# qTuner - Pitch Tuning Tool — Musical instrument Tuner

> Musical instrument Tuner (iPhone/iPad app by Lei Cao.)

- Source: https://appshunter.io/ios/app/qtuner-pitch-tuning-tool/id1614502535 (this page in markdown: same URL + `.md`)
- Developer: [Lei Cao](https://appshunter.io/developer/1578550166)
- Category: Music, Utilities, Music
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 30 MB
- Languages: English
- Released: 2022-04-30
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/qtuner-pitch-tuning-tool/id1614502535/reviews.md

## What is qTuner?

A powerful tool for your daily musical instrument tuning!

qTuner provides below useful main features for your daily tuning:

1. Powerful tuning ability comes with 3 selectable tunning algorithms. (AMDF, ACF2PLUS and DynamicWavelet)

2. Able to display pitch notes directly in musical staff with 3 selectable clef types (G, C and F)

3. Capable of tuning popular instruments (violins, guitars, ukuleles and etc...). You can even add customized instruments for your own tuning needs.

Tune generator delivers all generated ptichs ranged from C1 to B6. You can generate tone from 5 available instruments (bass, string, guitar, piano and accordion)


## Version history (last 3 releases)

### 2.1 — 2022-05-02

- Updated Marketing URL
- Fixed a rare glitch that caused tone generation not play in loop when pressing loop button

### 2.0 — 2022-05-01

- Better UI performance while tuning

### 1.0 — 2022-04-30

No release notes.

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## More apps by Lei Cao

- [PicSnatcher - Image Recognizer](https://appshunter.io/ios/app/picsnatcher-image-recognizer/id1578550164)
- [InstColor](https://appshunter.io/ios/app/instcolor/id1662424895)

All apps by Lei Cao: https://appshunter.io/developer/1578550166

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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 2026-05-15.*