PROTUNE is made and published by Dark Castle Group, LLC. AppBrain is an independent app data site and isn't affiliated with Dark Castle Group, LLC. The app name, icon, screenshots and description belong to Dark Castle Group, LLC and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 3 ratings
- Last updated
- July 26, 2026
- Size
- 98.1 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on PROTUNE for iOS
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Store listing
By Dark Castle Group, LLC, from the App Store
Description by Dark Castle Group, LLC Written by the developer, not by AppBrain. Click to read.
PRECISION TUNING
• Real-time pitch detection with studio-quality accuracy
• Customizable A4 reference pitch (430-450 Hz)
• Adjustable sensitivity for any environment
INSTRUMENTS
• 6-String Guitar
• 7-String Guitar
• 12-String Guitar
• 4-String Bass
• 5-String Bass
• 6-String Bass
14+ TUNING PRESETS
• Standard
• Drop D
• Drop C
• Open G
• Open D
• DADGAD
• Half Step Down
• Full Step Down
• And more...
REFERENCE TONES
• Play reference tone for any string
• Clean and Dirty sound modes
• Loop playback option
THREE VISUAL SKINS
• Classic - Sleek dark interface
• Distressed - Grungy rock aesthetic
• Crow - Electric crow silhouette
THREE METER STYLES
• Arc LED - Modern curved display
• Classic - Traditional ruler style
• Strobe - Professional strobe tuner
Privacy Policy: https://protuneapp.com/privacy
Terms of Use (EULA): https://protuneapp.com/terms
Support URL: https://protuneapp.com/support
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 98.1 MB
- Content rating
- Everyone
Technologies used by PROTUNE
Releases
Updates seen on the App Store- Version
- 1.0.4
- Launched
- March 2026
No changelog data
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Rankings
App Store top chartsApp Store Rankings for PROTUNE
About the app and developer
About PROTUNE
PROTUNE is a music app developed by Dark Castle Group, LLC.
User Ratings
PROTUNE is rated 5.00 out of 5 stars. The rating is based on 3 ratings.
App Information
PROTUNE is freely available from the App Store. The app size is 98.15 MB. The latest version available is 1.0.4. The last update was on July 26, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Dark Castle Group, LLC
Address: