Circle of Fifths Pro
In-app purchases
Everyone
info
10+
Downloads
About this app
Circle of Fifths Pro is a clear, modern tool for learning keys, chords, scales, and harmony.
Designed for musicians, students, and teachers, it visualises how music fits together — helping you understand key signatures, chord families, modes, and functional harmony with ease.
Whether you’re composing, improvising, studying theory, or teaching others, Circle of Fifths Pro gives you a fast, intuitive way to explore the structure of Western music.
🎼 Learn Keys & Harmony
Explore all 12 major and minor keys
Understand key signatures and accidentals
See relative minors, neighbors, and functional relationships
Visualise tonic, subdominant, and dominant families
🎹 Diatonic Chords & Progressions
View diatonic chords for every key
Understand how chords relate within a scale
Explore common progressions and harmonic movement
🎵 Modes & Scales (Ionian → Locrian)
Learn modal patterns and scale tones
Compare modes side‑by‑side
Understand how modes relate to each key
🔍 Advanced Theory Tools (Pro)
Secondary dominants
Pivot chords
Modulation paths
Functional harmony overlays
Animated transitions for clearer understanding
🎧 Built for Musicians
Clean, minimal interface
Fast, intuitive interactions
Designed for learning, composing, and teaching
Works offline — no ads, no tracking, no data collection
📚 Perfect For
Music students
Teachers and educators
Composers and arrangers
Guitarists, pianists, producers
Anyone learning harmony or improving their musical understanding
🌟 A Modern Circle of Fifths
Circle of Fifths Pro combines a beautifully designed interface with a modern theory engine to make harmony feel natural, visual, and easy to explore. Every feature is crafted to support real musical understanding — from beginners learning keys to advanced musicians exploring modulation and functional harmony.
Designed for musicians, students, and teachers, it visualises how music fits together — helping you understand key signatures, chord families, modes, and functional harmony with ease.
Whether you’re composing, improvising, studying theory, or teaching others, Circle of Fifths Pro gives you a fast, intuitive way to explore the structure of Western music.
🎼 Learn Keys & Harmony
Explore all 12 major and minor keys
Understand key signatures and accidentals
See relative minors, neighbors, and functional relationships
Visualise tonic, subdominant, and dominant families
🎹 Diatonic Chords & Progressions
View diatonic chords for every key
Understand how chords relate within a scale
Explore common progressions and harmonic movement
🎵 Modes & Scales (Ionian → Locrian)
Learn modal patterns and scale tones
Compare modes side‑by‑side
Understand how modes relate to each key
🔍 Advanced Theory Tools (Pro)
Secondary dominants
Pivot chords
Modulation paths
Functional harmony overlays
Animated transitions for clearer understanding
🎧 Built for Musicians
Clean, minimal interface
Fast, intuitive interactions
Designed for learning, composing, and teaching
Works offline — no ads, no tracking, no data collection
📚 Perfect For
Music students
Teachers and educators
Composers and arrangers
Guitarists, pianists, producers
Anyone learning harmony or improving their musical understanding
🌟 A Modern Circle of Fifths
Circle of Fifths Pro combines a beautifully designed interface with a modern theory engine to make harmony feel natural, visual, and easy to explore. Every feature is crafted to support real musical understanding — from beginners learning keys to advanced musicians exploring modulation and functional harmony.
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No data shared with third parties
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No data collected
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What’s new
Welcome to the first release of Circle of Fifths Pro on Android!
Explore keys, scales, and chord relationships with a beautifully interactive circle
Visualize major/minor, diatonic chords, secondary dominants, pivot chords, and modulation paths
Hear every chord with high‑quality playback
Switch between Beginner, Intermediate, and Advanced modes
Designed for musicians, students, and composers who want clarity and inspiration
Thank you for supporting this first Android release.
Explore keys, scales, and chord relationships with a beautifully interactive circle
Visualize major/minor, diatonic chords, secondary dominants, pivot chords, and modulation paths
Hear every chord with high‑quality playback
Switch between Beginner, Intermediate, and Advanced modes
Designed for musicians, students, and composers who want clarity and inspiration
Thank you for supporting this first Android release.
App support
phone
Phone number
+61402878725
About the developer
BAMUDA CORPORATION PTY LTD
calonwu@hotmail.com
7 Gerard St
Gladesville NSW 2111
Australia
+61 402 878 725
