Privacy Policy

Last updated: December 27, 2025

This Privacy Policy describes how 1904 ("we," "our," or "us") collects, uses, shares, and protects your information when you use our mobile application 1904 ("the App"). We are committed to protecting your privacy and ensuring transparency about our data practices.

1. Information We Collect

1.1 Information You Provide

When you use our App, you may voluntarily provide information such as:

  • Training session data (serve accuracy, rally length, unforced errors, session notes)
  • Match predictions and preferences
  • User preferences and settings
  • Photos captured via camera when submitting support requests through the contact form
  • Contact information when you reach out to us for support

1.2 Automatically Collected Information

We automatically collect certain information when you use the App:

  • Device Information: Device manufacturer, model, operating system version, and user agent string
  • Unique Identifiers: We generate a random unique user ID (UUID) for app functionality. We may also collect your Google Advertising ID (GAID) for analytics and attribution purposes
  • App Installation Source: Information about where you downloaded the app (e.g., Google Play Store)
  • Network Information: Connection status and network type for app functionality

2. Push Notifications

The App uses Firebase Cloud Messaging (FCM) to send you push notifications about tennis matches, updates, and other relevant information.

  • We collect an FCM token to deliver notifications to your device
  • You can opt out of push notifications at any time through your device settings
  • Notification preferences may be used to subscribe you to relevant topic-based notifications based on your device language

Firebase is operated by Google. For more information, see Firebase Privacy Policy.

3. Analytics & Attribution

This app may use third-party analytics and attribution services to understand how users interact with our app, measure advertising effectiveness, and improve our services:

  • AppsFlyer - Mobile attribution and analytics platform that helps us understand app installs and user acquisition. Privacy Policy
  • AppMetrica - Analytics service for mobile applications. Privacy Policy

These services may collect:

  • Device identifiers (including Google Advertising ID)
  • App usage statistics and interaction patterns
  • Attribution data to understand how you found our app
  • Crash reports and performance data

You can opt out of personalized advertising by adjusting your device's advertising settings or resetting your Google Advertising ID.

4. Camera Access

The App may request access to your device's camera when you use the contact form to submit bug reports or support requests. This allows you to capture and attach photos to help us understand and resolve issues.

  • Camera access is only used when you explicitly choose to take a photo
  • Photos are transmitted only when you submit a support request
  • You can deny camera permission without affecting other app functionality

5. Calendar & Reminders

This app may allow you to save events and reminders to your device's system calendar. This feature helps you track important tennis matches, tournaments, or training schedules.

All calendar data remains on your device and is not transmitted to our servers or any third parties. You can control calendar permissions through your device settings at any time.

6. Location Services

This app may request GPS location access for features such as finding nearby tennis courts, training facilities, or tournament venues.

When location services are used, location information is processed locally on your device and is not stored on our servers.

Third-party mapping services that may be used include:

7. Fitness & Health Data

This app may allow you to input personal fitness data such as weight, height, workout information, and other health metrics to track your tennis training progress.

All fitness and health data is stored locally on your device only. This data is not transmitted to our servers or shared with third parties.

8. Local Data Storage

The App stores the following information locally on your device:

  • User preferences and app settings
  • Training session history and statistics
  • Match prediction history
  • Cached tennis match data, player information, and articles for offline access
  • Authentication and privacy consent status

This local data is not transmitted to our servers unless explicitly stated. You can clear this data at any time through the app's settings or by uninstalling the application.

9. Data Sharing

We do not sell your personal information. We may share your information in the following circumstances:

  • Service Providers: With analytics and attribution partners (AppsFlyer, AppMetrica) to help us understand app usage and measure advertising effectiveness
  • Push Notification Services: With Firebase Cloud Messaging to deliver notifications
  • Legal Requirements: When required by law or to protect our rights

10. How We Use Your Information

We use the collected information to:

  • Provide and maintain the App's functionality
  • Send push notifications about tennis updates (with your consent)
  • Analyze app usage to improve our services
  • Measure advertising and marketing effectiveness
  • Respond to your support requests
  • Detect and prevent technical issues and abuse

11. Data Security

We implement appropriate technical and organizational measures to protect your information against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet or electronic storage is 100% secure.

12. Third-Party Links and Advertising

The App may contain links to third-party websites or display advertisements from external advertising networks. We are not responsible for the privacy practices of these third parties. We strongly advise you to review the privacy policy of every site you visit.

13. Children's Privacy

Our App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. 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.

14. Your Rights and Choices

You have the following rights regarding your data:

  • Access: Request information about the data we hold about you
  • Deletion: Request deletion of your personal information by using the "Delete All Data" option in app settings or by contacting us
  • Opt-out of Notifications: Disable push notifications through your device settings
  • Opt-out of Personalized Advertising: Reset your Google Advertising ID or opt out through your device's advertising settings
  • Withdraw Consent: Revoke permissions (camera, location, notifications) through your device settings

15. Data Retention

We retain your information only for as long as necessary to fulfill the purposes outlined in this Privacy Policy:

  • Local data remains on your device until you delete it or uninstall the app
  • Analytics data is retained according to our analytics providers' retention policies
  • Support request data is retained for as long as necessary to resolve your inquiry

16. Changes to This Policy

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

17. Contact Us

If you have any questions about this Privacy Policy, our data practices, or wish to exercise your data rights, please contact us at:

Email: [email protected]