Privacy Policy

1. Information We Collect

Information You Provide

• Feedback Form: When you submit feedback, we collect your email address and the feedback content you provide.
• Deck Data: Your deck information is stored locally in your browser's localStorage and is never sent to our servers.

Automatically Collected Information

• Usage Data: We collect anonymous usage statistics through Vercel Analytics (page views, performance metrics).
• Technical Data: Browser type, device information, and IP address may be logged for security and analytics purposes.

2. How We Use Your Information

We use the information we collect to:

• Respond to your feedback and improve our services
• Monitor and analyze usage patterns to improve user experience
• Maintain security and prevent abuse
• Display relevant advertisements through Google AdSense

3. Data Storage and Security

• Local Storage: Your deck data is stored locally in your browser and never leaves your device unless you choose to export it.
• Feedback Data: Submitted feedback is stored in Google Sheets with industry-standard security measures.
• Card Data: Card information is sourced from Scryfall and stored in our Supabase database.

4. Third-Party Services

We use the following third-party services:

Scryfall

We fetch card data and pricing from Scryfall. Their privacy policy: https://scryfall.com/privacy

Google AdSense

We display ads through Google AdSense. Google may use cookies to serve ads based on your prior visits. You can opt out of personalized advertising at Google Ads Settings.

Vercel Analytics

We use Vercel Analytics for anonymous usage statistics. No personal information is collected.

Supabase

Our card database is hosted on Supabase. Their privacy policy: https://supabase.com/privacy

5. Cookies and Local Storage

• Essential: We use localStorage to save your deck data locally in your browser.
• Analytics: Anonymous cookies may be set by Vercel Analytics.
• Advertising: Google AdSense may set cookies for ad personalization.

You can clear cookies and localStorage through your browser settings at any time.

6. Your Rights

You have the right to:

• Access the data we have about you (email us for feedback data)
• Request deletion of your feedback submissions
• Opt out of personalized advertising
• Clear your local deck data at any time through your browser

7. Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.

8. Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated "Last Updated" date. Continued use of the service after changes constitutes acceptance of the updated policy.

9. Contact Us

If you have questions about this privacy policy or wish to exercise your rights, please:

• Use the feedback form in the app
• Visit: stratagemsystems.com