Privacy Policy for LungeFit
Last updated: September 9, 2025
1. Introduction
LungeFit ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our service across iOS, Android, and Web platforms.
2. Information We Collect
Account Information
- Name
- Email address
- Age
- Profile picture (optional)
Fitness & Health Information
- Current fitness level
- Exercise goals
- Equipment availability
- Workout history and completion data
- Progress tracking metrics
- Exercise feedback and adjustments
- User notes and preferences
Payment Information
- Stripe customer ID
- Subscription status
- Billing history (stored by Stripe)
- Note: We do NOT store credit card numbers or payment details directly
Usage Data
- App usage statistics
- Feature interactions
- AI assistant queries
- Performance data
- Error reports
- Device information (type, OS version, app version)
3. How We Use Your Information
Primary Uses
- Create personalized knee strengthening programs
- Adapt workouts based on your progress and feedback
- Provide AI-powered exercise guidance
- Track and display your progress
- Process payments and manage subscriptions
- Sync your data across devices
- Send important service updates
- Respond to support requests
- Improve our algorithms and service
Data Processing
- Workout algorithms use your fitness data locally to generate programs
- AI assistant processes exercise-related queries to provide guidance
- Anonymous usage data helps improve our service
- Progress data is analyzed to show your improvements
4. Data Storage and Security
Storage
- Your data is stored securely in Firebase (Google Cloud Platform)
- Data centers are located in the United States
- All data is encrypted in transit using TLS/SSL
- Database access requires authentication
Security Measures
- Industry-standard encryption protocols
- Secure authentication via Firebase Auth
- Regular security updates and patches
- Limited access controls for our team
- Regular backup procedures
5. Third-Party Services
We work with trusted third parties to provide our service:
Essential Service Providers
- Firebase (Google): Authentication, database, and cloud functions
- Stripe: Payment processing and subscription management
- YouTube API: Exercise demonstration videos
- OpenAI: AI assistant functionality
Important: Each third-party service has its own privacy policy. We encourage you to review them:
- Stripe: stripe.com/privacy
- Firebase: firebase.google.com/support/privacy
- OpenAI: openai.com/privacy
6. Your Rights and Choices
You Can:
- Access: View all your personal data through the app
- Update: Edit your profile and preferences anytime
- Delete: Request account deletion via app settings or email
- Export: Request a copy of your data
- Opt-out: Unsubscribe from marketing emails
- Manage subscription: Cancel or modify at lungefit.com/account
Data Deletion
To delete your account and all associated data:
- In-app: Settings → Account → Delete Account
- Email: support@lungefit.com with deletion request
- Data is permanently deleted within 30 days
- Some records may be retained for legal/tax purposes
7. Data Retention
- Active account data: Retained while account is active
- Deleted accounts: Removed within 30 days
- Subscription records: Retained for tax/legal compliance (7 years)
- Anonymous analytics: May be retained indefinitely
8. Children's Privacy
- LungeFit is not intended for users under 13 years old
- We do not knowingly collect data from children under 13
- Users under 18 should use the app with parental guidance
- If we discover data from a child under 13, we will delete it immediately
9. International Data Transfers
Your data may be transferred to and processed in the United States. By using LungeFit, you consent to this transfer and processing.
10. California Privacy Rights (CCPA)
California residents have additional rights under the CCPA:
- Right to know what personal information is collected
- Right to delete personal information
- Right to opt-out of the sale of personal information (we do not sell your data)
- Right to non-discrimination for exercising privacy rights
11. European Privacy Rights (GDPR)
If you're in the European Economic Area, you have rights under GDPR including:
- Right to access, correct, or delete your data
- Right to data portability
- Right to restrict or object to processing
- Right to withdraw consent
- Right to lodge a complaint with supervisory authorities
12. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes via:
- In-app notification
- Email to your registered address
- Update notice on our website
Continued use of the service after changes indicates acceptance of the updated policy.
13. Contact Information
If you have questions about this Privacy Policy or your data:
- Email: support@lungefit.com
- Website: lungefit.com
14. Legal Basis for Processing
We process your data based on:
- Contract: To provide the service you've subscribed to
- Consent: For optional features and marketing
- Legitimate interests: To improve our service and ensure security
- Legal obligations: To comply with applicable laws
15. Consent
By using LungeFit, you consent to this Privacy Policy. If you do not agree with this policy, please do not use our service.