# Circle Of Fifths Pro — Modern Circle of Fifths > Modern Circle of Fifths (iPhone/iPad app by Bamuda Corporation Pty Ltd.) - Source: https://appshunter.io/ios/app/circle-of-fifths-pro/id6759542158 (this page in markdown: same URL + `.md`) - Developer: [Bamuda Corporation Pty Ltd](https://appshunter.io/developer/395135697) - Category: Music, Education - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.6 · 18 MB - Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Polish, Brazilian Portuguese, Russian, Chinese (Simplified, China) and 3 more - Released: 2026-02-26 - Data updated: 2026-09-01 - User reviews in markdown: https://appshunter.io/ios/app/circle-of-fifths-pro/id6759542158/reviews.md ## What is Circle Of Fifths Pro? Circle of Fifths Pro is a musician‑first tool for understanding how music fits together. Whether you're learning harmony, composing, improvising, or teaching, the app gives you a clear, intuitive way to explore keys, scales, modes, and chord relationships. Built with a clean interface and a modern theory engine, the app visualises the structure of Western music in a way that feels natural and immediately useful. Every interaction — from selecting a key to exploring harmonic movement — is designed to support real musical understanding. Circle of Fifths Pro stays out of your way so you can stay focused on learning, creating, and practicing. Free Features (Beginner Mode) A simple, accessible introduction to the circle: Interactive Circle of Fifths Major and minor keys Relative and parallel relationships Basic key signatures and tonal centers Clean, minimal interface No ads, no tracking, no data collection Perfect for beginners learning how keys connect. Pro Features (Intermediate + Advanced Modes) Unlock the full harmony toolkit for deeper study, teaching, and composition: Mode Explorer Ionian through Locrian Scale tones, interval patterns, and modal structures Clear visual layouts for fast learning Chord Families Tonic, subdominant, dominant Diatonic chord mapping for every key Modal interchange and harmonic movement Key Signature Breakdown Sharps, flats, and enharmonic equivalents Relative major/minor connections Diatonic Chord Strip See diatonic chords for any selected key Tap to hear each chord instantly Playback Tools Play individual diatonic chords Play I–V–vi–IV progressions Playback styles: Block, Up, Down Advanced Harmonic Overlays Secondary dominants Pivot chords Modulation paths Color‑coded legend for quick understanding Ideal for students, educators, composers, producers, and improvisers. Why Musicians Choose Circle of Fifths Pro Fast, intuitive visual learning Beautiful, modern design Powerful tools for all skill levels Perfect for practice, teaching, and composition Privacy‑First No ads No tracking No data collection All theory processing happens locally on your device Circle of Fifths Pro collects no personal data. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.bamuda.com.au/circleoffifthsproprivacy.html ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Circle of Fifths Pro one month | $1.99 | per month | | Circle of Fifths Pro twelve months | $14.99 | per year | | Circle of Fifths Pro six months | $8.99 | per 6 months | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Circle of Fifths Pro - Lifetime | $29.99 | one-time | ## Version history (last 5 releases) ### 1.09 — 2026-08-28 Added Borrowed Chords for richer harmonic exploration Added Modal Interchange with mode‑specific borrowed functions Updated screenshots to reflect the new features Fixed minor bugs and improved overall performance ### 1.08 — 2026-08-20 Added Secondary Dominants with clean visual overlays and improved clarity Re‑organized the UI for a smoother, more stable learning experience Circle layout is now fixed in place — no more jumping when switching modes Updated animations and glow effects for Advanced mode Refreshed screenshots to reflect the new design ### 1.07 — 2026-07-14 Added Scale Degrees overlay to Intermediate & Advanced modes. A clearer way to see functional harmony across the circle. New Scale Degrees toggle Updated Intermediate & Advanced layouts Refreshed screenshots Minor UI refinements ### 1.06 — 2026-05-21 Updated onboarding for clearer guidance, added full Polish language support, improved readability in Intermediate and Advanced modes, and refreshed screenshots across the app. ### 1.05 — 2026-05-19 • Added support for 11 new languages • Improved multi‑language UI clarity across the app ## More apps by Bamuda Corporation Pty Ltd - [Genie Charts](https://appshunter.io/ios/app/genie-charts/id852942251) - [Music Tools: Tuner & Metronome](https://appshunter.io/ios/app/music-tools-tuner-and-metronome/id6755568540) - [Tuner Universal](https://appshunter.io/ios/app/tuner-universal/id6759379649) - [Metronome Pro Tempo](https://appshunter.io/ios/app/metronome-pro-tempo/id6759477385) - [Chord Pro](https://appshunter.io/ios/app/chord-pro/id6759605794) All apps by Bamuda Corporation Pty Ltd: https://appshunter.io/developer/395135697 ## Related topics [circle of fifths pro](https://appshunter.io/ios/topics/circle-of-fifths-pro) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*