Information We Collect
Credit Card Optimizer collects information to provide personalized credit card recommendations:
- Spending Data: Monthly spending amounts by category (stored locally and optionally in your account)
- Account Information: Email address and profile data when you sign in
- Preferences: Reward preferences, point valuations, and owned cards
- Usage Analytics: Anonymous usage patterns to improve our service
How We Use Your Information
Your information is used exclusively for:
- Generating personalized credit card recommendations
- Saving your preferences across sessions
- Improving our recommendation algorithms
- Providing customer support
We never sell your personal data to third parties.
Third-Party Services & Affiliate Links
Our service includes links to credit card companies and financial institutions. Important disclosures:
- Affiliate Partnerships: We may earn commissions when you apply for cards through our links
- No Influence on Recommendations: Our mathematical algorithms are not influenced by commission rates
- External Privacy Policies: Credit card companies have their own privacy policies
- Authentication: We use NextAuth.js with OAuth providers (Google, GitHub, Meta, X)
Data Security
We protect your information through:
- Encrypted data transmission (HTTPS)
- Secure database storage with access controls
- Regular security audits and updates
- No storage of sensitive financial account information
Your Rights
You have the right to:
- Access your personal data
- Correct inaccurate information
- Delete your account and data
- Export your data
- Opt out of analytics tracking
Cookies & Local Storage
We use:
- Essential Cookies: For authentication and core functionality
- Local Storage: To save your spending data and preferences locally
- Analytics: Anonymous usage tracking to improve our service
Contact Us
For privacy-related questions or to exercise your rights, contact us at:
Changes to This Policy
We may update this privacy policy from time to time. We will notify users of any material changes by posting the new policy on this page and updating the "Last updated" date.