# C Tuner — Tuner

> Simple, analog-style instrument tuner with metronome for musicians. (iPhone/iPad app by CTIS Co.,Ltd..)

- Source: https://appshunter.io/ios/app/c-tuner/id1516461982 (this page in markdown: same URL + `.md`)
- Developer: [CTIS Co.,Ltd.](https://appshunter.io/developer/382617671)
- Category: Education, Music
- Price: $2.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.1 · 13 MB
- Languages: English
- Released: 2020-08-13
- Data updated: 2026-07-07
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/c-tuner/id1516461982/reviews.md

## What is C Tuner?

The tuner is a must-have item for every musician.
Therefore, we created this app to provide users with low price with simple functions.

Highlight:
-Intuitive interface screen.
-The screen is designed with analog sensitivity.
-The basic metronome is implemented with a simple interface.
-When you play the instrument on the Classic screen, it is displayed on the screen.

The function of this tuner will be continuously improved in the future.

2021.06 : You can also check it on Apple iWatch !

About CitrineINS:
We are creating the future of the smart mobile world.
We are also the creators and providers of the best apps for business users. Learn more at www.citrineins.co.kr.

Support information:
- Terms and Policy: http://www.citrineins.co.kr/new_privacy
- Support website: http://www.citrineins.co.kr
- Instagram follow address: https://www.instagram.com/citrine_ins/
- Other versions and information: http://www.polytalk.co.kr

## Key features

- Intuitive analog interface
- Precise tuning display
- Basic metronome function
- Visual instrument feedback
- Apple Watch support


## Frequently asked questions about C Tuner

### What is C Tuner?

C Tuner is a paid application designed to help musicians tune their instruments accurately. It offers an intuitive interface with analog sensitivity and includes a basic metronome function.

### How much does C Tuner cost?

C Tuner is a paid app priced at $2.99. This one-time purchase grants you access to all its tuning and metronome features.

### What devices does C Tuner support?

C Tuner is available for iPhone and iPod. It also offers compatibility with Apple Watch, allowing for convenient tuning on your wrist.

### Is C Tuner suitable for beginners?

Yes, C Tuner is designed with a simple and intuitive interface, making it easy for beginners to use. The analog display provides clear visual feedback for accurate tuning.

### Does C Tuner have ads?

No, C Tuner does not contain advertisements. As a paid application, it offers an ad-free experience for uninterrupted practice.

### How often is C Tuner updated?

The latest version of C Tuner was released on March 11, 2025. The developer, CTIS Co.,Ltd., indicates that the tuner's functions will be continuously improved in the future.

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

C Tuner has an age rating of 4+, making it suitable for a wide range of users. The app focuses on educational and utility features for musicians.

### Can C Tuner be used for any instrument?

While the description highlights its use when playing an instrument and displaying it on screen, the core function is tuning. It is generally suitable for most instruments that require tuning.

## Version history (last 3 releases)

### 1.2 — 2025-03-11

version bug fix

### 1.1 — 2021-06-29

You can also check it on Apple iWatch !

### 1.0 — 2020-08-13

No release notes.

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## More apps by CTIS Co.,Ltd.

- [Polytalk](https://appshunter.io/ios/app/polytalk/id1382517308)
- [iPolytalk Card](https://appshunter.io/ios/app/ipolytalk-card/id1403219847)
- [iPolytalkKorean](https://appshunter.io/ios/app/ipolytalkkorean/id1439542072)
- [iPolytalkKorean3](https://appshunter.io/ios/app/ipolytalkkorean3/id1439906918)
- [iPolytalkKorean2](https://appshunter.io/ios/app/ipolytalkkorean2/id1439907030)
- [iPolytalkKorean4](https://appshunter.io/ios/app/ipolytalkkorean4/id1439907240)

All apps by CTIS Co.,Ltd.: https://appshunter.io/developer/382617671

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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 2026-07-07.*