Orchestra String Tuner
Violin, Viola & Cello Tuning
$3.99
Simple open-string tuning before practice or rehearsal, with violin, viola, cello, and A4 440–444 Hz support.
String Tuner is designed for open-string tuning on violin, viola, and cello.
Supported open strings:
• Violin: G3 / D4 / A4 / E5
• Viola: C3 / G3 / D4 / A4
• Cello: C2 / G2 / D3 / A3
Key features:
• Real-time pitch detection using the microphone
• Adjustable A4 reference: 440 / 441 / 442 / 443 / 444 Hz
• Reference tone for every supported open string
• Designed for iPhone and iPad
• English interface designed for musicians worldwide
Use it before individual practice, orchestra rehearsal, or ensemble preparation. Microphone detection stops while a reference tone is playing, preventing the app from measuring its own output.
Microphone audio is used only for on-device pitch analysis. Audio is never recorded, stored, transmitted, or uploaded.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.1 introduces an English interface for musicians worldwide and improves pitch-detection responsiveness and stability, including for lower strings.
The developer, Olive Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Olive Co., Ltd.
- Size
- 3.2 MB
- Category
- Music
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Olive Co., Ltd.
