Last updated: February 2026
Delta Metrics ("we," "our," or "us") operates the Hair Growth AI app and this website. This Privacy Policy describes how we collect, use, and protect your information when you use our services.
We may collect: (a) Account information you provide (email, name, password); (b) Routine and progress data you log (habits, notes, photos you choose to store); (c) Usage data (how you use the app, device type, OS); (d) Log data (IP address, timestamps) when you use our website or app.
We use your information to provide, maintain, and improve Hair Growth AI; to sync your data across devices; to send you service-related notifications (with your consent); to respond to support requests; and to comply with law and enforce our terms.
We do not sell your personal information. We may share data with service providers (e.g., hosting, analytics) under strict agreements. We may disclose information if required by law or to protect rights and safety.
We use industry-standard measures to protect your data. We retain your information while your account is active and as needed for legal or operational purposes. You may request deletion of your account and data.
You may access, correct, or delete your data through the app or by contacting us. You may opt out of marketing communications.
Our services are not directed to users under 13. We do not knowingly collect data from children under 13.
We may update this Privacy Policy from time to time. We will post the updated policy here and update the "Last updated" date.
For privacy questions or requests: privacy@deltametricsai.com. For support: support@deltametricsai.com. Delta Metrics.