Privacy Policy for Liquids

Last Updated: January 2025

1. Information We Collect

Liquids is a premium hydration tracking app with no ads that respects your privacy. We collect minimal information necessary to provide our advanced features:

Data You Provide:

Hydration Data: Drink entries, custom drinks, daily goals, hydration preferences, and intake history
Account Information: When you sign in with Google, we store your Google account ID for cloud synchronization
Settings & Preferences: Reminder schedules, notification settings, language preferences, theme choices, and app customizations
Gamification Data: Achievement progress, daily challenge completions, streak records, and experience points
Custom Content: User-created drinks, custom cup sizes, favorite drink selections, and personalized goals

Device Data We Access:

Device Orientation: Gyroscope data for 3D water drop visualization (processed locally, not stored)
Notification Permissions: To deliver smart hydration reminders
Storage Access: For local data storage and export functionality (PDF/CSV)

Data We Do NOT Collect:

Personal identification information beyond Google account ID
Precise location data or GPS coordinates
Contact lists or phone data
Health data beyond hydration tracking
Sensitive personal information
Advertising identifiers (we have no ads)
Browsing history or external app usage

2. How We Use Your Information

Your data is used exclusively for providing and improving our services:

Core App Functionality: Tracking your hydration progress, displaying 3D visualizations, and generating comprehensive analytics
AI-Powered Insights: Analyzing your hydration patterns to provide personalized tips and behavior recommendations (processed locally)
Gamification Features: Managing achievements, daily challenges, progress levels, and streak tracking
Cloud Synchronization: Syncing your data across your devices via Google Firebase when you sign in
Smart Reminders: Scheduling and delivering personalized hydration notifications based on your preferences
Personalization: Saving your custom drinks, cup sizes, favorite beverages, and app preferences
Export & Analytics: Generating PDF reports and CSV data exports of your hydration history
Multi-Language Support: Displaying the app in your preferred language (13 languages supported)
Safety Features: Providing alcohol consumption warnings and hydration recommendations

3. Data Storage and Security

Local Storage: Your hydration data, achievements, and preferences are primarily stored locally on your device using encrypted databases
Cloud Storage: When you sign in with Google, data is securely stored in Google Firebase with end-to-end encryption
AI Processing: All AI insights and pattern analysis are processed locally on your device - no hydration data is sent to external AI services
No Third-Party Sharing: We do not share, sell, rent, or provide your personal or hydration data to any third parties
No Advertising Networks: Since we have no ads, no data is shared with advertising platforms or trackers
Secure Transmission: All data transmission uses HTTPS encryption and Firebase security protocols
Data Processing Location: Data may be processed in the United States and other countries where Google Firebase operates
Export Security: PDF and CSV exports are generated locally and stored securely on your device

4. Your Rights and Control

You have complete control over your data:

Full Access: View all your hydration data, achievements, and settings within the app
Easy Export: Export your complete hydration history as PDF reports or CSV files for external analysis
Complete Deletion: Sign out to stop cloud sync, or delete the app to remove all local data permanently
Offline Usage: Use the app entirely offline without signing in to avoid any cloud storage
Data Portability: All exported data is in standard formats (PDF/CSV) for easy transfer to other apps
Selective Sync: Choose what data to sync to the cloud through your account settings
Immediate Control: Turn off reminders, disable features, or reset achievements at any time

5. Data Retention

Local Data: Stored until you delete the app or clear app data
Cloud Data: Stored until you sign out or request deletion
Account Deletion: Contact us to permanently delete cloud data
Analytics Data: Anonymous usage data may be retained for up to 2 years for service improvement

6. Children's Privacy

Liquids is suitable for users 13 and older. We do not knowingly collect data from children under 13. If you believe a child has provided data, please contact us immediately.

7. Third-Party Services

We use only essential, privacy-focused services:

Google Firebase: For authentication and secure cloud storage only (Google's Privacy Policy applies)
Google Play Services: For app distribution, updates, and payment processing (Google's Privacy Policy applies)
Google Play Billing: For processing one-time Premium purchases (price varies by country)
No Analytics Services: We do not use Google Analytics, Facebook Analytics, or similar tracking services
No Advertising Networks: No AdMob, Facebook Ads, or any advertising platform integrations
No Crash Reporting: We do not use external crash reporting services that might collect additional data

8. International Data Transfers

Your data may be transferred and processed internationally:

Cloud Data: Google Firebase stores data on servers worldwide with appropriate security measures
Legal Protections: Data transfers comply with GDPR, CCPA, and other applicable privacy laws
Safeguards: Google maintains appropriate technical and organizational measures for secure international transfers

9. Changes to Privacy Policy

We may update this policy occasionally. Changes will be posted here with an updated date. Continued use of the app after changes constitutes acceptance.

10. Contact Information

For privacy questions or requests:

Email: an.dimitrov764@gmail.com
Subject: "Liquids Privacy Request"
Response Time: We typically respond within 48 hours

11. Legal Basis (GDPR)

For EU users, our legal basis for processing is:

Consent: You consent by using the app and signing in
Legitimate Interest: Providing the hydration tracking service
Contract: Fulfilling our obligations as an app service provider

12. California Privacy Rights (CCPA)

California residents have the right to:

Know: What personal information we collect and how it's used
Delete: Request deletion of personal information
Opt-Out: Opt-out of the sale of personal information (we don't sell personal info)
Non-Discrimination: Equal service regardless of privacy choices

This privacy policy is specifically designed for Liquids, a premium hydration tracking app with no ads. The app offers a 7-day free trial of all features, after which users can purchase lifetime premium access (price varies by country). All advanced features including AI insights, gamification, cloud sync, and analytics are included in the premium version.

13. App-Specific Privacy Features

Ad-Free Experience: No advertising means no ad tracking, no behavioral profiling for ads, and no data sharing with ad networks
Local AI Processing: All AI insights and pattern analysis happen on your device - we never send your hydration data to external AI services
Gyroscope Privacy: Device orientation data is used only for real-time 3D visualization and is never stored or transmitted
Offline Capability: The app works fully offline, ensuring your data never leaves your device unless you choose cloud sync
Minimal Permissions: We only request essential permissions (storage for exports, notifications for reminders, sensors for 3D graphics)
No Background Data: The app does not collect or transmit data when running in the background