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Fretzl - Guitar's Language App

Fretzl - Guitar's Language App

Simple & Fun Guitar Practice

6 ratings
5 reviews
📚 Education
🎵 Music
Free
In-App Purchases

Details

Released
February 11, 2024
Updated
March 17, 2026

Developer

Decbl LLC
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About

Learn guitar fundamentals and advanced concepts through structured courses on notes, intervals, chords, and scales. This app uses spaced repetition and an intuitive approach to build fretboard skills and ear training, helping you understand your playing beyond memorizing tabs.

✓Structured courses on notes, intervals, chords, and scales
✓Spaced repetition for memory retention
✓Intuitive and hands-on learning approach
✓Fretboard skill building
✓Ear training
✓Built-in tuner
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What's New in Fretzl

1.3.0

March 17, 2026

Bug fixes and microphone improvements!

2

Subscriptions & In-App Purchases

Fretzl Pro (Yearly)

Save 33% on the full Fretzl experience.

$39.991 Year
7 Days trial
How to cancel Fretzl subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Great app

I like the app a lot. I’ve tried many guitar learning apps and the way this app gives feedback really worked with me. :)
SSnorfed

Response from developer

Happy to hear you're enjoying the app! Thanks for the review!

perfect

I'm loving the experience! Very educational and easy to use.
Llleeffddss

this apps is so didactic!

I enjoyed the educational approach to learning how to play the guitar.Embraced the learning process!
Llarissefs

Amazing learning app

If you want to learn scales, chords, and the building blocks of music theory all in one this app makes it super easy and fun. I wish I had this when I started learning guitar, it’s a great way to learn how songs and solos are put together!
KHkyle hargus

Response from developer

Happy to hear you're enjoying the app! Thanks for the review!

Intuitive Design

Fretzl makes learning the guitar feel intuitive! Learned more in a day with Fretzl than months of YouTube videos.
GGeorgeDuffy25

Response from developer

Happy to hear you're enjoying the app! Thanks for the review!

FAQ

What is Fretzl?

Fretzl is a guitar learning application designed to help users understand the instrument's fundamentals and advanced concepts. It offers structured courses on notes, intervals, chords, scales, and arpeggios, utilizing spaced repetition for effective learning.

What learning methods does Fretzl use?

Fretzl employs fast, modern study methods like spaced repetition to build understanding and strengthen memory. It focuses on an intuitive and hands-on approach to learning music theory and fretboard skills.

Can Fretzl help with ear training?

Yes, Fretzl includes features to train your ear, enabling you to play anything you can hear. This complements the fretboard learning to provide a more comprehensive musical understanding.

Does Fretzl have a tuner?

Yes, Fretzl includes a built-in tuner to help you get ready for practice. This feature ensures your instrument is in tune, which is crucial for effective learning and playing.

What are the subscription options for Fretzl Pro?

Fretzl Pro offers monthly and yearly subscription plans. The monthly plan costs $4.99, while the yearly plan is $39.99 and includes a 7-day free trial.

How does Fretzl differ from memorizing guitar tabs?

Fretzl encourages users to break the habit of memorizing tab numbers. Instead, it focuses on an intervals-based approach, helping you truly understand what you are playing and build fundamental fretboard intuition.

What devices does Fretzl support?

Fretzl is available on iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms.

Is Fretzl suitable for all guitar styles?

Yes, Fretzl is designed to build fundamental fretboard skills that can be applied to any style of guitar playing, including rock, jazz, classical, and blues.