurate instrument tuner and tone generator for musicians. (iPhone/iPad app by 昊 刘.)

- Source: https://appshunter.io/ios/app/lh-tuner/id877746374 (this page in markdown: same URL + `.md`)
- Developer: [昊 刘](https://appshunter.io/developer/652348004)
- Category: Music
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings
- Age rating: 4+
- Requires: iOS 9.0 · 33 MB
- Languages: American English
- Released: 2014-05-21
- Data updated: 2026-06-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/lh-tuner/id877746374/reviews.md

## What is LH Tuner?

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.

Features:
- 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

## Key features

- ±0.001 semitone accuracy
- Supports acoustic and electric instruments
- Adjustable A4 calibration
- Tone generator with 4 wave types
- Multiple temperament options
- Customizable keyboard


## Frequently asked questions about LH Tuner

### How accurate is LH Tuner?

LH Tuner offers exceptional accuracy, precise to ±0.001 semitone or ±0.1 cent. This level of precision ensures your instruments are perfectly in tune.

### What instruments can LH Tuner tune?

LH Tuner can tune most acoustic and electric instruments, including piano, acoustic/electric guitar, bass, strings, brass, woodwinds, and tympani.

### Does LH Tuner have a tone generator?

Yes, LH Tuner features a tone generator with four wave types (sine, saw, triangle, square) and an automatic frequency calculating system that works under any chosen temperament.

### Can I adjust the tuning reference frequency in LH Tuner?

Yes, you can set the basic frequency for note A4 from 430Hz to 450Hz. This allows for flexible tuning based on your needs or ensemble requirements.

### What temperaments does LH Tuner support?

LH Tuner supports Equal, Pythagorean, and Just Intonation temperaments, providing versatility for different musical styles and instruments.

### Does LH Tuner have ads?

LH Tuner is completely ad-free, allowing for an uninterrupted tuning experience.

### What devices is LH Tuner compatible with?

LH Tuner is available for iPhone and iPod devices.

### How often is LH Tuner updated?

LH Tuner was last updated on 2025-06-16, indicating active development and support for the application.

## Version history (last 5 releases)

### 2.4 — 2025-06-16

New in 2.4 – Tuned Up!
• Smooth audio input on iOS 18 – no more glitches
• Clean visual support for latest iPhones
• Faster UI response and tighter layout handling
• Minor bug fixes & performance polish

### 2.2 — 2021-11-19

new iPhones adapted

### 2.1 — 2019-09-09

Bugs fixed.

### 2.0 — 2016-07-19

Full support for iOS 9.

### 1.1 — 2014-05-29

Fixed Rate Me.
Added Help Section.

## Apps similar to LH Tuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Bass Tuner BT1](https://appshunter.io/ios/app/bass-tuner-bt1/id1433908656) | 4.6 (1,295) | Free | Music |
| [Double Bass Tuner Basic](https://appshunter.io/ios/app/double-bass-tuner-basic/id1420917410) | 4.2 (187) | Free | Music |
| [Accurate Tuner](https://appshunter.io/ios/app/accurate-tuner/id1261722095) | — | $5.99 | Music |
| [Tuner Gauge: Chromatic Tuner](https://appshunter.io/ios/app/tuner-gauge-chromatic-tuner/id6751610479) | 5.0 (1) | Free | Music |
| [Harp Tuner](https://appshunter.io/ios/app/harp-tuner/id1367867833) | 2.0 (1) | $5.99 | Music |
| [Trumpet Tuner - Tone Generator](https://appshunter.io/ios/app/trumpet-tuner-tone-generator/id6742679723) | 4.0 (2) | Free | Music |

## More apps by 昊 刘

- [LH Rubbing](https://appshunter.io/ios/app/lh-rubbing/id652348001)
- [LH Grain](https://appshunter.io/ios/app/lh-grain/id673676932)
- [LH XYZ](https://appshunter.io/ios/app/lh-xyz/id676800278)
- [Tuner And Metronome](https://appshunter.io/ios/app/tuner-and-metronome/id885575354)
- [XII AudioVisual](https://appshunter.io/ios/app/xii-audiovisual/id905741418)

All apps by 昊 刘: https://appshunter.io/developer/652348004

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*