Fretzl - Guitar's Language App
Simple & Fun Guitar Practice
Free · In‑App Purchases
Learn the language of guitar!
Designed for beginners and experienced guitar players who want to understand the instrument deeply, Fretzl guides you through the fundamentals and more on the fretboard. Learn from a structured series of in-depth courses in notes, intervals, chords, chord inversions, scales, and arpeggios.
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Fretzl makes it easy:
• Go at your own pace by choosing a daily goal and building a streak!
• Unleash your soloing and comping creativity by discovering new chords, scales, and arpeggios
• Spaced repetition means we'll keep track of what you need to review and when so you don't forget
• Learn the theory with our intuitive and hands-on approach in lessons
• Build fundamental fretboard skills you can apply no matter what style or songs you want to play
• Break bad habits of memorizing tab numbers and really understand what you're playing with our intervals-based approach
• Train your ear so you can play anything you can hear
• Get ready for practice with a built-in tuner
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How Fretzl Works
Fretzl uses fast modern study methods like spaced repetition to build up your understanding and strengthen your memory along your journey to guitar mastery. Skills are learned in a logical progression and you can take time to review your trouble areas. Whether you hope to play rock, jazz, classical, blues, or any other major guitar style, Fretzl will help you build intuition on the instrument. Give it a try and see how Fretzl can help you on your path.
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Any questions, thoughts, or concerns? We'd love to hear from you at contact@fretzl.com
Privacy: https://fretzl.com/#privacy
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Bug fixes, pitch detection improvements, background noise handling, improved tuner! Thank you and please report issues to support@fretzl.com!
The developer, Decbl LLC, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Decbl LLC
- Size
- 20.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Fretzl Pro (Monthly) $4.99
- Fretzl Pro (Yearly) $39.99
- Copyright
- © 2026 Decbl LLC