# 📋 Privacy Policy Template - Math Learning Assistant APP

## Privacy Policy

**Effective Date**: June 6, 2025
**Last Updated**: June 6, 2025

### 1. Introduction

Thank you for choosing the "Math Learning Assistant" app (hereinafter referred to as "our app" or "this app"). This privacy policy explains how we collect, use, store, and protect your information.

We understand the importance of protecting user privacy and strictly comply with relevant privacy laws and regulations.

### 2. Information Collection

#### 2.1 Types of Information We Collect

**Learning Data**:
- Practice scores and answer records
- Learning progress and statistics
- App usage duration
- Incorrect answer records and review status

**Device Information**:
- Device model and operating system version
- App version information
- Device unique identifiers (for subscription management)

**Subscription Information**:
- Subscription status and validity period
- Purchase records (processed through Apple App Store)

#### 2.2 Information We Do Not Collect

We commit not to collect the following information:
- Personal identification information (name, address, phone number, etc.)
- Photos, videos, or audio recordings
- Location information
- Contacts or contact information
- Social media account information

### 3. How We Use Information

We use the collected information for:

**Service Provision**:
- Personalized learning experience
- Tracking learning progress
- Generating learning reports and statistical analysis

**App Improvement**:
- Optimizing app performance
- Fixing bugs and technical issues
- Developing new features

**Subscription Management**:
- Verifying subscription status
- Processing purchases and refunds

### 4. Information Storage and Security

#### 4.1 Local Storage Priority

All learning data and personal settings are stored locally on your device and are not uploaded to our servers. This ensures:
- Complete data control
- Offline functionality availability
- Maximum privacy protection

#### 4.2 Data Security Measures

We implement the following measures to protect your information:
- Encrypted data storage
- Secure data transmission protocols
- Regular security reviews
- Access control restrictions

#### 4.3 Data Retention

- Learning data: Stored on your device until you delete the app
- Subscription information: Retained according to Apple App Store policies
- Temporary data: Regularly cleared unnecessary cache data

### 5. Third-Party Services

We use the following third-party services:

#### 5.1 RevenueCat (Subscription Management)
- Purpose: Managing in-app purchases and subscriptions
- Information collected: Device identifiers, purchase records
- Privacy Policy: https://www.revenuecat.com/privacy

#### 5.2 Apple App Store
- Purpose: App distribution and payment processing
- Information collected: Purchase information, device information
- Privacy Policy: https://www.apple.com/privacy/

### 6. User Privacy Protection

#### 6.1 Data Protection
We strictly comply with privacy protection regulations:

**User Information Protection**:
- No collection of personal identification information
- All data stored locally
- No third-party advertisements
- No social features
- Users have complete control over app usage

#### 6.2 User Rights
Users enjoy the following rights:
- View their own learning data
- Delete all learning records
- Control app features and settings
- Stop using the app at any time

#### 6.3 Usage Consent
Using this app indicates user consent to:
- This privacy policy terms
- Using the app under supervision (if applicable)
- Understanding data collection and usage methods

### 7. International Users

Our app provides services in multiple countries and regions worldwide. For users in different regions, we comply with local privacy laws and regulations, including but not limited to:

- EU General Data Protection Regulation (GDPR)
- Canada Personal Information Protection and Electronic Documents Act (PIPEDA)
- Australia Privacy Act

### 8. Your Rights

According to applicable privacy laws, you enjoy the following rights:

**Right of Access**: View information we collect
**Right of Rectification**: Correct inaccurate information
**Right of Erasure**: Request deletion of your information
**Right of Restriction**: Restrict information processing
**Right of Data Portability**: Obtain a copy of your data

### 9. Privacy Policy Updates

We may periodically update this privacy policy. Significant changes will be notified through:
- In-app notifications
- Updated app descriptions
- Publishing on our website

Your continued use of the app indicates agreement to the updated privacy policy.

### 10. Contact Us

If you have any questions about this privacy policy or need to exercise your rights, please contact us through:

**Email**: lpjustdoit@163.com
**Website**: https://github.com/51yourdream

We will respond to your inquiry within 30 days.

### 11. Data Deletion Instructions

**How to delete app data**:
1. Delete the app: All local data will be permanently deleted

**Impact after deletion**:
- All learning records will be lost
- Custom settings will revert to defaults
- Subscription status is not affected (needs to be managed through App Store)

### 12. Data Breach Response

Although we use a local storage priority strategy, if a data breach occurs, we will:
- Immediately investigate and handle
- Notify relevant regulatory authorities within 72 hours
- Promptly notify affected users
- Take measures to prevent further breaches

### 13. Cross-Border Data Transfer

Except for minimal data required for subscription verification, we do not conduct cross-border data transfers. Any necessary data transfers will:
- Use appropriate security measures
- Comply with target country legal requirements
- Obtain necessary legal basis

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**Multilingual versions of this privacy policy**:
- [简体中文版本](https://raw.githubusercontent.com/51yourdream/privacy/refs/heads/main/mathPractice/zh/privacy.md)
- [English Version](https://raw.githubusercontent.com/51yourdream/privacy/refs/heads/main/mathPractice/en/privacy.md)
- [繁體中文版本](https://raw.githubusercontent.com/51yourdream/privacy/refs/heads/main/mathPractice/zh-tw/privacy.md)
- [日本語版](https://raw.githubusercontent.com/51yourdream/privacy/refs/heads/main/mathPractice/ja/privacy.md)
- [한국어 버전](https://raw.githubusercontent.com/51yourdream/privacy/refs/heads/main/mathPractice/ko/privacy.md)

In case of differences between language versions, the terms most favorable to users shall prevail.

**Last Updated**: June 6, 2025