Privacy Policy

Introduction

At Sigfre, we respect your privacy. This policy outlines how we collect, use, and protect your information when you use the Sigfre app, visit SIGFRE.com, or sign up for our newsletter.

Information We Collect

• Personal Data: When you create an account or sign up for our newsletter, we collect your name and email address.
• App Usage Data: We collect information about how you use the app, including session length, brainwave states selected, and feature interactions.
• Subscription Status: We collect information about your subscription tier (free or Premium) and purchase history as reported by the App Store or Google Play.
• Device Identifiers: We may collect device type, operating system version, and anonymous device identifiers to deliver and improve the app experience.

How We Use Your Information

• To provide and improve the Sigfre app and its features.
• To manage your account and subscription status.
• To send you updates and communications about Sigfre (you may opt out at any time).
• We never sell or rent your personal data to third parties.

Third-Party Services

Sigfre uses the following third-party services to operate. Each has its own privacy policy governing how they handle your data.

• Apple App Store / Google Play: Handle all subscription billing and payment processing for in-app purchases.
• RevenueCat: Subscription management and entitlement tracking across platforms.
• Stripe: Used for any web-based purchases, if applicable.
• Supabase: Backend data storage and authentication.
• Resend: Transactional email delivery.
• Kit (ConvertKit): Email marketing and newsletter management.

Cookies & Analytics

SIGFRE.com may use cookies and analytics tools to understand how visitors interact with our website. This may include page views, referral sources, and session data. You may disable cookies in your browser settings, though some site features may be affected.

Data Retention

We retain your personal data for as long as your account is active or as required by applicable law. You may request deletion of your data at any time by contacting us at hello@sigfre.com.

Children’s Privacy

Sigfre is not directed at children under the age of 13. We do not knowingly collect personal data from children under 13. If we become aware that a child under 13 has provided us with personal information, we will delete it promptly.

California Privacy Rights (CCPA)

If you are a California resident, you have the right to request access to, deletion of, or correction of your personal data. To exercise these rights, contact us at hello@sigfre.com. We will respond to verified requests within 45 days.

International Users (GDPR)

If you are located in the EU or UK, you have the right to access, correct, delete, or port your personal data. You also have the right to object to or restrict certain processing of your data. To submit a request, contact us at hello@sigfre.com.

Your Rights & Contact

You can opt out of marketing emails at any time by clicking “Unsubscribe” at the bottom of any message. For all other privacy requests — including data access, correction, or deletion — email us at hello@sigfre.com.