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Privacy Policy

Last updated: February 18, 2026

Harmony ("we," "our," or "us") operates the Harmony mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and protect your personal data when you use our App.

By using Harmony, you agree to the collection and use of your data as described in this policy. If you do not agree, please do not use the App.

1. Data We Collect

Data you provide

  • First name — Used to personalize your experience within the App.
  • Selfie photos — Used to analyze your skin tone, eye color, and hair color for colorimetry purposes. Photos are processed locally on your device and are not stored on our servers.
  • Color preferences — Your answers during the onboarding questionnaire to determine your color season.

Data collected automatically

  • Subscription status — Managed by Apple through RevenueCat to verify your subscription entitlement.
  • Attribution data — Collected via AppsFlyer to measure the effectiveness of our advertising campaigns (install source, in-app events).
  • Device identifiers — IDFA (with your consent) for attribution purposes.

2. How We Use Your Data

We use the data we collect to:

  • Provide and personalize the colorimetry analysis service.
  • Save your profile and preferences for a seamless experience.
  • Manage your subscription and verify access to premium features.
  • Measure and optimize our advertising campaigns.
  • Improve the App and fix technical issues.

3. Third-Party Services

We use the following third-party services:

  • Supabase — Cloud database for storing your profile data (first name, color season, preferences). Supabase Privacy Policy.
  • RevenueCat — Subscription management and payment processing through Apple App Store. RevenueCat Privacy Policy.
  • AppsFlyer — Mobile attribution and analytics to measure advertising performance. AppsFlyer Privacy Policy.
  • Anthropic API — AI-powered analysis of selfie photos for skin tone detection. Images are sent to Anthropic's API for processing and are not retained after analysis. Anthropic Privacy Policy.

4. Data Storage and Security

Your profile data is stored securely on Supabase servers. Selfie photos are processed in real-time and are not permanently stored on our servers. We implement appropriate technical and organizational measures to protect your data.

5. Data Retention

We retain your profile data for as long as your account is active. If you delete the App or request data deletion, your profile data will be removed within 30 days.

6. Your Rights

Under applicable data protection laws (including GDPR), you have the right to:

  • Access the personal data we hold about you.
  • Request correction of inaccurate data.
  • Request deletion of your data.
  • Withdraw consent for data processing at any time.
  • Request data portability.

To exercise any of these rights, contact us at support@harmonycolor.app.

7. Children's Privacy

Harmony is not intended for children under the age of 16. We do not knowingly collect personal data from children.

8. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any significant changes by updating the "Last updated" date above.

9. Contact

For any questions regarding this Privacy Policy, contact us at: