# Locus GTD Privacy Policy
**Effective Date: January 1, 2025**
**Last Updated: August 3, 2025**
## 1. Introduction
Thank you for using Locus GTD ("the App"). This Privacy Policy explains how we collect, use, store, and protect your personal information. We are committed to protecting your privacy and ensuring the security of your data.
## 2. App Overview
Locus GTD is a task management application based on the Getting Things Done (GTD) methodology, designed to help users efficiently manage tasks, projects, and schedules.
## 3. Information We Collect
### 3.1 Automatically Collected Information
- **Device Information**: App version, iOS version, device model, and other technical information
- **Usage Data**: Anonymous data about app usage statistics and feature usage frequency
### 3.2 Information You Provide
- **Task Data**: Tasks, projects, tags, and other content you create
- **Schedule Information**: Reminder times, repeat rules, and other scheduling data you set
- **Attachments**: Photos, files, and other content you add to tasks
### 3.3 Location Information (Optional)
- When you choose to add location tags to tasks, we request access to your current location
- Location data is used solely for task geo-tagging functionality
- You can disable location permissions in your device settings at any time
### 3.4 Camera and Photos (Optional)
- When you choose to add photo attachments to tasks, we request camera and photo library permissions
- Photo data is used solely for task attachment functionality
- You can manage these permissions in your device settings at any time
## 4. How We Use Your Information
### 4.1 Core Functionality
- Provide task management, project organization, reminder notifications, and other core features
- Sync your data across multiple devices
- Personalize your user experience
### 4.2 Service Improvement
- Analyze app usage to improve features and performance
- Fix technical issues and bugs
- Develop new features to enhance user experience
### 4.3 Notification Services
- Send task reminder notifications you have set
- Push important app update information
## 5. Data Storage and Synchronization
### 5.1 Local Storage
- Your primary data is stored locally on your device using the SwiftData framework
- Local data is encrypted for protection
### 5.2 Cloud Synchronization
- We use Apple CloudKit service to synchronize your data
- CloudKit is protected by Apple's privacy policy
- Synchronization is end-to-end encrypted; we cannot access your specific data content
### 5.3 Data Backup
- Your data is automatically backed up through iCloud
- Backup data is protected by Apple's privacy policy
## 6. Third-Party Services
### 6.1 RevenueCat (Subscription Management)
- Used for processing in-app purchases and subscription management
- Collects purchase records and subscription status information
- Protected by RevenueCat's privacy policy
### 6.2 Apple Services
- **CloudKit**: Data synchronization service
- **App Store**: App distribution and purchases
- **Apple Push Notification Service**: Message push notifications
## 7. Data Sharing
We do not sell, trade, or rent your personal information to third parties. We may share information in the following limited circumstances:
- **Legal Requirements**: Compliance with legal obligations or court orders
- **Security Protection**: Prevention of fraud or protection of our rights
- **Business Transfer**: In case of merger or acquisition (users will be notified)
## 8. Data Security
We implement the following measures to protect your data:
- **Encrypted Storage**: All local data is encrypted
- **Secure Transmission**: Data transmission uses HTTPS encryption
- **Access Control**: Strict limitation of data access permissions
- **Regular Updates**: Timely fixes for security vulnerabilities
## 9. Your Rights and Choices
### 9.1 Access and Control
- You can view, edit, or delete your data at any time
- You can export your data
- You can turn off cloud synchronization features
### 9.2 Permission Management
- You can manage app permissions in iOS Settings
- Includes location, camera, notification, and other permissions
- Disabling permissions may affect the use of related features
### 9.3 Data Deletion
- You can delete the app to remove all local data
- Cloud data needs to be deleted separately in iCloud settings
- We will delete your account-related data within 30 days
## 10. Children's Privacy
This app is not designed for children under 13 years old. We do not knowingly collect personal information from children under 13. If we discover that we have collected personal information from a child, we will delete it immediately.
## 11. International Data Transfers
Your data may be transferred to servers outside your country/region for processing. We ensure that such transfers comply with applicable data protection laws.
## 12. Data Retention
- **Active User Data**: Retained while you use the app
- **Deleted Data**: Completely purged within 30 days of deletion
- **Anonymous Statistical Data**: May be retained indefinitely for service improvement
## 13. Privacy Policy Updates
We may update this Privacy Policy from time to time. Significant changes will be communicated through:
- In-app notifications
- App Store description updates
- Email notifications (if applicable)
## 14. Contact Us
If you have any questions or suggestions about this Privacy Policy, please contact us through:
- **Email**: [Your Contact Email]
- **App Feedback**: Through the feedback feature in the app's settings page
- **App Store Reviews**: Leave comments on the App Store
## 15. Governing Law
This Privacy Policy is governed by the laws of the People's Republic of China. In case of disputes, both parties should resolve them through friendly consultation; if consultation fails, litigation may be filed with a court of competent jurisdiction.
## 16. Consent
By using this app, you indicate that you have read, understood, and agree to all terms of this Privacy Policy. If you do not agree with any part of this policy, please stop using the app.
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**The Chinese version of this Privacy Policy is for reference only. In case of any discrepancy between the Chinese and English versions, the Chinese version shall prevail.**