Last Updated: October 2025
Introduction
Wellmetry: Monitor Your Vitals ("Wellmetry: Monitor Your Vitals", "our", "us" or "we") values your privacy and is designed with transparency and minimal data handling. This Privacy Policy explains how your data is managed within our mobile app and related services ("Service").
IMPORTANT: Wellmetry: Monitor Your Vitals stores all fasting, health, and tracking data securely on your device.** We do not collect, sell, or transmit your personal information to any external servers.
By using Wellmetry: Monitor Your Vitals, you agree to this Privacy Policy and acknowledge that your data stays local unless you explicitly choose to use optional services such as iCloud sync or RevenueCat subscription management.
1. Collection of Information – We Collect Nothing
What We Do NOT Collect
- Personal identification (name, email, phone number)
- Device identifiers (IDFA, IMEI, MAC address)
- Location data or GPS
- Network/IP information
- Usage statistics or analytics
- Crash reports or diagnostics
- Bank/financial account details
- Your fasting sessions, meals, weight, glucose, medication, or exercise data beyond your device
Local Data Storage Only
- All data stored locally using iOS Core Data
- Secure app sandbox ensures privacy
- No servers, databases, or cloud storage
- Data never leaves your device
Types of Data Stored Locally:
- Fasting session records (start/end times, duration, notes)
- Weight and body measurements (weight, body fat, muscle mass, waist, hip)
- Meal entries (calories, macros: carbs, protein, fat)
- Exercise logs (type, duration, calories burned)
- Medication records (type, dosage, time taken, reminders)
- Glucose readings (values, units, context, notes)
- User profile information (age, gender, height, goals, fasting protocol, dietary restrictions)
- Analytics summaries (calculated locally from your data)
Third-Party Services
- RevenueCat: Only for subscription verification (anonymous identifiers)
- Apple StoreKit: Only for payment processing
- No analytics SDKs, no ads, no trackers
Cookies and Tracking
- No cookies or tracking
- No cross-site tracking or fingerprinting
- No user profiling
2. Use of Personal Data – No Data Use
Local Processing Only
- All calculations and reports happen locally
- No server-side computations or analysis
- Analytics and insights generated on-device
No Data Utilization
- No health pattern analysis
- No personalized recommendations based on external data
- No syncing across devices (you manage this via optional iCloud)
- No backups on our servers
Subscription Management
- Apple handles payments and receipts
- RevenueCat verifies subscription anonymously
3. Sharing of Personal Data – Zero Sharing
We cannot share what we don't have.
- No third-party data agreements
- No marketing or partnerships involving data
Services involved:
- Apple App Store (distribution only)
- Apple StoreKit (payments only)
- RevenueCat (subscription verification only)
Legal Compliance:
- If requested, we can only reply "no data available"
4. Legal Basis for Data Processing – Not Applicable
- No contract, consent, or legal requirement needed
- Automatically compliant with GDPR, CCPA, COPPA, PIPEDA
5. Your Rights – Complete Control
- Access: View all your data in the app
- Edit: Modify or correct entries (fasting sessions, meals, weight, glucose, medications, exercises)
- Delete: Remove individual or all data anytime
- Export: Export CSV backups of your data
- Control: Enable biometric lock, clear data, uninstall app
6. Children's Privacy – Automatic Protection
- No data collection = no risk
- COPPA compliant by default
- Safe for educational use
7. International Data Transfers – None
- No servers = no data transfers
- Compliant in EU, US, Canada, Asia-Pacific
- Data never leaves your device
8. Policy Updates and Contact
- Updates posted in the app and App Store notes
- Core principle ("no data collection") will never change
Contact:
- Via App Store developer support
- Subscription issues handled by Apple
9. Response to Privacy Requests
- Response within 30 days for standard requests
- Emergency concerns addressed within 24 hours
10. App Store Compliance
- Complies with Apple's App Store Guidelines
- Subscriptions handled via Apple's secure payment system
- RevenueCat (subscriptions), Apple iCloud (optional sync), App Store (distribution)
11. California Privacy Rights (CCPA)
- Right to Know, Delete, Opt-Out, Non-Discrimination
- All exercisable via in-app features
12. European Privacy Rights (GDPR)
- Rights: Access, Rectify, Erase, Restrict, Portability, Object
- Legal Basis: Minimal data use (subscriptions only)
- Authority: Users can contact their regional data protection authority
Health Data Privacy
Wellmetry: Monitor Your Vitals may collect health-related information including:
- Fasting session data
- Weight and body measurements
- Meal and nutrition information
- Exercise activities
- Medication records
- Glucose readings
- Health goals and preferences
All health data is stored exclusively on your device and is never transmitted to external servers. You maintain complete control over your health information.
Summary
Wellmetry: Monitor Your Vitals is built with zero data collection at its core. Your fasting, health, and tracking data always stays only on your device. We cannot access, share, or misuse your personal information.