Fretio
Guitar Learning & Practice
Only for iPhone
$1.99
iPhone
Learn guitar faster with real-time note detection, visual fretboard feedback, Circle of Fifths learning, and a built-in tuner.
Fretio helps guitar players build fretboard knowledge, ear training, and practice consistency with interactive visual feedback and real-time audio detection.
Use your iPhone microphone to detect notes while you play, train with an interactive fretboard, work through structured Circle of Fifths learning flows, and keep your instrument in tune with the built-in chromatic tuner.
Key features:
- Real-time note detection for guitar practice
- Interactive fretboard feedback
- Learning modules inspired by Circle of Fifths theory
- Built-in chromatic tuner
- Learning and practice modes for note drills, chord practice, and guided exercises
- Progress tracking for practice sessions and learning flows
- Configurable practice settings for pace and difficulty
Fretio is designed for beginners learning note positions and for experienced players refining theory, timing, and accuracy. Core audio processing happens on device, and the app does not require an account to access core features.
Whether you want to practice note recognition, improve your fretboard awareness, work through structured learning exercises, or tune up quickly before playing, Fretio gives you focused tools in one iPhone app.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Fix tapping offset issue
The developer, Fengming Zhong, 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
- Fengming Zhong
- Size
- 4.8 MB
- Category
- Music
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Fengming Zhong
