Privacy Policy for Guess the Eval

Introduction

Welcome to Guess the Eval ("we," "our," or "the App"). We are committed to protecting your privacy and ensuring you have a positive experience while using our chess training application. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.

Please read this Privacy Policy carefully. By using the App, you agree to the collection and use of information in accordance with this policy.

1. Information We Collect

1.1 Personal Information You Provide

When you create an account, we may collect:

• Email address (required for account creation and signing in)
• Name (optional, for profile display)
• Authentication credentials (managed securely through Clerk)

1.2 Automatically Collected Information

When you use the App, we automatically collect:

• Game Statistics: Rating, accuracy, correct/incorrect answers, game history, streaks, time spent per position
• Progress Data: Achievements unlocked, daily rating history, positions played
• App Preferences: Language selection, theme settings (light/dark mode), board theme preferences
• Device Information: Device type, operating system version, app version
• Usage Data: Features used, crash reports, performance metrics

1.3 Local Storage

The following data is stored locally on your device:

• Downloaded chess positions (cached for offline use)
• Your game history and statistics
• Settings and preferences
• Achievement progress

2. How We Use Your Information

2.1 Core Functionality

• Authentication: To create and manage your account
• Game Experience: To track your rating, progress, and achievements
• Personalization: To save your preferences and settings
• Offline Access: To enable gameplay without an internet connection

2.2 App Improvement

• Analytics: To understand how users interact with the App
• Bug Fixes: To identify and resolve technical issues
• Feature Development: To improve and expand App functionality

2.3 Communication

• Account Management: To send important updates about your account
• App Updates: To notify you about new features or changes

3. Third-Party Services

Our App integrates the following third-party services that may collect information:

3.1 Clerk Authentication

• Purpose: User authentication and account management
• Data Collected: Email address, authentication tokens
• Privacy Policy: https://clerk.com/privacy

3.2 Google Mobile Ads (AdMob)

• Purpose: To display advertisements within the App
• Data Collected: Device identifiers, IP address, usage data, ad interaction data
• Privacy Policy: https://policies.google.com/privacy
• Ad Personalization: You can opt out of personalized advertising by visiting your device's ad settings

3.3 Expo Platform

• Purpose: App development and distribution infrastructure
• Data Collected: Basic device and usage information
• Privacy Policy: https://expo.dev/privacy

4. Data Storage and Security

4.1 Local Storage

Most of your data is stored locally on your device using:

• AsyncStorage: For game statistics, settings, and cache
• Expo SecureStore: For sensitive authentication tokens

4.2 Cloud Storage

Your authentication credentials are securely managed by Clerk's infrastructure. We do not store passwords or authentication tokens on our servers.

4.3 Security Measures

We implement industry-standard security measures:

• Encrypted storage for sensitive data
• Secure authentication protocols
• Regular security updates
• No transmission of sensitive data without encryption

4.4 Data Retention

• Account Data: Retained while your account is active
• Local Data: Stored on your device until you clear it or uninstall the App
• Deleted Accounts: Authentication data is permanently deleted within 30 days

5. Your Rights and Choices

5.1 Access and Control

You have the right to:

• Access your personal data
• Update your profile information
• Delete your account and associated data
• Export your game statistics (via in-app feature)

5.2 Managing Your Data

You can manage your data through the App or via our account deletion page:

• Clear Cache: Settings → Cache Management → Clear Cache
• Clear All Data: Settings → Advanced → Clear All Data
• Delete Account: Account → Danger Zone → Delete Account

5.3 Opt-Out of Tracking

• Ad Personalization: Visit your device settings (iOS: Settings → Privacy → Advertising; Android: Settings → Google → Ads)
• Analytics: Contact us to opt out of analytics tracking

6. Children's Privacy

Our App is intended for users of all ages and is safe for children. We do not knowingly collect personal information from children under 13 without parental consent.

Important Safety Features for Children:

• No communication features - children cannot interact with other users
• No user-generated content - children cannot create or share content
• No in-app purchases - no risk of unauthorized spending
• Single-player only - safe, isolated training environment

If you are a parent or guardian and believe your child has provided us with personal information, please contact us, and we will delete such information.

7. International Data Transfers

Your information may be transferred to and processed in countries other than your own. By using the App, you consent to such transfers. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by:

• Updating the "Last Updated" date at the top of this policy
• Displaying a notification within the App
• Sending an email to your registered address (for material changes)

Your continued use of the App after changes are posted constitutes your acceptance of the updated policy.

9. Your Privacy Rights

California Privacy Rights (CCPA)

If you are a California resident, you have additional rights:

• Right to Know: What personal information we collect, use, and disclose
• Right to Delete: Request deletion of your personal information
• Right to Opt-Out: Opt out of the sale of personal information (Note: We do NOT sell your personal information)
• Right to Non-Discrimination: We will not discriminate against you for exercising your rights

European Privacy Rights (GDPR)

If you are in the European Economic Area (EEA), you have rights under the GDPR:

• Right of Access: Obtain confirmation of data processing and access to your data
• Right to Rectification: Correct inaccurate personal data
• Right to Erasure: Request deletion of your data ("right to be forgotten")
• Right to Restrict Processing: Limit how we use your data
• Right to Data Portability: Receive your data in a structured format
• Right to Object: Object to processing of your data

10. Contact Information

If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:

Email: [email protected]

App: Settings → About → Contact Us

For data protection inquiries, please include "Privacy" in the subject line.

11. Consent

By using Guess the Eval, you consent to this Privacy Policy and agree to its terms.