Best John Gellecum Apps & Games

12+ iOS apps & games curated and reviewed

3.5 avg rating

5 free apps & games

Updated June 2026

Out of 12+ john gellecum apps and games on iOS, 5 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top John Gellecum Apps & Games (June 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Magic Circle of Fifths	$1.29	4.5★ (2)	No	No	Sep 2026
2	The Guitar Chord Challenge	Free	—	No	No	May 2026
3	Guitar Chords in Colours	$3.99	—	No	No	Jul 2026
4	Circle of Fifths Xtra	$4.99	5.0★ (1)	No	No	Aug 2026
5	Circle of Fifths Xtra C	Free	—	No	No	May 2026
6	Bass Guitar Colour Scales C	Free	—	No	No	May 2026
7	Guitar Flash Chords	$0.99	3.7★ (3)	No	No	Aug 2026
8	Guitar Scales in Colours	$3.99	2.0★ (2)	No	No	May 2026

Top Picks for John Gellecum

Magic Circle of Fifths by John Gellecum

A musicians companion

Editor's Choice

📚 Education

4.5(2 ratings)

$1.29

This app helps musicians understand music theory with a color-coded circle of fifths. It quickly identifies accidentals for scales and modes, and allows users to listen to various scales. A helpful guide is included to maximize its utility.

The Guitar Chord Challenge by John Gellecum

How many chords do YOU know?

Strong Contender

🎵 Music

0.0(0 ratings)

Free

Guitar Chords in Colours by John Gellecum

For the creative guitar player

Worth Considering

🎵 Music

0.0(0 ratings)

$3.99

More John Gellecum apps to explore

Circle of Fifths Xtra

A Musicians Companion

$4.99

Explore music theory visually with this intuitive companion. It features rainbow-colored notes, a wide range of scales and chords, and instant key signature information. Learn intervals and understand chord progressions with multiple notation systems.

Rainbow color-coded notes25 most-used scalesChord and progression exploration

🎵 Music

(1)

paid

Circle of Fifths Xtra C

A Musicians Companion

Free

🎵 Music

(0)

Bass Guitar Colour Scales C

Memorize the shapes of chords

$0.99

This app uses digital flashcards to help guitarists quickly memorize chord shapes and master the fretboard. Practice dozens of chords in short sessions to boost your music theory and recognition skills.

Visual chord shape trainingQuick chord practice sessionsFretboard mastery

🎵 Music

(3)

paid

Guitar Scales in Colours

For the creative guitar player

$3.99

Learn and visualize guitar scales with a unique color-coding system. Explore modes, circle of fifths, and harmonics. Practice improvisation with backing tracks and jam modes.

27 common and jazz scalesColor-coded scale visualizationModes comparison table

🎵 Music

(2)

paid

Bass Guitar Colour Scales

For the creative bass player

$3.99

$4.99 | 20% OFF

This app uses color-coded visual aids to help bass guitarists learn and recognize scales and intervals. It offers a wide range of scales, fretboard overviews, and audio playback for scales and arpeggios, along with drums backing tracks.

Color-coded scale visualizationMulti-scale capability (27 scales)Fretboard overview

Your Wordfeud strategy aid

FAQ about John Gellecum

What are the best john gellecum apps & games for iPhone?

Magic Circle of Fifths tops our john gellecum apps & games ranking as of June 2026, with a 4.5-star average from 2 App Store ratings, and it's priced at $1.29.

Are there free john gellecum apps & games for iPhone?

Yes — 5 of the top john gellecum apps & games we rank are free to download, including The Guitar Chord Challenge and Circle of Fifths Xtra C.

Does Magic Circle of Fifths have ads or in-app purchases?

Magic Circle of Fifths has no ads and has no in-app purchases, according to its App Store listing as of June 2026.

How many john gellecum apps & games are on the App Store?

We track 12+ john gellecum apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.

What is the Magic Circle of Fifths app?

The Magic Circle of Fifths app is a musician's companion that features a unique color-coded circle of fifths. It helps users quickly find accidentals for scales and modes, and allows them to listen to various scales.

What scales and modes does Magic Circle of Fifths include?

The app provides access to 27 of the most commonly used scales and modes, including 13 of the most frequently used jazz scales.