Privacy Policy for Heart Rate Monitor

Effective Date: December 9, 2025 Last Updated: December 9, 2025 Version: 1.0

Introduction

Welcome to Heart Rate Monitor ("we", "our", "us", or "the App"). We respect your privacy. This privacy policy explains how the app works and what data is stored locally on your device when you use our heart rate monitoring application.

By using Heart Rate Monitor, you agree to this privacy policy.

⚠️ Important Notice - Wellness Tool Only

Heart Rate Monitor is designed exclusively for wellness, fitness, and personal health monitoring purposes.

❌ This app is NOT a medical device
❌ This app does NOT diagnose, treat, cure, or prevent any medical condition
❌ This app does NOT replace professional medical advice or treatment
❌ We make NO health claims or medical promises

If you have health concerns, please consult a qualified healthcare provider.

This app is intended solely to support your personal fitness and wellness monitoring practice.

Information We Collect

✅ PRIVACY-FIRST: ALL DATA STORED LOCALLY ON YOUR DEVICE

Heart Rate Monitor operates 100% offline with NO user accounts, NO servers, and NO data transmission.

1. Heart Rate Data (Stored Locally Only)

All data is stored on YOUR device using secure local storage:

Heart rate measurements - BPM readings from manual input or connected devices
Measurement history - Dates and timestamps of heart rate readings
Activity context - Optional notes about activity during measurement
Resting heart rate - Calculated baseline measurements
Heart rate zones - Personalized zone calculations based on your data
Trends and analytics - Local analysis of your heart rate patterns
Personal notes - Optional notes you save with measurements

2. App Preferences (Stored Locally Only)

Your settings stay on your device:

Profile information - Age, gender, weight (for zone calculations, stored locally)
Units preference - BPM or other heart rate units
Notification settings - Local reminder preferences
Theme preference - Light/dark mode or auto
Privacy settings - Analytics toggle (currently disabled)

3. Technical Information (Device Only)

Minimal technical data used for app functionality:

Device model - For compatibility and proper sensor access
OS version - For feature compatibility
App version - For update management
Sensor capabilities - To determine available heart rate monitoring features

Important: This technical data NEVER leaves your device and is NOT transmitted anywhere.

Information We DO NOT Collect

We want to be absolutely clear about what we DO NOT collect:

❌ NO Email addresses - No account creation required
❌ NO Usernames or passwords - No authentication system
❌ NO Personal identification - No names, phone numbers, or contact info
❌ NO Location data - We never track your location during workouts
❌ NO Camera or photos - No access to your media
❌ NO Contacts - We don't access your contacts
❌ NO Microphone audio - We don't record audio
❌ NO Health app integration - We don't sync with Apple Health or Google Fit
❌ NO Browsing history - We don't track web activity
❌ NO Third-party tracking - No analytics, trackers, or SDKs active
❌ NO Social media data - We don't connect to social accounts
❌ NO Cloud sync - Your data stays on YOUR device only
❌ NO Cookies - No web tracking or cookies

How We Use Your Data

✅ LOCAL-ONLY USAGE

All your data stays on YOUR device and is NEVER sent to any server.

We use your information exclusively for:

App Functionality - Display heart rate readings, calculate zones, show trends
Personalization - Apply your profile settings for accurate zone calculations
Progress Tracking - Show your heart rate history and improvements
Offline Operation - App works 100% without internet connection
Data Persistence - Save your measurements locally so they're available when you reopen the app

We DO NOT Use Your Data For

❌ NO Server sync - Data never leaves your device
❌ NO Advertising - No ads or marketing
❌ NO Third-party sharing - No data brokers, no selling
❌ NO Cross-device sync - Each device operates independently
❌ NO Cloud backup - You control your own data
❌ NO Profiling or tracking - No behavioral analysis
❌ NO AI training - Your data is not used for machine learning
❌ NO Analytics - No usage tracking (analytics framework exists but disabled)

Data Storage and Security

🔒 LOCAL STORAGE ONLY

Your data is stored securely on YOUR device:

Local-only storage: All data stored in your device's secure local storage
No cloud transmission: Data NEVER sent to external servers
No internet required: App fully functional offline
Device encryption: Your device's built-in encryption protects your data
No external access: Only you can access your heart rate data
Complete privacy: No one else can see your measurements, not even us

Security Measures

We implement privacy-first practices:

