Privacy Policy

Effective Date: June 5, 2025

1. Overview

Your privacy is our top priority. This Privacy Policy explains how BioSight ("we", "our", or "us") collects, uses, stores, and protects your information. This app is designed to function entirely on-device. Your data is not stored on external servers, shared with third parties, or used for advertising or marketing purposes.

2. Data Collection

We collect only the minimum amount of information necessary to provide a personalized, secure, and efficient user experience. This includes:

• Health Metrics You Input:
  
  

  • Calories, macronutrients (protein, fat, carbs)
    
    

  • Micronutrients (vitamins, minerals)
    
    

  • Weight, height, age, and gender
    
    

  • Exercise activity and calorie expenditure
    
    

  • Water intake
    
    

  • Custom goals and preferences
    
    

• Optional User Account Info:
  
  

  • Custom email-based login
    
    

  • Login credentials are securely encrypted and stored locally on your device only
    
    

• AI Assistant Inputs:
  
  

  • Any health-related queries you enter into the AI Dietician assistant remain on-device and are used solely for providing responses. We do not store or transmit this data externally.
    
    

3. Data Usage

All data you provide is used solely to:

• Track your health and fitness metrics
  
  

• Generate insights and visualizations
  
  

• Suggest recipe and meal plans tailored to your dietary goals
  
  

• Enable AI-assisted nutrition support (entirely on-device)
  
  

• Personalize your app experience
  
  

We do not use your data for:

• Marketing
  
  

• Advertising
  
  

• Selling to third parties
  
  

• Analytics via external services
  
  

4. On-Device Data Processing

All health tracking, meal suggestions, and AI-based interactions are processed directly on your iOS device. No user-generated data is uploaded to our servers or third-party platforms.

Your device handles:

• Calorie tracking and logging
  
  

• Nutrient analysis
  
  

• Daily progress summaries
  
  

• Personalized suggestions
  
  

• AI Dietician query resolution
  
  

5. Account and Authentication

Users can choose to:

• Sign in using Apple Sign-In (with or without email sharing)
  
  

• Create a custom email/password login
  
  

Regardless of method:

• All credentials are stored securely and encrypted on-device
  
  

• Your email is never used for spam, marketing, or shared externally
  
  

• We do not access or read your Apple ID email, even if shared
  
  

6. Account Deletion

You have complete control over your data:

• You may delete your account at any time via the app settings
  
  

• This action will immediately erase all stored information from your device
  
  

• No backup or server-side recovery is possible, since we do not store any data externally
  
  

7. Children's Privacy

This app is not intended for users under the age of 13. We do not knowingly collect personal data from children. If we discover that we have unintentionally collected data from a child, we will immediately erase it from the device.

8. Security

We implement strong device-level security:

• All user credentials and sensitive health data are encrypted using industry-standard encryption (e.g., AES-256)
  
  

• The app does not connect to cloud storage or external databases
  
  

• Apple-provided secure enclave is used for authentication when available
  
  

9. Data Sharing & Third Parties

We do not share, sell, or transfer your data to:

• Advertisers
  
  

• Data brokers
  
  

• Analytics platforms
  
  

• Third-party health platforms (e.g., Google Fit or Apple HealthKit)
  
  

The app operates in full compliance with Apple’s data protection standards and App Store guidelines.

10. AI Dietician Usage

The built-in AI Dietician is an on-device assistant trained to provide:

• General dietary advice
  
  

• Explanations of nutrients
  
  

• Suggestions based on your logged goals
  
  

All queries are processed on-device, and we do not store or transmit any input or output related to your interactions with the AI assistant.

11. Your Rights

You have full control over your personal information:

• Access: View all data you have entered within the app
  
  

• Modify: Edit or update any personal or health data
  
  

• Delete: Permanently remove your account and all data
  
  

No request needs to be submitted externally—everything is handled directly via your app interface.

12. Contact Us

If you have any questions, concerns, or feedback regarding this Privacy Policy, you may contact us at:

Email: supporthealthtracker@icloud.com

13. Changes to This Policy

We may update this Privacy Policy to reflect changes in features, legal obligations, or technical improvements. Any updates will be:

• Announced within the app interface
  
  

• Clearly timestamped at the top of this document
  
  

Continued use of the app constitutes acceptance of the updated policy.

By using BioSight, you agree to this Privacy Policy and affirm that you understand and accept the way your data is handled—securely, privately, and always under your control.

BioSight AI provides AI-powered health insights based on established nutritional science, but is not a medical device. All data processing occurs securely on your device - nothing is shared externally. Recommendations reference guidelines from the NIH, WHO, and USDA, but individual results may vary.