Privacy Policy
Zodiac Age Calculator
Last Updated: December 28, 2025
Your Privacy Matters: Zodiac Age Calculator is designed with your privacy in mind. We are committed to protecting your personal information and being transparent about our data practices.
1. Overview
Zodiac Age Calculator ("we", "our", or "the app") is an offline-first astrology and age calculation application. This Privacy Policy explains how we handle your information when you use our app.
2. Information We Collect
2.1 Information You Provide
- Birth Date: You provide your birth date to calculate your age, zodiac sign, and related astrological information.
- App Preferences: Settings such as dark mode preference and notification preferences.
2.2 Information Stored Locally
All data is stored locally on your device using:
- Room Database: Stores zodiac sign information and historical events for offline access.
- DataStore: Stores your preferences and birth date securely on your device.
Important: Your birth date and personal information NEVER leave your device. We do not have access to any of your data.
3. How We Use Your Information
The information stored on your device is used solely for:
- Calculating your age and displaying age-related information
- Determining your zodiac sign and providing astrological insights
- Calculating Chinese zodiac and planetary ages
- Showing historical events from your birth date
- Providing daily horoscopes based on your zodiac sign
- Calculating compatibility with other zodiac signs
- Sending optional daily horoscope notifications
4. Data Storage and Security
4.1 Local Storage Only
All your data is stored exclusively on your device. We use industry-standard Android security practices including:
- Encrypted DataStore for sensitive preferences
- Room Database with SQLite for structured data
- No cloud backup or synchronization
- No third-party analytics or tracking
4.2 Data Retention
Your data remains on your device until you:
- Use the "Reset App Data" option in Settings
- Uninstall the application
- Clear the app's data through your device settings
5. Permissions We Request
5.1 Internet Permission
Purpose: Used only to load the Privacy Policy page within the app. The app functions fully offline and does not require an internet connection for any core features.
5.2 Notification Permission (Android 13+)
Purpose: Allows the app to send daily horoscope notifications. This is entirely optional and can be disabled at any time.
6. Third-Party Services
Zodiac Age Calculator does NOT use any third-party services, including:
- No analytics platforms (Google Analytics, Firebase Analytics, etc.)
- No advertising networks
- No crash reporting services
- No social media integrations
- No external APIs (the app uses mock data for demonstration)
7. Children's Privacy
Our app is suitable for all ages. We do not knowingly collect any personal information from children. All data is stored locally on the device, and no information is transmitted to any servers.
8. Your Rights and Choices
You have complete control over your data:
- Access: All your data is accessible within the app
- Modify: You can change your birth date at any time
- Delete: Use "Reset App Data" in Settings to clear all stored information
- Export: Currently not available (data is stored locally only)
- Notifications: Enable or disable in your device settings
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. When we do, we will:
- Update the "Last Updated" date at the top of this policy
- Notify users through the app if there are significant changes
- Post the updated policy at the same URL
10. Open Source
Zodiac Age Calculator is an open-source project. You can review our source code to verify our privacy practices at:
https://github.com/hemanthguvvala/AgeCalculator
11. Data Protection Compliance
While we do not collect or transmit any personal data, we follow the principles of:
- GDPR (General Data Protection Regulation)
- CCPA (California Consumer Privacy Act)
- COPPA (Children's Online Privacy Protection Act)
Since all data is stored locally and never transmitted, these regulations naturally apply to our privacy-first approach.
12. Contact Us
Thank you for trusting Zodiac Age Calculator with your astrological journey!
🌟 Your privacy is our priority 🌟