Chord Wheel: Circle of 5ths LE

Chord Wheel: Circle of 5ths LE


The Interactive Chord Wheel is an implementation of one of the most basic and significant music theory, 'Circle of fifths' on Android. This app is uniquely designed to represent the relationship between a scale and a chord.
In the screen of this app, the Circle is made up of several concentric rings, which provides various information. By rotating the 2 rings, inner and outer, the needed information can be got easily.
The outer most ring shows information on the scale such as a tonic, a dominant, a sub-dominant, a relative minor, a relative major, and a progression of the degree. The next outer ring shows a series of note's name ordered by the progression of 5th, and the root note of a scale can be set by rotationg this ring. When rotating the outer ring, the inner ring rotates also. The next ring shows a degree of a note and a diatonic chord in that scale. By rotaing the next ring, a chord can be set. If a note name of the outer ring is touched, then a diatonic chord, of which the root note is the note, is set. Instead of the inner chord ring, a key progression ring can be displayed which is very useful when transposing a song to another key. At the center of the concentric rings, a signiture of the scale is displayed.
Both a handset or a tablet are supported. However, it is recommended you to use this app on a tablet larger than a 7-inch for a better usabilty.

The direction of the circle
The direction of the key progression on a circle can be set to a CW or a CCW direction by a user.

Switchable Inner Wheel
The inner wheel can be switched when it is needed. A chord wheel, a transpose wheel, and a interval wheel are avalable.

Scale
A major scale and 3 minor scale and church modes are available. The scale tones can be distinguished by its background color. A diatonic chord of the scale can be set by touching one of its scale tones.

Diatonic Scale Chord
Both triads and 7th chords are supported for each scale.

Chord Wheel
Chord wheel is uniquely designed to represent the relationship between a scale and a chord. Most diatonic chords are available. The chord tones can be distinguished by its background color or its mark.

Transpose Wheel
For transposing, a ring of key progression can be displayed instead of a chord ring.

Interval Wheel
Intervals of notes can be found out easily and quickly. Just switch the inner wheel to an interval wheel.

Inversion of a Chord
The inversion of a chord can be played by clicking a button, and also can be seen through the piano view.

Notation System
There are various ways of naming note names. In this app, CDEFGAB, CDEFGAH, and Fixed-Do systems are supported. Also, you can set a prefered accidental, a sharp(#) or a flat(♭).

Piano
Information about a scale or a chord is shown on a 2-octave sized mini piano. It can be played by touching the keys.

Guitar
Information about a scale or a chord also can be shown on a guitar fretboard. It's tunable.

Colors / Marks
The tones of a scale and a chord are associated with the 7 colors of the rainbow. For example, the 1st note is red, and the 7th note is violet.
Also, marks such as ●, △, ★, ◎ represent that it's 1st, 3rd, 5th, 7th note.

Clef / Signature
A signature of the scale is showed at the center of rings. A clef can be set to a treble of a bass.
When the center is touched, user-defined action is performed.

Sounds
The sound of a scale and a chord can be played. A chord sound can be played arpeggio pattern or not.
Piano, E.Piano, and Guitar sounds are included. The bundled sounds are recorded in high quality.

Available scales
Major
Natural / Harmonic / Melodic Minor
Ionian
Dorian
Phrygian
Lydian
Mixolydian
Aeolian
Locrian

Available chords
Major (Triad)
Major 7th
Major 6th
Major 7th aug 5th
Major aug 5th (Triad)
Suspended 2nd (Triad)
Suspended 4th (Triad)
Minor (Triad)
Minor 7th
Minor 6th
Minor Major 7th
Dominant 7th
Dominant 7th aug 5th
Dominant 7th flat 5th
Dominant 7th sus 4th
Diminished (Triad)
Diminished 7th
Minor 7th flat 5th

Recent changes:
* A full-featured and ad-free version is also available.
https://play.google.com/store/apps/details?id=kr.roundrect.chordwheel

** This is a lite version, not a free version. Some features are limited and ads can be displayed.

*** Please don't forget leaving a positive comment. No developer wants to keep developing and managing a badly rated app.

read more on
https://plus.google.com/communities/104363645273449669829
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Free
85
4.3
User ratings
329
Installs
10,000+
Concerns
0
File size
15808 kb
Screenshots
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About Chord Wheel: Circle of 5ths LE
The Interactive Chord Wheel is an implementation of one of the most basic and significant music theory, 'Circle of fifths' on Android. This app is uniquely designed to represent the relationship between a scale and a chord.
In the screen of this app, the Circle is made up of several concentric rings, which provides various information. By rotating the 2 rings, inner and outer, the needed information can be got easily.
The outer most ring shows information on the scale such as a tonic, a dominant, a sub-dominant, a relative minor, a relative major, and a progression of the degree. The next outer ring shows a series of note's name ordered by the progression of 5th, and the root note of a scale can be set by rotationg this ring. When rotating the outer ring, the inner ring rotates also. The next ring shows a degree of a note and a diatonic chord in that scale. By rotaing the next ring, a chord can be set. If a note name of the outer ring is touched, then a diatonic chord, of which the root note is the note, is set. Instead of the inner chord ring, a key progression ring can be displayed which is very useful when transposing a song to another key. At the center of the concentric rings, a signiture of the scale is displayed.
Both a handset or a tablet are supported. However, it is recommended you to use this app on a tablet larger than a 7-inch for a better usabilty.