No user accounts: No authentication means no password vulnerabilities
No data transmission: Zero network requests containing your personal data
Offline-first architecture: App designed to work without internet
Local data control: You own and control 100% of your data
Regular app updates: We keep the app secure and up to date
Open source practices: Following industry-standard mobile development practices

Your Privacy Rights

✅ COMPLETE DATA CONTROL

Since ALL your data is stored locally on your device, YOU have complete control:

Right to Access: All your data is already visible in the app
Right to Rectification: Edit any measurement, note, or setting directly in the app
Right to Erasure: Delete measurements, clear history, or uninstall the app to remove all data
Right to Data Portability: Export your data using the app's export feature (local file)
Right to Object: No data processing to object to - everything is local
Complete Control: Uninstalling the app removes all data from your device

Data Export and Deletion

You can manage your data at any time:

Export Data: Use the in-app export feature to save your heart rate data as a local file
Delete Individual Measurements: Tap any measurement to edit or delete it
Clear All Data: Use the "Clear All Data" option in Settings (requires confirmation)
Complete Removal: Uninstalling the app removes all heart rate data from your device

No account deletion needed - there are no accounts to delete!

Support and Questions

For app support or questions, email us at umituz9999@gmail.com with:

Subject line: "Heart Rate Monitor Support"
Your question: Describe your issue or question
Device info (optional): Device model and OS version if relevant

We will respond to support requests within 3-5 business days.

Third-Party Services

✅ ZERO THIRD-PARTY DATA SHARING

Heart Rate Monitor does NOT use any third-party services that collect your data:

❌ NO Backend servers - No Supabase, Firebase, or cloud services
❌ NO Analytics - No Google Analytics, Amplitude, Mixpanel, or tracking
❌ NO Advertising networks - No Google Ads, Facebook Ads, AdMob
❌ NO Tracking pixels - No Facebook Pixel, Google Tag Manager
❌ NO Social media integrations - No Facebook, Twitter, Instagram SDKs
❌ NO Marketing automation - No email marketing or CRM tools
❌ NO Crash reporting - No Sentry, Crashlytics, Bugsnag
❌ NO Authentication services - No Google Sign-In, Apple Sign-In, OAuth

Technical Dependencies (No Data Collection):

The app uses standard mobile libraries for local functionality only:

Device Storage APIs - Local device storage (no cloud sync)
Sensor APIs - Heart rate sensor access (local processing only)
Device Info APIs - Device model info (for compatibility, not tracking)

None of these libraries send data to external servers.

Children's Privacy (COPPA Compliance)

Heart Rate Monitor is not intended for children under 13 years of age.

We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal data, please contact us at umituz9999@gmail.com, and we will delete the information immediately.

International Users and GDPR Compliance

For European Union (EU) Users

If you are in the EU, we comply with the General Data Protection Regulation (GDPR):

Legal basis for processing: NOT APPLICABLE - No personal data collected or processed
Data retention: All data stored locally on your device only
Data transfers: NO cross-border data transfers - everything stays on your device
Your rights: Full control of your local data (see "Your Privacy Rights" above)
Contact: umituz9999@gmail.com for questions

GDPR Compliance Statement:

Since Heart Rate Monitor operates entirely offline with NO accounts, NO servers, and NO personal data collection, most GDPR requirements are NOT APPLICABLE. Your data never leaves your device, so there are no data processors, controllers, or international transfers.

California Privacy Rights (CCPA)

For California Residents

If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA):

Categories of Data We Collect:

❌ NO Personal identifiers - No email, name, phone, or addresses collected
✅ User-generated content - Heart rate measurements, notes, activity context (STORED LOCALLY ONLY)
✅ App preferences - Profile settings, notification preferences (STORED LOCALLY ONLY)
✅ Device info - Device model, OS version (LOCAL ONLY, not transmitted)

Your Rights:

Right to Know: All data is visible in the app - nothing is hidden
Right to Delete: Delete measurements or uninstall the app to remove all data
Right to Opt-Out of Sale: We do NOT sell your data - there's nothing to opt out of
Right to Non-Discrimination: N/A - no accounts or data processing

We do NOT sell, share, or transfer your personal information to anyone.

CCPA Compliance Statement:

Since NO personal data leaves your device and we have NO user accounts, traditional CCPA requests are not applicable. You have complete control over your local data.

