Introduction

NB Chat ("we," "our," or "us") is committed to protecting your privacy and personal information. This Privacy Policy explains how we collect, use, and safeguard your information when you use our AI-powered companion app designed to support individuals with anosmia and other sensory challenges.

Information We Collect

Personal Information

• Display name and profile information you provide
• Email address for account authentication
• Profile pictures and AI companion avatars you upload
• Food preferences, dietary restrictions, and health conditions you share
• Age and gender information (optional)

Usage Data

• App usage patterns and feature interactions
• Device information and app performance metrics
• Push notification tokens for meal reminders

Sensitive Data

• Conversation messages with your AI companion (stored locally on your device only)
• Mood tracking data (stored locally on your device only)
• Support network contacts (stored locally on your device only)
• Authentication tokens (encrypted and stored securely)

How We Use Your Information

• Provide food recommendations tailored to your preferences and dietary needs
• Send meal reminders and app notifications (if enabled)
• Improve our AI models and app functionality

Data Storage and Security

Privacy-First Approach

We implement a privacy-first architecture where sensitive personal data is stored locally on your device whenever possible.

Local Storage

• Mood data is encrypted and stored locally using MMKV encryption
• Chat history is stored locally in SQLite for offline access
• Support network contacts remain on your device only
• User preferences and settings are stored locally

Cloud Storage

• User profiles and account information (Supabase PostgreSQL with Row Level Security)
• Key conversation memory and food recommendation data (MongoDB)
• Images and media files (encrypted cloud storage)

Security Measures

• JWT-based authentication for secure API access
• Row Level Security (RLS) ensuring users only access their own data
• End-to-end encryption for sensitive data transmission
• Regular security audits and updates
• Automatic data cleanup for temporary content

Third-Party Services

We work with trusted third-party services to provide you with the best experience:

• OpenAI: Powers our AI conversation capabilities
• Supabase: Secure user authentication and profile management
• RevenueCat: Subscription management (if applicable)
• Expo: Push notifications for meal reminders

These services have their own privacy policies and security measures. We only share the minimum necessary information with these services to provide our features.

Data Sharing

We do not sell, trade, or rent your personal information to third parties. We may share your information only in these limited circumstances:

• With your explicit consent
• To comply with legal obligations or law enforcement requests
• To protect our rights, privacy, safety, or property
• In connection with a merger, acquisition, or sale of assets (with notice to users)

Your Rights and Choices

You have the following rights regarding your personal information:

• Access: Request a copy of your personal data
• Correction: Update or correct your personal information
• Deletion: Request deletion of your account and associated data
• Opt-out: Disable push notifications
• Local Control: Manage locally stored data directly through the app

Data Retention

• Account information: Retained until account deletion
• Conversation history: Configurable retention periods, default 30 days
• Mood data: Stored locally with automatic cleanup of old entries
• Usage analytics: Aggregated and anonymized after processing
• Deleted data: Permanently removed within 30 days of deletion request

Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any material changes by posting the new Privacy Policy in the app and updating the "Last updated" date. Your continued use of NB Chat after such changes constitutes acceptance of the updated Privacy Policy.

Contact Us

If you have any questions about this Privacy Policy or our privacy practices, please contact us:

Accessibility and Anosmia Support

NB Chat is designed with accessibility and anosmia support in mind. We collect and use information to provide specialized features for users with sensory challenges, including detailed texture and visual descriptions that avoid smell/taste references. Your accessibility needs and preferences help us provide a more inclusive experience.