# Violin Tuner - TrueStudio — Easy & Accuracy

> Real-time audio analysis for accurate instrument tuning. (iPhone/iPad app by Qiaochu Zhu.)

- Source: https://appshunter.io/ios/app/violin-tuner-truestudio/id1464889675 (this page in markdown: same URL + `.md`)
- Developer: [Qiaochu Zhu](https://appshunter.io/developer/1464643022)
- Category: Music, Utilities
- Price: Free
- Rating: 4.90/5 from 59 App Store ratings · 46 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 28 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2019-05-25
- Data updated: 2026-08-29
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/violin-tuner-truestudio/id1464889675/reviews.md

## What is Violin Tuner?

Violin Tuner is a professional tuner for ukulele that allows you to quickly and accurately tune your instrument using iPhone.

This app uses your phone's microphone to listen and analyse the sound in real time and indicate if the note is sharp or flat.

Please send comments,feature requests or report bugs to truestudio.org@gmail.com.

Your feedback is greatly appreciated.

## Key features

- Professional instrument tuner
- Real-time sound analysis
- Sharp/flat note indication
- Uses device microphone
- Easy and accurate tuning

## Recent user reviews (10 of 46)

All indexed reviews: https://appshunter.io/ios/app/violin-tuner-truestudio/id1464889675/reviews.md

### 5/5 — Amazing

*2026-05-18, version 2.0.0*

good tuber very good app

### 5/5 — 特别好用！特别有用！

*2026-05-09*

可以调空弦音，可以根据频率校其它音准，还带节拍器，三位一体简直完美，太好用了都给我下载！
要是节拍器能连蓝牙音响就更好了！节拍器目前只能手机播放

### 5/5 — Omg I love this

*2026-05-01, version 2.0.0*

This app help me be able to play songs over break and it also going to help me in the future thanks so much!

### 5/5 — 最好用的小提琴调音器

*2026-04-17*

无广告还能选择自动模式

### 5/5 — 蓝牙连接

*2026-03-29*

手机已连接了蓝牙音响，但节拍器声音只在手机里听到，蓝牙音响没有声音，如果蓝牙音箱有声音就更完美了。

### 5/5 — 很好用

*2025-12-29*

用起来很方便 提供的功能很实用

### 4/5 — 评价

*2025-12-28*

有些音没有播出来，我理解。应该是不支持

### 5/5 — 好用

*2025-12-27*

非常好用啊，老师推荐的，good

### 5/5 — 不断升级很好！希望能告诉用用户！

*2025-12-09*

以后再评吧！如何正确使用？给个说明好吗？

### 5/5 — 为热爱正心

*2025-11-27*

调音器为弦定音，我为热爱正心，每一次校准，都是与音乐温柔相拥的开始。

## Frequently asked questions about Violin Tuner

### What does Violin Tuner do?

Violin Tuner is a professional application designed to help you tune your stringed instruments with ease and accuracy. It listens to the sound of your instrument through your phone's microphone and provides real-time feedback.

### How does the app indicate if a note is sharp or flat?

The app analyzes the sound captured by your device's microphone in real-time. It then visually indicates whether the played note is too high (sharp) or too low (flat), guiding you to adjust your instrument accordingly.

### Is Violin Tuner free to use?

The application is available for free. However, it does contain advertisements, which is how the app is supported.

### What instruments can I tune with this app?

While the app is named Violin Tuner, the description specifically mentions it is a professional tuner for ukulele. It is designed to tune stringed instruments.

### What devices is Violin Tuner compatible with?

The application is designed to work with iPhones, utilizing their built-in microphones for sound analysis and tuning.

## Version history (last 4 releases)

### 2.0.0 — 2025-03-10

fix bugs

### 1.5.0 — 2023-06-13

- fix bugs

### 1.1.0 — 2021-05-11

- fix bugs

### 1.0.0 — 2019-05-24

No release notes.

## Apps similar to Violin Tuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Guitar Tuner - Ukulele & Bass](https://appshunter.io/ios/app/guitar-tuner-ukulele-and-bass/id662890455) | 4.4 (7,464) | Free | Music |
| [Metronome Tuner \| Practice+](https://appshunter.io/ios/app/metronome-tuner-practice-plus/id858142974) | 4.4 (2,812) | Free | Music |
| [Pitch Pro Tuner & Metronome](https://appshunter.io/ios/app/pitch-pro-tuner-and-metronome/id1169667039) | 4.6 (2,682) | Free | Music |
| [Tunable – Tuner & Metronome](https://appshunter.io/ios/app/tunable-tuner-and-metronome/id608540795) | 4.8 (6,799) | $7.99 | Music |
| [Metronome+](https://appshunter.io/ios/app/metronome-plus/id434136233) | 4.5 (1,199) | Free | Music |
| [n-Track Tuner](https://appshunter.io/ios/app/n-track-tuner/id409786458) | 4.7 (3,166) | Free | Music |

## More apps by Qiaochu Zhu

- [Ukulele Tuner - Ukutuna](https://appshunter.io/ios/app/ukulele-tuner-ukutuna/id1464643023)
- [Guitar Tuner - TrueStudio](https://appshunter.io/ios/app/guitar-tuner-truestudio/id1464889008)
- [Erhu Tuner - TrueStudio](https://appshunter.io/ios/app/erhu-tuner-truestudio/id1464890149)
- [Pipa Tuner - TrueStudio](https://appshunter.io/ios/app/pipa-tuner-truestudio/id1464890295)
- [Ukulele Tuner - TrueStudio](https://appshunter.io/ios/app/ukulele-tuner-truestudio/id1525664370)

All apps by Qiaochu Zhu: https://appshunter.io/developer/1464643022

## Related topics

[prusa belt tuner](https://appshunter.io/ios/topics/prusa-belt-tuner)

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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 2026-08-29.*