1. Introduction

LexiKey ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our literacy intervention application.

2. Information We Collect

2.1 Account Information

If you create an account, we collect:

Email address
Name (if provided)
Authentication credentials (handled securely by Clerk)

2.2 Usage Data

We automatically collect information about how you use LexiKey:

Practice session data (words typed, accuracy, time spent)
Placement test results
Progress and learning statistics
Settings preferences
Device information and browser type

2.3 Analytics Data

We use PostHog analytics to understand how users interact with our application. This includes page views, feature usage, and performance metrics. This data is anonymized and aggregated.

3. How We Use Your Information

We use the information we collect to:

Provide and maintain the LexiKey service
Personalize your learning experience
Track your progress and adapt difficulty levels
Improve our application and develop new features
Analyze usage patterns to enhance user experience
Communicate with you about your account or the service

4. Data Storage and Security

Your data is stored securely using:

Convex - For user progress and learning data
Clerk - For authentication and user account information
PostHog - For analytics data
Local Storage - For anonymous users' temporary data

We implement appropriate technical and organizational measures to protect your personal information. However, no method of transmission over the Internet is 100% secure.

5. Data Sharing

We do not sell, trade, or rent your personal information to third parties. We may share your information only:

With service providers who assist us in operating our application (Convex, Clerk, PostHog)
When required by law or to protect our rights
With your explicit consent

6. Your Rights

You have the right to:

Access your personal data
Correct inaccurate data
Delete your account and associated data
Opt-out of analytics tracking (contact us for instructions)
Export your data

To exercise these rights, please contact us or delete your account through the settings page.

7. Children's Privacy

LexiKey is designed to support learners of all ages, including children. We comply with applicable privacy laws including COPPA. If you are a parent or guardian and believe your child has provided us with personal information, please contact us to have it removed.

8. Cookies and Local Storage

We use cookies and local storage to:

Maintain your session
Store your preferences and settings
Enable anonymous user functionality
Track analytics (anonymized)

You can control cookies through your browser settings, though this may affect functionality.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

10. Contact Us

If you have questions about this Privacy Policy, please contact us through your preferred method or visit our GitHub repository.