Privacy Policy

Last updated: April 2026

1. Introduction

We are committed to protecting your privacy. This Privacy Policy explains how Caly collects, uses, and protects your data when you use our mobile application.

By using Caly, you consent to the data practices described in this policy.

2. Information We Collect

2.1 Health and Profile Information

Collected during onboarding to calculate personalized calorie goals:

  • Gender, date of birth, height, weight, target weight
  • Activity level and workouts per week
  • Weight change speed preference
  • Diet preference and personal barriers

2.2 Meal and Nutrition Data

  • Photos uploaded for AI food analysis
  • Barcode numbers from product scans
  • Text descriptions of meals
  • Calorie and macronutrient values (protein, carbs, fat)
  • Meal types and timestamps

2.3 Device and Usage Data

  • Device type and operating system version
  • App preferences (appearance mode, unit preferences)
  • Scan type logs and session data
  • Daily calorie history and weekly progress data

2.4 Information We Do NOT Collect

  • Name or email address (no account registration required)
  • Location data
  • Contacts or address book
  • Device identifiers for advertising
  • Financial or payment information (handled entirely by Apple)

3. How We Use Your Information

3.1 Service Provision

  • Calculate personalized calorie goals using the Mifflin-St Jeor equation
  • Process meal photos and descriptions through AI analysis
  • Look up product nutritional data via barcode
  • Track daily and weekly nutrition progress

3.2 App Personalization

Diet preferences and barriers are used to tailor your experience within the App.

4. Information Sharing

We Do Not Sell Your Personal Information

4.1 Service Providers

We share information with trusted third-party services solely to deliver App functionality:

  • OpenAI (AI-powered nutritional analysis)
  • Open Food Facts (barcode product lookup)
  • Apple App Store (subscription and payment processing)

5. Image Processing and AI

5.1 Temporary Processing

  • Meal photos are sent to our server for real-time AI analysis
  • Images are processed and not permanently stored on our servers
  • Temporary files are automatically deleted after processing

5.2 Data Security

  • Images are encrypted during transmission
  • Processing occurs on secure servers
  • Access is limited to authorized systems

6. Data Storage and Retention

  • All user data is stored locally on your device
  • Data is protected by iOS device-level security (passcode, Face ID, Touch ID)
  • If you delete the App, all locally stored data is permanently removed
  • Server-processed data (meal photos, descriptions) is not retained after analysis
  • No cloud backup or sync of user data

7. Device Permissions

  • Camera — Required for meal photo capture and barcode scanning
  • Photo Library — Optional, to select meal photos from your gallery
  • Apple Health — Optional, to sync activity data for calorie adjustment
  • Notifications — Optional, for meal logging reminders

You can manage all permissions in your device's Settings at any time.

8. Your Rights

You have the right to:

  • Access your data through the App's settings
  • Update your profile information at any time
  • Delete all your data by uninstalling the App
  • Revoke device permissions via iOS Settings
  • Opt out of optional permissions without losing core functionality

9. Children's Privacy

  • Caly is not intended for children under 13
  • We do not knowingly collect information from children under 13
  • If we learn we have collected such information, we will delete it promptly

10. Security Measures

  • Encryption of data in transit
  • Secure server-side processing
  • Access controls on all systems
  • Local device-level storage protection via iOS security

11. Changes to Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of material changes through in-app notifications or App Store update notes. Your continued use of the App after changes constitutes acceptance of the updated Privacy Policy.

12. Contact Us

For privacy-related questions or to exercise your rights, contact us at: [email protected]