Privacy Policy

Effective Date: November 1, 2025

1. Introduction

ZeroHz ("we", "our", or "the App") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our desktop application.

2. Information We Collect

No Account Required: ZeroHz does not require user registration or login. We do not collect personal information such as your name, email address, or any other personally identifiable information during normal use of the App.

2.1 Analytics Data

We use PostHog to collect usage analytics to help us improve the App. This includes:

  • Feature usage patterns (which sounds are popular, timer usage, etc.)
  • Playtime data (how long you use the App)
  • App performance metrics
  • Error and crash reports
  • General usage statistics
  • Other data necessary for improving the App and user experience

This data is collected to improve the App, understand usage patterns, and enhance overall user experience.

2.2 Local Data

The following data is stored locally on your device and is never transmitted to our servers:

  • Your sound preferences and volume settings
  • Custom mix presets
  • Timer session history and statistics
  • Keyboard shortcut configurations
  • Language preferences

2.3 License Validation Data

If you purchase a Pro license, we store your license key locally. When validating your license, the following data may be transmitted to our validation server:

  • Your license key
  • A unique machine identifier (device fingerprint)
  • Your IP address

This data is used strictly for license verification and preventing unauthorized use (e.g., excessive device activations). We do not use this data for any other purpose.

2.4 Payment Information

We do not store your credit card details or payment information directly. All payment transactions are processed by our Merchant of Record, Lemon Squeezy. When you make a purchase, Lemon Squeezy may share your email address and name with us for the purpose of license delivery.

3. How We Use Your Information

We use the collected information to:

  • Improve and optimize the App's features and performance
  • Understand how users interact with the App
  • Fix bugs and technical issues
  • Validate Pro license purchases and prevent piracy
  • Deliver your license key after purchase

4. Third-Party Services

We use the following third-party services:

5. External Links

The App may contain links to third-party websites or services (such as our payment provider or social media profiles). We are not responsible for the privacy practices or content of these external sites. We encourage you to review the privacy policies of any third-party sites you visit.

6. Data Security

We take reasonable measures to protect your information. Local data is stored securely on your device using platform-native storage mechanisms. All data transmitted to our servers (analytics and license validation) is encrypted using HTTPS.

7. Your Rights

You have the right to:

  • Access your locally stored data (found in the App's data directory)
  • Delete your local data by uninstalling the App
  • Opt out of analytics by disabling network access for the App
  • Request deletion of any data associated with your license key by contacting us

8. Children's Privacy

The App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Effective Date" at the top of this page.

10. Contact Us

If you have questions about this Privacy Policy, please contact us at: support@zerohz.app

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