Last updated: March 1, 2026

Privacy Policy

Introduction

Blood Drain (“we”, “us”, “our”) operates the Blood Drain mobile application. This page informs you of our policies regarding the collection, use, and disclosure of personal data.

Information We Collect

We collect minimal data needed to provide our service:

• Account information (email, display name)
• Subscription data you manually enter
• App usage analytics (anonymized)
• Device information for crash reporting

How We Use Your Information

We use collected data to:

• Provide and maintain the app
• Improve user experience
• Send important notifications about your account
• Provide customer support

Data Storage & Security

Your subscription data is stored securely using industry-standard encryption both in transit (TLS 1.3) and at rest (AES-256). We do not store payment information directly.

Third-Party Services

We use the following third-party services:

• RevenueCat (payment processing)
• Expo (app distribution)
• Vercel Analytics (anonymized web analytics)

Each service has their own privacy policy.

Bank & Financial Data

Blood Drain does NOT connect to your bank accounts. All subscription data is entered manually by you. We never have access to your banking credentials.

Data Retention

We retain your data for as long as your account is active. You can delete your account and all associated data at any time from the app settings.

Your Rights

You have the right to:

• Access your personal data
• Request data deletion
• Export your data
• Opt out of analytics

Children's Privacy

Blood Drain is not intended for children under 13. We do not knowingly collect data from children.

Changes to This Policy

We may update this policy from time to time. We will notify you of changes by updating the date at the top.

Contact Us

If you have questions about this privacy policy, contact us at blooddrainapp@gmail.com.