Privacy Policy
Last updated: December 31, 2025
Introduction
Welcome to GlassHunter. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our beer glass collection tracking application.
Information We Collect
Account Information
When you create an account, we collect:
- Email address
- Password (encrypted and securely stored)
- Display name (optional)
- Profile information you choose to provide
Collection Data
When you use GlassHunter to track your beer glass collection, we store:
- Photos of your beer glasses
- Glass details (brand, M number, location stamps, capacity)
- Associated pub locations and visit information
- Notes and custom descriptions you add
AI Photo Analysis
When you use our AI-powered photo extraction feature:
- Photos are temporarily processed by third-party AI services (OpenAI GPT-4o, Anthropic Claude)
- Photos are not permanently stored by these AI providers
- Extracted data (M numbers, location stamps, brands) is stored in your collection
Usage Data
We automatically collect:
- Device information and browser type
- App usage statistics and feature interactions
- AI photo analysis usage counts (for free tier limits)
- Error logs and performance data
Social Features
If you use premium features like friends and sharing:
- Friend connections and invitations
- Shared collection visibility settings
- Activity notifications and interactions
How We Use Your Information
We use your information to:
- Provide and maintain the GlassHunter service
- Process and analyze your beer glass photos using AI
- Enable collection tracking and organization features
- Facilitate social features (friends, sharing) for premium users
- Send notifications about your collection and friends' activity
- Improve our app's performance and user experience
- Enforce usage limits for free tier users
- Communicate important updates about the service
Data Storage and Security
Your data is stored securely using Supabase (PostgreSQL database) with industry-standard encryption. We implement:
- Encrypted passwords using bcrypt hashing
- Row Level Security (RLS) policies to protect your data
- HTTPS encryption for all data transmission
- Regular security audits and updates
- Access controls limiting who can view your data
Third-Party Services
We use the following third-party services:
- Supabase: Database and authentication services
- Vercel: Hosting and deployment platform
- OpenAI (GPT-4o): AI-powered photo analysis
- Anthropic (Claude): Backup AI photo analysis
- Stripe: Payment processing for premium subscriptions
These services have their own privacy policies and we recommend reviewing them.
Data Sharing
We do not sell your personal data. We may share data:
- With friends you explicitly connect with (premium feature)
- With third-party services necessary to operate the app (as listed above)
- When required by law or legal process
- To protect our rights, safety, or the safety of others
Your Privacy Rights
You have the right to:
- Access your personal data
- Correct inaccurate data
- Delete your account and associated data
- Export your collection data
- Opt out of marketing communications
- Control your privacy settings and sharing preferences
Data Retention
We retain your data for as long as your account is active. If you delete your account, we will delete your personal data within 30 days, except where we are legally required to retain certain information. Photos sent to AI providers are not permanently stored by those services.
Children's Privacy
GlassHunter is not intended for users under 18 years of age. We do not knowingly collect personal information from children. If you believe we have collected data from a child, please contact us immediately.
Changes to This Policy
We may update this privacy policy from time to time. We will notify you of significant changes by email or through the app. Your continued use of GlassHunter after changes constitutes acceptance of the updated policy.
Contact Us
If you have questions about this privacy policy or how we handle your data, please contact us:
GlassHunter Support
Email: privacy@glasshunter.app