# Erhu Tuner - TrueStudio — Easy & Accuracy

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

- Source: https://appshunter.io/ios/app/erhu-tuner-truestudio/id1464890149 (this page in markdown: same URL + `.md`)
- Developer: [Qiaochu Zhu](https://appshunter.io/developer/1464643022)
- Category: Music, Utilities
- Price: Free
- Rating: 4.80/5 from 63 App Store ratings · 23 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 28 MB
- Languages: Chinese (Simplified, China), American English
- Released: 2019-05-24
- Data updated: 2026-08-28
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/erhu-tuner-truestudio/id1464890149/reviews.md

## What is Erhu Tuner?

Erhu 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

- Real-time audio analysis
- Sharp/flat note indication
- Microphone-based tuning
- Professional tuning accuracy
- Easy-to-use interface

## Recent user reviews (10 of 23)

All indexed reviews: https://appshunter.io/ios/app/erhu-tuner-truestudio/id1464890149/reviews.md

### 5/5 — 好用

*2026-08-11*

方便实用，感谢

### 5/5 — 是我用过最好用的

*2026-07-18*

所有用过的就这个十分表达清楚

### 5/5 — 二胡演奏家

*2026-07-11*

很好用

### 4/5 — 能不能调整一下？

*2026-06-30*

他让我把琴弦扭松一点，琴弦直接崩了。我好崩溃！！！直接给他拉完了！！！！！

### 5/5 — 调音，节拍

*2026-06-12*

非常好，大家都来用吧，免费的

### 2/5 — 变差了。

*2026-06-11*

之前用过的，是很不错的。但是最近半年以来，调音时毫无反应的。

### 5/5 — 可靠的app。实用方便快捷的特点。

*2026-06-06*

这款调音器特别好用。是有心学习二胡演奏技巧的好帮手。

### 5/5 — 好用

*2026-05-13*

这个二胡调音软件真好，我一直在用都好好的，就是最近经常出故障，问题是中间的节拍器好着可用，左边的调音气球和右边的指针功能死了，不能用了。希望哪位老师能帮忙给我指导一下吧！谢谢🙏

### 5/5 — 确实非常赞的软件

*2025-08-28*

调的音非常之准，节拍器也很好用，总之非常棒的一款有用软件。

### 5/5 — 非常好用

*2025-08-15*

非常实用

## Frequently asked questions about Erhu Tuner

### Does Erhu Tuner have ads?

Yes, Erhu Tuner contains advertisements. This allows the app to remain free for users to download and utilize for their tuning needs.

### How accurate is Erhu Tuner?

Erhu Tuner is designed for professional tuning accuracy, using real-time audio analysis to indicate if a note is sharp or flat.

### What devices is Erhu Tuner compatible with?

Erhu Tuner is compatible with iPhone and iPod devices.

### What is the age rating for Erhu Tuner?

Erhu Tuner has an age rating of 4+, making it suitable for a wide range of users.

### How often is Erhu Tuner updated?

The latest version, 2.0.0, was released on March 7, 2025, indicating active development and updates.

### What is the user feedback like for Erhu Tuner?

Erhu Tuner has received excellent user feedback, holding a perfect 5.0-star rating from 27 reviews.

### Can Erhu Tuner tune any instrument?

While the description specifically mentions ukulele, the app's real-time audio analysis and sharp/flat indication are applicable to tuning various stringed instruments.

## Version history (last 4 releases)

### 2.0.0 — 2025-03-07

fix bugs

### 1.5.0 — 2023-06-16

- fix bugs

### 1.1.0 — 2021-05-11

- fix bugs

### 1.0.0 — 2019-05-22

No release notes.

## Apps similar to Erhu Tuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Twelve-Tone Tuner](https://appshunter.io/ios/app/twelve-tone-tuner/id1448477362) | 5.0 (1) | Free | Music |
| [弦趣二胡音准练习](https://appshunter.io/ios/app/id1577063918) | — | Free | Music |
| [二胡调音器](https://appshunter.io/ios/app/id1314785916) | 5.0 (1) | Free | Music |
| [弦趣二胡调音器](https://appshunter.io/ios/app/id1608411204) | — | Free | Music |
| [Erhu Vista - Tuner & Fingering](https://appshunter.io/ios/app/erhu-vista-tuner-and-fingering/id6739306930) | — | Free | Music |
| [民乐调音大师 - 快捷专业调音器](https://appshunter.io/ios/app/id1314138563) | 4.9 (11) | 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)
- [Violin Tuner - TrueStudio](https://appshunter.io/ios/app/violin-tuner-truestudio/id1464889675)
- [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

[erhu tuner](https://appshunter.io/ios/topics/erhu-tuner) · [erhu](https://appshunter.io/ios/topics/erhu) · [erhu tuner for dummies](https://appshunter.io/ios/topics/erhu-tuner-for-dummies) · [soloist erhu](https://appshunter.io/ios/topics/soloist-erhu)

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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 2026-08-28.*