Privacy Policy

1. Introduction

Kuartz ("we", "our", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and protect your personal information when you use our DJ software and services.

2. Information We Collect

2.1 Information You Provide

Email Address: When you purchase Kuartz, we collect your email address to:

• Send purchase confirmations and license keys
• Provide customer support
• Send important product updates and security notifications
• Manage your subscription (if applicable)

Payment Information: Payment processing is handled by Lemon Squeezy, our third-party payment processor. We do not store credit card numbers or payment details on our servers. Lemon Squeezy may collect:

• Billing name and address
• Payment method information
• Transaction history

2.2 Automatically Collected Information

License Verification Data: When you launch Kuartz, we collect minimal data to verify your license:

• License key
• Device identifier (hashed, non-reversible)
• Software version
• Operating system type and version

Anonymous Usage Analytics (Optional): With your consent, we collect anonymous usage data to improve the Software:

• Feature usage patterns
• Performance metrics (crashes, errors)
• Session duration
• Hardware specifications (CPU, RAM, audio interface)

Note: You can opt out of analytics in Settings → Privacy at any time.

2.3 Information We DO NOT Collect

• Your music library, track metadata, or playlists
• Audio recordings of your DJ sets or performances
• Personal information beyond email address
• Browsing history or activity outside the Software
• Location data

3. How We Use Your Information

We use your information for the following purposes:

• License Management: Verify your subscription status and enforce license terms
• Customer Support: Respond to inquiries and provide technical assistance
• Product Improvements: Analyze usage patterns to improve features and fix bugs
• Communication: Send transactional emails (receipts, renewals) and optional product updates
• Legal Compliance: Comply with applicable laws and enforce our Terms of Service

4. Data Sharing and Third Parties

We do not sell or rent your personal information. We share data only with trusted service providers necessary for operations:

Legal Disclosure: We may disclose your information if required by law, court order, or to protect our rights and safety.

5. Data Storage and Security

5.1 Where We Store Data

Your data is stored on secure servers located in the United States. We use industry-standard encryption (TLS/SSL) to protect data in transit.

5.2 How Long We Keep Data

• Active Licenses: We retain your email and license data for the duration of your subscription or lifetime license
• Cancelled Subscriptions: Data is retained for 12 months after cancellation for support and legal purposes, then deleted
• Free Trial Users: Email addresses (if provided) are retained for 90 days unless you make a purchase

5.3 Security Measures

We implement reasonable security measures including:

• Encrypted data transmission (HTTPS/TLS)
• Secure database access controls
• Regular security audits
• Limited employee access to personal data

6. Your Rights

Depending on your location, you may have the following rights:

To exercise these rights, contact us at privacy@kuartz.app. We will respond within 30 days.

7. Cookies and Tracking

Our website (kuartz.app) uses minimal cookies:

• Essential Cookies: Required for website functionality (session management)
• Analytics Cookies: Anonymous website traffic analysis (you can opt out via browser settings)

The Kuartz desktop application does not use cookies or web trackers.

8. Children's Privacy

Kuartz is not intended for users under 13 years of age. We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, contact us immediately at privacy@kuartz.app.

9. International Data Transfers

If you are located outside the United States, your information will be transferred to and processed in the U.S. By using Kuartz, you consent to this transfer. We implement appropriate safeguards to protect your data in accordance with applicable laws (GDPR, CCPA, etc.).

10. California Residents (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information is collected, used, shared, or sold
• Right to delete personal information
• Right to opt out of the sale of personal information (we do not sell your data)
• Right to non-discrimination for exercising your privacy rights

To exercise these rights, email privacy@kuartz.app with "CCPA Request" in the subject line.

11. EU/UK Residents (GDPR)

If you are in the European Union or United Kingdom, we process your data under the following lawful bases:

• Contract Performance: To provide the Software and fulfill our agreement with you
• Legitimate Interest: To improve our products and provide customer support
• Consent: For optional analytics and marketing communications

You have the right to lodge a complaint with your local data protection authority.

12. Changes to This Policy

We may update this Privacy Policy periodically. Significant changes will be communicated via email or in-app notification. The "Last updated" date at the top will reflect the most recent changes. Continued use of Kuartz after changes constitutes acceptance of the updated policy.

13. Contact Us

For questions, concerns, or requests regarding your privacy: