Privacy Policy
Effective Date: January 13, 2026
1. Introduction
This Privacy Policy explains how Footnote / Footnote Cards ("we," "our," or "us") collects, uses, and protects information when you use our web application.
2. Information We Collect
We collect only the information necessary to operate the app:
- Account Information:
When you create an account, we collect information such as your email address and login credentials. - Payment Information:
If you choose a Pro account, payments are processed securely through Stripe. We do not store or have access to your full payment details (such as credit card numbers).
3. How We Use Information
We use collected information solely to:
- Provide and maintain the app
- Authenticate users
- Manage subscriptions and payments
- Communicate important account-related information
5. Third-Party Services
We use trusted third-party services to operate and improve the app:
- Supabase — for authentication, database storage, and backend services
- Stripe — for secure payment processing
- Vercel — for hosting and deployment
These services may process limited user data on our behalf and only as necessary to provide their services. Each service handles data in accordance with its own privacy policy.
6. Data Security
We take reasonable measures to protect your information. However, no method of transmission over the internet or electronic storage is 100% secure.
7. Data Retention
We retain account information only as long as necessary to provide the service or comply with legal obligations. You may delete your account at any time.
8. Children's Privacy
The app is not intended for children under the age of 13, and we do not knowingly collect personal information from children.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated effective date.
10. Contact
If you have questions about this Privacy Policy, you can contact b.petzke@gmail.com