# Privacy Policy for Физика AI (Physics AI)
**Effective Date:** February 11, 2026
**Last Updated:** February 11, 2026
## Introduction
This Privacy Policy describes how Физика AI ("we", "our", or "the app") collects, uses, and protects your information when you use our mobile application available on Google Play.
## Information We Collect
### 1. Account Information
When you register for an account, we collect:
- Email address
- Name
- User role (student or teacher)
- Class ID (for students)
- Password (stored securely using bcrypt hashing)
### 2. Usage Data
We collect information about your interaction with the app:
- Learning progress (completed lessons, tasks, and tests)
- Test scores and performance metrics
- Study time and activity logs
- AI chat history for educational purposes
### 3. Camera Access
The app requests camera permission for the following purposes:
- **QR Code Scanning**: To allow students to connect with their teacher's class by scanning a QR code displayed by the teacher
- Camera access is only used when you explicitly activate the QR code scanner feature
- We do not store, transmit, or process any photos or videos captured by your camera
## How We Use Your Information
We use the collected information to:
- Provide personalized physics education and AI-powered tutoring
- Track your learning progress and generate performance reports
- Enable teacher-student connections through QR code pairing
- Generate AI-based educational content, tests, and explanations
- Improve app functionality and user experience
## Data Storage and Security
- All user data is stored securely in MongoDB Atlas cloud database
- Passwords are hashed using industry-standard bcrypt encryption
- API communications are transmitted over HTTPS
- Authentication is handled via secure JWT tokens
## Third-Party Services
The app uses the following third-party services:
- **MongoDB Atlas**: Cloud database for secure data storage
- **GitHub Models API**: AI-powered educational content generation
- **Groq API**: Alternative AI provider for enhanced learning features
- **DigitalOcean**: Cloud hosting infrastructure
These services have their own privacy policies and we recommend reviewing them.
## Permissions
### Camera Permission
- **Purpose**: QR code scanning for teacher-student pairing only
- **Usage**: Only activated when you use the "Connect with Teacher" feature
- **Data Retention**: No camera images are stored or transmitted
## Children's Privacy
This app may be used by students under the age of 13 as an educational tool. We do not knowingly collect personal information from children without parental consent. If you are a parent or guardian and believe your child has provided personal information, please contact us.
## Your Rights
You have the right to:
- Access your personal data stored in the app
- Update or correct your account information
- Delete your account and associated data
- Opt out of AI chat features
- Revoke camera permissions at any time through device settings
## Data Retention
We retain your data for as long as your account is active. If you delete your account, your data will be permanently removed from our systems within 30 days.
## Changes to This Policy
We may update this Privacy Policy from time to time. We will notify users of any material changes by updating the "Last Updated" date at the top of this policy.
## Contact Us
If you have any questions or concerns about this Privacy Policy, please contact us at:
**GitHub:** https://github.com/dabikos/Physics-App
## Consent
By using Физика AI, you consent to this Privacy Policy and agree to its terms.