Mobile Developer

Cloud Computing

Big Data

Products

- Genie Charts

- TuneAndTime

- Tuner – Universal

- Metronome • Pro Tempo

- Circle of Fifths • Pro

- Chord • Pro

- Ear Training • Pro

- Scales • Pro Trainer

Circle of Fifths • Pro Privacy Policy

Effective Date: 24 February, 2026

Information We Collect

  • No personal data is collected — you do not need an account to use Circle of Fifths • Pro.
  • All key, mode, chord, and harmonic analysis is processed locally on your device.
  • Preferences (such as selected mode, playback style, or UI state) are stored only on your device.
  • No analytics, tracking identifiers, or advertising data are collected.

In‑App Purchases

Circle of Fifths • Pro offers optional subscriptions to unlock Intermediate and Advanced learning tools. All purchases are processed securely by Apple. We do not have access to your payment information.

How We Use Information

We use information solely to provide harmonic analysis, playback tools, and performance improvements. We do not sell, store, or share your personal information.

Data Storage & Security

All processing happens locally on your device. Any settings are stored only on your device. We implement reasonable safeguards to protect your information.

Children’s Privacy

Circle of Fifths • Pro is suitable for all ages. We do not knowingly collect personal information from children under 13.

Changes to This Policy

We may update this Privacy Policy from time to time. Updates will be posted within the app or on our official website.

Contact Us

If you have questions or concerns about this Privacy Policy, please contact:
Email: jiarenwu1997@hotmail.com
Website: www.bamuda.com.au