# Privacy Policy for Altimeter Mountain GPS Weather
**Last Updated:** June 16, 2025
**Effective Date:** June 16, 2025
## 1. Introduction
Altimeter Mountain GPS Weather ("the App") respects your privacy and is committed to protecting your personal information. This Privacy Policy explains how we handle data when you use our application.
**Core Commitments:**
- We do NOT store your location history
- We do NOT share personal data with third parties
- We collect only essential data for core functionality
- You retain full control over permissions
## 2. Information Collection and Permissions
### 2.1 Location Information
- **Precise Location (ACCESS_FINE_LOCATION)**: GPS coordinates for altitude calculation
- **Approximate Location (ACCESS_COARSE_LOCATION)**: Network-based positioning when GPS unavailable
- **Background Location (ACCESS_BACKGROUND_LOCATION)**: Continuous updates during outdoor activities
- **Location Extras (ACCESS_LOCATION_EXTRA_COMMANDS)**: Accelerates GPS satellite acquisition
### 2.2 Device and Network Data
- **Device Info (READ_PHONE_STATE)**: Anonymous device ID for diagnostics
- **Network State (ACCESS_NETWORK_STATE)**: Checks internet connectivity
- **Wi-Fi State (ACCESS_WIFI_STATE/CHANGE_WIFI_STATE)**: Optimizes location services
- **External Storage (READ/WRITE_EXTERNAL_STORAGE)**: Caches weather icons only
### 2.3 Additional Permissions
- **Camera and Flashlight (CAMERA)**: Optional flashlight feature
- **System Settings (WRITE_SETTINGS)**: Screen brightness adjustment
### 2.4 Weather Data
- Real-time conditions from Visual Crossing Weather API
- Weather icons based on your current location
## 3. Permission-Function Mapping
| Permission | Purpose | Required | User Control |
|------------|---------|----------|--------------|
| `ACCESS_FINE_LOCATION` | Precise altitude calculation | Core Feature | Revocable anytime |
| `ACCESS_BACKGROUND_LOCATION` | Continuous tracking during hikes | Background Service | Disable in settings |
| `INTERNET` | Weather data retrieval | Essential | Required for weather |
| `ACCESS_WIFI_STATE` | Network positioning optimization | Recommended | Can be denied |
| `READ_PHONE_STATE` | Crash diagnostics | Optional | Deniable without penalty |
| `WRITE_EXTERNAL_STORAGE` | Weather icon caching | Performance | Deniable (slower loading) |
| `CAMERA` | Flashlight functionality | Optional Feature | Separate permission |
## 4. How We Use Your Information
We use collected data exclusively for:
- Calculating and displaying real-time altitude
- Providing accurate GPS positioning
- Showing location-based weather conditions
- Maintaining background services during outdoor activities
**Critical Clarifications:**
- 📍 Location data is processed in device memory only
- ☁️ Weather icons are cached temporarily (max 7 days)
- 🔒 No personal data is transmitted to our servers
- ⚠️ Denying location permissions disables core features
## 5. Data Security Measures
We implement industry-standard protections:
- **Encryption**: TLS 1.3 for all network communications
- **Memory Processing**: Location data never written to storage
- **Regular Audits**: Monthly security vulnerability checks
- **Permission Minimization**: Only essential permissions requested
## 6. Data Retention Policy
We adhere to strict data retention principles:
- 🗑️ Location data: Deleted immediately when app closes
- 🌦️ Weather data: Removed after 24 hours
- 📝 Crash logs: Automatically deleted after 7 days
- 🔄 No historical location records are maintained
## 7. Third-Party Services
The App uses only:
- **Visual Crossing Weather API**: Receives location coordinates only
- **Google Play Services**: For location processing on Android
- No analytics or advertising SDKs are included
## 8. Background Location Usage
Background access enables:
- Continuous altitude tracking during hikes
- Weather updates while using other apps
- Distance traveled calculations
**Transparency Measures:**
- Explicit consent dialog before enabling
- Persistent notification during background use
- Easy revocation via device settings
## 9. Your Rights
Under global privacy regulations:
- **Access**: Request explanation of data processing
- **Deletion**: Ask about existing data (we store none)
- **Withdrawal**: Disable permissions anytime
- **Portability**: Not applicable (no stored data)
## 10. Children's Privacy
The App is not intended for children under 13:
- No knowingly collected data from children
- Parents may contact us at primelime521@gmail.com
- Accounts and data collection features are absent
## 11. Policy Updates
We may revise this policy:
- Significant changes trigger in-app notifications
- Continued use implies acceptance of new terms
- Archived versions available upon request
## 12. Contact Us
For privacy inquiries or concerns:
**Privacy Officer**
Email: primelime521@gmail.com
Response Time: Within 72 hours
*By using Altimeter Mountain GPS Weather, you acknowledge that you have read and understood this Privacy Policy.*