The direction of the circle
The direction of the key progression on a circle can be set to a CW or a CCW direction by a user.

Switchable Inner Wheel
The inner wheel can be switched when it is needed. A chord wheel, a transpose wheel, and a interval wheel are avalable.

Scale
A major scale and 3 minor scale and church modes are available. The scale tones can be distinguished by its background color. A diatonic chord of the scale can be set by touching one of its scale tones.

Diatonic Scale Chord
Both triads and 7th chords are supported for each scale.

Chord Wheel
Chord wheel is uniquely designed to represent the relationship between a scale and a chord. Most diatonic chords are available. The chord tones can be distinguished by its background color or its mark.

Transpose Wheel
For transposing, a ring of key progression can be displayed instead of a chord ring.

Interval Wheel
Intervals of notes can be found out easily and quickly. Just switch the inner wheel to an interval wheel.

Inversion of a Chord
The inversion of a chord can be played by clicking a button, and also can be seen through the piano view.

Notation System
There are various ways of naming note names. In this app, CDEFGAB, CDEFGAH, and Fixed-Do systems are supported. Also, you can set a prefered accidental, a sharp(#) or a flat(♭).

Piano
Information about a scale or a chord is shown on a 2-octave sized mini piano. It can be played by touching the keys.

Guitar
Information about a scale or a chord also can be shown on a guitar fretboard. It's tunable.

Colors / Marks
The tones of a scale and a chord are associated with the 7 colors of the rainbow. For example, the 1st note is red, and the 7th note is violet.
Also, marks such as ●, △, ★, ◎ represent that it's 1st, 3rd, 5th, 7th note.

Clef / Signature
A signature of the scale is showed at the center of rings. A clef can be set to a treble of a bass.
When the center is touched, user-defined action is performed.

Sounds
The sound of a scale and a chord can be played. A chord sound can be played arpeggio pattern or not.
Piano, E.Piano, and Guitar sounds are included. The bundled sounds are recorded in high quality.

Available scales
Major
Natural / Harmonic / Melodic Minor
Ionian
Dorian
Phrygian
Lydian
Mixolydian
Aeolian
Locrian

Available chords
Major (Triad)
Major 7th
Major 6th
Major 7th aug 5th
Major aug 5th (Triad)
Suspended 2nd (Triad)
Suspended 4th (Triad)
Minor (Triad)
Minor 7th
Minor 6th
Minor Major 7th
Dominant 7th
Dominant 7th aug 5th
Dominant 7th flat 5th
Dominant 7th sus 4th
Diminished (Triad)
Diminished 7th
Minor 7th flat 5th

Recent changes:
* A full-featured and ad-free version is also available.
https://play.google.com/store/apps/details?id=kr.roundrect.chordwheel

** This is a lite version, not a free version. Some features are limited and ads can be displayed.

*** Please don't forget leaving a positive comment. No developer wants to keep developing and managing a badly rated app.

read more on
https://plus.google.com/communities/104363645273449669829

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User reviews of Chord Wheel: Circle of 5ths LE
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Android Market Comments
A Google User
Sep 13, 2014
Banner obstructs In all fairness this application has the potential to be a very useful indeed so for that reason I have changed my rating to five stars. To clear up some confusion, unfortunately I had no choice but to un-install this app within minutes because I clicked on a button which lead to a function only accessible with the paid version which has unrestricted functionality, and so a banner appeared telling letting me know.. The developer has since pointed out all I had to do was click back out of the banner screen or upgrade for full functionality. My phone is an older android with gingerbread (Galaxy S1) and what seems to have happened is as soon as the banner appeared all functions to take me back were I was failed. I appreciate the developer can't test this application on every phone out there but if he fixes the problem I'd be happy to try again. Most phones, going by the positive feedback, do not have this problem.
A Google User
Sep 2, 2014
Banner obstructs Unusable, a banner saying locked is pasted across the screen before you get a chance to figure out how to use it. I couldn't get rid of it so it's been un-installed. Any app which locks solid rendering itself useless within minutes of installation is not an app, it is an advertisement disguised as an app. Lite versions still have to work all be it in a restricted way, this did not work at all once the banner appeared. I will not be sheep herded by profit motivated developers who try to force a sale. I also suspect the methods employed are in breach of developer guidelines because I've installed dozens of apps and no other developer felt the need to lock the app within minutes of starting it. A 30 day trial period would generate a lot more sales and there would be no need for the developer to blame potential customers who quite rightly feel wound up by the unnecessary inconvenience. I could find no way to get rid of the banner or do anything at all once it appeared however the developer has suggested there was a way. Perhaps explaining how on the banner would resolve the issue.
A Google User
Aug 31, 2014
amazing for me...thanks alot app
A Google User
Jul 28, 2014
Very useful.
A Google User
Jul 25, 2014
Chord! Circle of 5ths Very useful app, but would love to see it done to an A432 scale. It would be more healing that way.