Last updated: February 10, 2026
1. Introduction
Harmny ("we," "our," or "us") respects your privacy and is committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our music practice application.
2. Data We Collect
Account Information: Email address, full name, and password (encrypted)
Audio Content: Audio files you upload, playlists, and practice session data
Practice Data: Progress tracking, practice goals, difficult sections marked, and session statistics
Collaborative Data: Practice room participation, chat messages, annotations, and assignments
Usage Data: App interactions, feature usage patterns, and performance metrics
3. How We Use Your Data
- To provide and maintain our music practice services
- To enable collaborative practice features
- To track your practice progress and goals
- To improve app functionality and user experience
- To communicate important updates and features
- To ensure security and prevent unauthorized access
4. Data Storage and Security
Your data is stored on secure servers and protected using industry-standard encryption. We implement appropriate technical and organizational measures to protect against unauthorized access, alteration, disclosure, or destruction of your personal information.
5. Your Rights (GDPR)
Under GDPR, you have the following rights:
- Right to Access: Request copies of your personal data
- Right to Rectification: Request correction of inaccurate data
- Right to Erasure: Request deletion of your data
- Right to Restrict Processing: Request limitation of data processing
- Right to Data Portability: Request transfer of your data
- Right to Object: Object to our processing of your data
- Right to Withdraw Consent: Withdraw consent at any time
6. Data Retention
We retain your personal data only for as long as necessary to fulfill the purposes outlined in this policy. When you delete your account, we will delete or anonymize your personal data within 30 days, unless we are required to retain it for legal purposes.
7. Cookie Policy
We use cookies and similar tracking technologies to provide functionality and improve your experience. This section explains our cookie usage in detail.
7.1 What Are Cookies?
Cookies are small text files stored on your device when you visit our application. They help us recognize your device and remember your preferences.
7.2 Types of Cookies We Use
Necessary Cookies (Required)
Essential for the app to function. These cannot be disabled.
- Authentication tokens: Keep you logged in securely
- Session management: Maintain your active session
- Security cookies: Protect against unauthorized access
- CSRF tokens: Prevent cross-site request forgery attacks
Functional Cookies (Optional)
Enhance functionality and remember your preferences.
- Theme preferences: Remember dark/light mode selection
- Language settings: Store your language preference
- Player settings: Remember volume, loop, and playback preferences
- View preferences: Remember your preferred layout and filters
- Offline data: Store data for offline access via localStorage
Analytics Cookies (Optional)
Help us understand how you use the app to improve features.
- Usage patterns: Track which features are most used
- Event tracking: Monitor button clicks and interactions
- Error reporting: Identify and fix technical issues
- Feature adoption: Understand new feature usage
Performance Cookies (Optional)
Optimize app performance and loading times.
- Load time tracking: Measure page and resource loading
- Cache management: Optimize asset delivery
- Network monitoring: Track connection quality
- Service worker data: Enable PWA features and offline sync
7.3 Local Storage and IndexedDB
In addition to cookies, we use browser storage technologies:
- LocalStorage: Stores preferences, offline sync queue, and practice progress
- IndexedDB: Stores audio files for offline playback
- Service Workers: Enable offline functionality and background sync
- Cache API: Stores app resources for faster loading
7.4 Third-Party Services
We may use third-party services that set their own cookies. These services are used for:
- Authentication and user management
- Cloud storage for audio files
- Analytics and error tracking (only if you consent)
- Content delivery networks (CDN) for performance
7.5 Managing Cookie Preferences
You can control cookie settings through:
- Our cookie consent banner (shown on first visit)
- Your browser settings to block or delete cookies
- Opting out of analytics through your account settings
Note: Disabling necessary cookies may prevent core functionality from working properly.
7.6 Cookie Duration
- Session cookies: Deleted when you close the browser
- Persistent cookies: Stored up to 12 months
- Authentication tokens: Expire after 30 days of inactivity
8. Data Sharing
We do not sell your personal data. We only share data in the following circumstances:
- With other users in collaborative practice rooms (as necessary for functionality)
- With service providers who help us operate the app (under strict confidentiality agreements)
- When required by law or to protect our legal rights
- In the event of a merger or acquisition (you will be notified)
9. Children's Privacy
Our service is not directed to children under 16. We do not knowingly collect data from children. If you believe we have collected data from a child, please contact us immediately.
10. International Data Transfers
Your data may be transferred to and processed in countries outside your jurisdiction. We ensure appropriate safeguards are in place to protect your data in accordance with GDPR requirements.
11. Changes to This Policy
We may update this privacy policy from time to time. We will notify you of significant changes via email or through the app. Continued use after changes constitutes acceptance of the new policy.
12. Contact Us
For any questions about this privacy policy or to exercise your rights, please contact us at:
Email: privacy@harmny.app
Data Protection Officer: dpo@harmny.app
By using Harmny, you acknowledge that you have read and understood this Privacy Policy, including our Cookie Policy.