Welcome to TDS AI Calculator. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our water quality measurement application.
Important: TDS AI Calculator is designed with privacy in mind. We do not collect, store, or transmit any personal water quality data to external servers. All measurements and calculations are performed locally on your device.
1. Information We Collect
1.1 Information You Provide
When you use TDS AI Calculator, you may input the following information:
- Electrical conductivity readings (µS/cm)
- Temperature measurements (°C)
- Conversion factor values
- Water source information
Note: All this information is stored locally on your device only. We do not have access to this data.
1.2 Automatically Collected Information
We may collect certain information automatically, including:
- Device information (model, operating system version)
- App usage statistics (anonymized)
- Crash reports (if you opt-in)
1.3 Information We Do NOT Collect
- Personal identification information (name, address, phone number)
- Location data or GPS coordinates
- Water sampling location details
- Contact list or photos
- External water testing results
2. How We Use Your Information
The information we collect is used to:
- Provide accurate TDS measurements and water quality calculations
- Improve app functionality and user experience
- Respond to your inquiries and support requests
- Send app updates and important notifications (if you opt-in)
- Analyze app usage to fix bugs and improve performance
3. Data Storage and Security
3.1 Local Storage
All your water quality measurements and calculations are stored locally on your device using Android's secure DataStore. This data is:
- Encrypted using Android's built-in security features
- Never transmitted to external servers
- Accessible only by the TDS AI Calculator app
- Deleted when you uninstall the app
3.2 Security Measures
We implement industry-standard security measures to protect your data:
- Secure coding practices
- Regular security updates
- No third-party data sharing
- Minimal permission requirements
4. Third-Party Services
TDS AI Calculator may use the following third-party services:
- Google Play Services: For app distribution and updates
- Android System Services: For basic app functionality
We do not integrate any third-party analytics, advertising, or tracking services.
5. AI Chat Feature
The AI Chat Assistant in our app:
- Uses AI responses powered by Pollinations.AI API for water quality guidance
- Does not store or transmit chat history to external servers
- Processes queries locally when possible
- Does not learn from or remember your conversations
- Provides general water quality information and recommendations
6. Children's Privacy
TDS AI Calculator is intended for users who are 18 years of age or older. We do not knowingly collect information from children under 18. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.
7. Your Rights and Choices
You have the right to:
- Access: View all data stored by the app in Settings
- Delete: Clear all app data through Android Settings or by uninstalling
- Control: Manage notification preferences in Settings
- Opt-out: Disable optional features at any time
8. Data Retention
Your data is retained only as long as the app is installed on your device. When you:
- Uninstall the app: All local data is permanently deleted
- Clear app data: All stored information is removed
- Reset the app: Previous calculations are erased
9. Changes to This Privacy 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 "Last Updated" date
- Sending an in-app notification (for significant changes)
You are advised to review this Privacy Policy periodically for any changes.
10. Permissions
TDS AI Calculator requires the following permissions:
- Internet: Required for AI Chat Assistant feature (Pollinations.AI API)
- Network State: To check connectivity status
We do not request access to:
- Camera or microphone
- Contacts or call logs
- Location services
- External storage (except for app data)
11. Compliance
TDS AI Calculator complies with:
- Information Technology Act, 2000 (India)
- Android App Privacy Guidelines
- Google Play Store Policies
12. Disclaimer
Important Notice: TDS AI Calculator is provided for informational and educational purposes only. The TDS measurements and water quality assessments are based on standard calculation methods and may not reflect your exact water quality. Always verify measurements with professional water testing equipment and consult with water quality experts for accurate analysis.