Cookies and Tracking Technologies

✅ ZERO COOKIES AND TRACKING

We do NOT use cookies or any tracking technologies:

❌ NO Cookies - No browser cookies, session cookies, or persistent cookies
❌ NO Authentication tokens - No login sessions or JWT tokens
❌ NO Tracking pixels - No Facebook Pixel, Google Tag Manager, or analytics pixels
❌ NO Local storage tracking - Local storage used only for YOUR heart rate data, not tracking
❌ NO Fingerprinting - No device fingerprinting or user identification
❌ NO Cross-site tracking - App doesn't access web browsers or websites

Mobile App Note:

As a mobile app, Heart Rate Monitor doesn't use web cookies. All local data is stored in secure device storage for app functionality only, not for tracking or advertising.

Changes to This Privacy Policy

How We Update

We may update this Privacy Policy from time to time. Changes will be effective when we post the revised policy.

How We Notify You

Major changes: We will update the "Last Updated" date and post a notice on our website
Minor changes: We will update the "Last Updated" date at the top of this policy
Your responsibility: Check this policy periodically for updates (we have no way to contact you since we don't collect emails)

What Constitutes a Major Change

New data collection practices
Changes to third-party services
Changes to data usage purposes
Changes to your rights

Data Breach Protection

✅ ZERO BREACH RISK - NO SERVER TO BREACH

Heart Rate Monitor has NO risk of data breaches because:

❌ NO servers - Your data never leaves your device, so there's nothing for hackers to breach
❌ NO user accounts - No email addresses, passwords, or credentials to steal
❌ NO cloud storage - No databases to hack or leak
❌ NO network transmission - Data never sent over the internet

Your data security depends entirely on YOUR device security:

✅ Use a strong device passcode/password
✅ Enable device encryption (iOS/Android do this by default)
✅ Keep your device's operating system updated
✅ Don't share your device with untrusted individuals

We cannot be breached because we don't have your data - YOU do.

Your Data Control

✅ COMPLETE LOCAL CONTROL

Since Heart Rate Monitor operates 100% offline with NO accounts or servers, you have complete control:

Update data: Edit any measurement, note, or setting directly in the app
Delete data: Remove individual measurements, clear history, or uninstall the app to delete everything
Export data: Use the app's built-in export feature to save your data as a local file
Backup data: Use your device's backup system (iCloud, Google Drive) or the app's export feature

Data Retention

Your device only: All data stays on YOUR device until YOU delete it
No server retention: We don't have servers, so there's nothing to retain on our end
Full control: Uninstalling the app removes all heart rate data from your device
No backups on our servers: We don't create or store any backups - your device backups are managed by you

Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or your data:

Email: umituz9999@gmail.com Subject line: "Privacy - Heart Rate Monitor" Website: https://umituz.com/projects/health/heart-rate-monitor

We typically respond within 5 business days and will respond to all legal requests within 30 days (or sooner as required by law).

Additional Disclaimers

No Medical Use

Heart Rate Monitor is not designed or intended for:

❌ Medical diagnosis
❌ Treatment of medical conditions
❌ Prevention of disease
❌ Medical-grade health monitoring
❌ Clinical or therapeutic purposes

Always consult a qualified healthcare professional for medical advice.

Wellness and Fitness Only

This app is designed for:

✅ Personal fitness monitoring
✅ Workout heart rate tracking
✅ Wellness awareness
✅ Personal health insights
✅ Fitness goal tracking

Legal Compliance

This privacy policy complies with:

GDPR (General Data Protection Regulation - EU)
CCPA (California Consumer Privacy Act - USA)
Apple App Store privacy requirements
US Federal Trade Commission (FTC) guidelines
Children's Online Privacy Protection Act (COPPA)

Transparency Commitment

We believe in radical transparency about data privacy:

✅ We collect ZERO personal data - No accounts, no emails, no tracking
✅ We never access your data - All data stays on YOUR device only
✅ We never sell your data - We don't have your data to sell
✅ We never use third-party tracking - No analytics, no ads, no tracking
✅ You have 100% control - All data on your device, under your control
✅ No servers, no breaches - Your data can't be hacked because we don't have it
✅ Complete offline operation - Works without internet connection

All data stays on your device.

Effective Date and Version History

Current Version: 1.0 Effective Date: December 9, 2025 Last Updated: December 9, 2025

Version History:

v1.0 (Dec 9, 2025) - Initial privacy policy

This privacy policy was last reviewed and updated on December 9, 2025.