1. Introduction
Welcome to D Clock! This Privacy Policy explains how we collect, use, and protect your information when you use our digital clock application with weather and air quality features.
2. Information We Collect
2.1 Information You Provide
- Theme Preferences: Your choice of dark or light theme
- Time Format Settings: Your preference for 12-hour or 24-hour time display
- Location Data: When you grant location permissions, we access your device location for weather and air quality data
2.2 Automatically Collected Information
- Device Information: Device model, manufacturer, brand, Android version, screen dimensions, and screen density
- Location Data: GPS coordinates for weather and air quality services (with your permission)
- Usage Analytics: App usage patterns, feature interactions, button clicks, screen time, session duration, and settings changes
- Weather Data: Current weather conditions and air quality information for your location
- Device Identifiers: Android ID (or generated installation ID), installation timestamp, and session identifiers
- Locale Information: Country, region, language, timezone, and timezone offset
- Ad Interactions: Ad views, clicks, and interactions with advertisements
3. How We Use Your Information
3.1 App Functionality
- Display current time and date
- Show real-time weather information for your location
- Display air quality index and PM2.5 levels
- Apply your preferred theme and time format settings
- Keep the screen on when the app is in focus
3.2 Weather and Location Services
- Use your location to fetch weather data from OpenWeatherMap API
- Retrieve air quality information for your area
- Display precise location information (neighborhood and city)
- Provide accurate weather icons and air quality indicators
3.3 Settings and Preferences
- Save and restore your theme preference (dark/light)
- Remember your time format choice (12/24 hour)
- Maintain your settings across app restarts
- Store notification preferences (enabled/disabled)
- Save location, weather, and AQI display preferences
3.4 Analytics and Improvement
- Collect anonymized usage data to improve app functionality
- Track feature usage to identify popular and unused features
- Monitor app performance and identify technical issues
- Analyze user interactions to enhance user experience
- All analytics data is sent to our secure backend server (dreamerz.in)
- Analytics can be disabled through app settings (with auto re-enable after 24 hours)
3.5 Advertising
- Display banner advertisements (header and footer)
- Show interstitial advertisements when exiting the app
- Track ad interactions for analytics purposes
- Ads are provided by Google AdMob
3.6 Notifications
- Send timer completion notifications
- Send severe weather alerts based on your location
- Send engagement notifications (exercise and meditation suggestions)
- All notifications can be disabled through app settings
3.7 Background Services
- Use WorkManager to update weather data in the background (every 30 minutes)
- Sync weather and air quality data in the background (every 1 hour)
- Background tasks only run when device is connected to internet
- Background sync respects battery optimization settings
4. Information Sharing
We Do Not Sell Your Data
We do not sell, trade, or rent your personal information to third parties.
4.1 Third-Party Services
- OpenWeatherMap API: For weather and air quality data
- Google Play Services: For location services and device information
- Google AdMob: For displaying advertisements and ad-related analytics
- Dreamerz Backend Server: For analytics data collection (dreamerz.in/api/receive_data.php)
- Android System: For device settings, permissions, and notifications
4.2 Location Data
- Your location is used only to fetch weather and air quality data
- Location data is cached locally for performance but not stored permanently on our servers
- Location information is processed by OpenWeatherMap API according to their privacy policy
- Location is used for severe weather alert notifications
4.3 Analytics Data
- Anonymized analytics data is sent to our secure backend server (dreamerz.in)
- Data includes: device information, app usage patterns, feature interactions, and session data
- No personally identifiable information (PII) is collected or transmitted
- Analytics data is used solely for app improvement and is not sold to third parties
- You can disable analytics at any time through app settings
4.4 Advertising Data
- Google AdMob may collect data for ad personalization and measurement
- Ad interactions (views, clicks) are tracked for analytics purposes
- AdMob's data collection is governed by Google's Privacy Policy
- You can opt out of personalized ads through your device settings
5. Data Storage and Security
5.1 Local Storage
- Theme and time format preferences are stored locally on your device
- Settings are saved using Android's SharedPreferences
- No sensitive data is stored in plain text
5.2 API Data
- Weather and air quality data is fetched in real-time
- Weather data is cached locally for 30 minutes to reduce API calls
- Air quality data is cached locally for 60 minutes
- Location coordinates are cached locally for WorkManager background tasks
- Cached data is automatically refreshed when expired
5.3 Analytics Data
- Analytics data is transmitted to our secure backend server via HTTPS
- Data is sent in real-time as events occur (with user consent)
- No analytics data is stored permanently on your device
- All data transmission uses encrypted HTTPS connections
5.4 Security Measures
- All data transmission uses HTTPS encryption
- Local preferences are stored securely using Android's built-in security
- Analytics data is anonymized and does not contain personally identifiable information
- Device identifiers are hashed or anonymized where possible
- API keys are stored securely in BuildConfig, not in source code
6. Children's Privacy
6.1 General Use
D Clock is designed for general use and does not specifically target children.
6.2 Age-Appropriate Content
- Content is suitable for all ages
- No personal information is collected from children under 13 without parental consent
- Weather and time information is family-friendly
7. Your Rights and Choices
7.1 Location Permissions
- You can grant or deny location permissions
- Location access can be revoked through device settings
- App will use default location (New York) if location is not available
7.2 Settings Control
- You can change theme preferences at any time
- You can toggle between 12-hour and 24-hour time format
- You can enable/disable notifications (timer, weather alerts, engagement)
- You can enable/disable location, weather, and AQI display
- All settings are immediately saved and applied
7.3 Analytics Control
- Analytics is enabled by default but can be disabled through app settings
- When disabled, analytics will automatically re-enable after 24 hours
- You can disable analytics again at any time
- Disabling analytics will stop all data transmission to our servers
7.4 Notification Control
- You can enable or disable all notifications through app settings
- Android system notification permissions can be managed through device settings
- Disabling notifications will prevent timer, weather, and engagement notifications
8. Data Retention
8.1 Local Data
- Settings preferences are retained as long as the app is installed
- Data is automatically deleted when the app is uninstalled
- No data persists after app removal
8.2 API Data
- Weather and air quality data is cached temporarily (30-60 minutes)
- Data is refreshed automatically when cache expires
- No historical weather data is maintained
- Cached data is cleared when app is uninstalled
8.3 Analytics Data
- Analytics data is sent to our servers in real-time
- Data retention period is determined by our backend server policies
- No analytics data is stored permanently on your device
- You can stop data collection by disabling analytics
9. International Users
If you are using D Clock from outside your country of residence, please note that:
- Weather data is provided by OpenWeatherMap API
- Location services are handled by Google Play Services
- Your information may be processed in different countries
10. 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 in the app
- Updating the "Effective Date" at the top of this policy
12. Consent
By using D Clock, you consent to the collection and use of information as described in this Privacy Policy.