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Guitar Codex

Guitar Codex

Chords, scales & 140 lessons

3 ratings
3 reviews
📚 Education
🎵 Music
Free
In-App Purchases

Details

  • Released
  • Updated
  • August 25, 2026
  • September 27, 2026

Features

Developer

CampCheck Interactive LLC
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🧾$9.99 - $19.99
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About

This app offers a comprehensive suite of tools for guitarists of all levels, from beginners to experienced players. It includes a tuner, metronome, interactive chord and scale libraries, and a structured 140-lesson course covering theory, technique, and songwriting.

✓Chromatic tuner with multiple presets
✓Metronome with tap tempo
✓Interactive circle of fifths
✓Extensive chord and scale libraries
✓140 structured lessons
✓Fretboard diagrams with color-coded notes
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What's New in Guitar Codex

1.0.3

September 27, 2026

Chord Finder. Did you just play a chord that sounded awesome and you have absolutely no idea what it's called? That's exactly why I built the Chord Finder. Tap the frets on a blank fretboard and watch the chord names appear, or use it to see how chords are built. Also new: an introduction that shows you around the app the first time you open it, a redesigned Home screen, and a fix so a fresh install gets the latest updates right away.

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Subscriptions & In-App Purchases

$9.99

Guitar Codex Pro

Every chord, scale, triad, and arpeggio.

User reviews

Most RecentHighest RatedLowest Rated

Very Good for Beginners

I have learned a lot of basics for the guitar. I have now graduated and advanced to some of the more complicated things! Also capitalized titles.
CheeseballLicker3000CheeseballLicker3000

So helpful!

I have been looking for an app that could give me everything I needed in one place. I even find myself using the features I didn’t think I would, like the metronome. I really appreciate the intuitive layouts for all the chord variations up and down the neck.
LaseryetiLaseryeti

Everything you need in one place

I’m always going online and either watching YouTube or looking for chords for a song to learn, and these days, the sites don’t have the actual tabs for the chords. Now I can just use this app to figure out the exact fingering for any song I need. Plus, since I was never formally trained, I can learn some fundamentals while I’m here. Been helpful for me!
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Wedding TacklerWedding Tackler

FAQ

What is Guitar Codex?

Guitar Codex is a music app designed to help guitarists learn and practice. It offers tools like a tuner, metronome, and extensive libraries of chords and scales, alongside a structured 140-lesson course.

Is Guitar Codex free to use?

Yes, Guitar Codex is free to download and use. The free version includes the full tuner, metronome, and a sample of other features. Additional content and features are available via one-time in-app purchases.

What are the in-app purchase options for Guitar Codex?

Guitar Codex offers two one-time purchases: 'Pro' unlocks the complete reference toolkit, and 'Complete' unlocks all 140 lessons and future lesson additions. These are pay-once, own-forever options.

What musical concepts does Guitar Codex teach?

The 140 lessons cover a wide range of topics including holding the guitar, chords, scales, music theory, the CAGED system, progressions, modes, songwriting, technique, genre studies, and fretboard and ear mastery.

What devices does Guitar Codex support?

Guitar Codex is available on iPhone, iPad, and iPod touch, making it accessible for a wide range of Apple users.

How often is Guitar Codex updated?

The app was last updated on August 28, 2026, indicating recent development and support. Future lessons are also promised to be added to the 'Complete' purchase.

What is the age rating for Guitar Codex?

Guitar Codex has an age rating of 4+, making it suitable for users of all ages interested in learning guitar.

Does Guitar Codex have ads?

No, Guitar Codex does not contain advertisements. The app is designed to be ad-free, with monetization solely through optional one-time in-app purchases.