# Guitar Tuner - TrueStudio — Easy & Accuracy

> Professional ukulele tuner utilizing iPhone microphone for real-time sound analysis. (iPhone/iPad app by Qiaochu Zhu.)

- Source: https://appshunter.io/ios/app/guitar-tuner-truestudio/id1464889008 (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 45 App Store ratings · 22 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 28 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2019-05-24
- Data updated: 2026-09-01
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/guitar-tuner-truestudio/id1464889008/reviews.md

## What is Guitar Tuner?

Guitar 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 ukulele tuning
- Real-time sound analysis
- Sharp/flat note indication
- Uses iPhone microphone
- Easy to use interface

## Recent user reviews (10 of 22)

All indexed reviews: https://appshunter.io/ios/app/guitar-tuner-truestudio/id1464889008/reviews.md

### 5/5 — 吉他届的GOAT

*2026-05-11*

无敌，还能自定义单弦音阶

### 5/5 — 赞

*2026-04-26*

很好用！感谢作者！

### 5/5 — 很棒的软件

*2026-04-26*

不收费，纯公益，节拍器也有，很棒的软件

### 5/5 — 声音不能从蓝牙音箱输出

*2026-04-22*

声音不能从蓝牙音箱输出

### 5/5 — 好用好用好用

*2026-04-12*

非常的beautiful！！！

### 5/5 — 暂时不收费

*2026-03-26*

干净清爽无广告

### 5/5 — 调音器

*2026-02-27*

方便、准确。

### 5/5 — 有良心的APP

*2026-02-27*

很优秀的软件

### 5/5 — 好👍，免费

*2026-02-09*

牛

### 5/5 — ggh

*2026-01-29*

调的音很准

## Frequently asked questions about Guitar Tuner

### How accurate is Guitar Tuner for tuning a ukulele?

Guitar Tuner is designed to be a professional and accurate tuner. It uses your iPhone's microphone to analyze the sound in real-time, providing precise feedback on whether a note is sharp or flat.

### Does Guitar Tuner work on Android devices?

Based on the provided information, Guitar Tuner is currently supported on iPhone and iPod devices. It has not been specified for Android compatibility.

### What is the latest version of Guitar Tuner and when was it last updated?

The latest version of Guitar Tuner is 2.0.0, and it was last updated on March 9, 2025. This indicates regular updates and ongoing development.

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

Guitar Tuner has an age rating of 4+, making it suitable for a wide range of users, including younger musicians.

### Does Guitar Tuner have ads?

Yes, Guitar Tuner contains advertisements. This is a common way for free music utility apps to support their development and maintenance.

### How does Guitar Tuner indicate if a note is sharp or flat?

The app listens to your ukulele's sound through your iPhone's microphone and analyzes it in real-time. It then visually indicates whether the note you are playing is sharp (too high) or flat (too low).

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

The app has received a 5.0-star rating from 8 reviews, suggesting a very positive user sentiment and satisfaction with its performance and accuracy.

### Can Guitar Tuner be used for instruments other than the ukulele?

While the description specifically mentions it as a professional tuner for ukulele, the real-time sound analysis technology could potentially be useful for other stringed instruments. However, its primary design focus is on ukulele tuning.

## Version history (last 4 releases)

### 2.0.0 — 2025-03-09

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 Guitar Tuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Guitar Tuner - Simply Tune](https://appshunter.io/ios/app/guitar-tuner-simply-tune/id1573260863) | 4.8 (102,856) | Free | Music |
| [Bass Tuner >>](https://appshunter.io/ios/app/bass-tuner/id1471438485) | 4.2 (705) | Free | Music |
| [Guitar Tuner - GuitarTunio](https://appshunter.io/ios/app/guitar-tuner-guitartunio/id1448661287) | 4.7 (4,186) | Free | Music |
| [Guitar Tuner: Bass and Ukulele](https://appshunter.io/ios/app/guitar-tuner-bass-and-ukulele/id1090819417) | 4.7 (2,456) | Free | Music |
| [Chordify: Songs, Chords, Tuner](https://appshunter.io/ios/app/chordify-songs-chords-tuner/id1073624757) | 4.7 (33,502) | Free | Music |
| [Ultimate Guitar: Chords & Tabs](https://appshunter.io/ios/app/ultimate-guitar-chords-and-tabs/id357828853) | 4.7 (473,707) | Free | Music |

## More apps by Qiaochu Zhu

- [Ukulele Tuner - Ukutuna](https://appshunter.io/ios/app/ukulele-tuner-ukutuna/id1464643023)
- [Violin Tuner - TrueStudio](https://appshunter.io/ios/app/violin-tuner-truestudio/id1464889675)
- [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

[vocaberry tuner](https://appshunter.io/ios/topics/vocaberry-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 2026-09-01.*