Privacy Policy

# Privacy Policy for Cellular Signal Mapper

Last Updated: February 2024

## Introduction
This privacy policy explains how Cellular Signal Mapper ("we", "our", or "app") collects, uses, and protects your data. We are committed to protecting your privacy and being transparent about our data practices.

## Information We Collect

### 1. Location Data
- GPS coordinates
- Cell tower location information
- Frequency of location updates is configurable by user

### 2. Network Information
- Cellular signal strength measurements (RSRP, RSRQ, SINR, CQI)
- Network operator information
- Cell tower information (Cell ID, eNodeB ID, TAC, PCI, EARFCN)
- Network type and status

### 3. Device Information
- Basic device information for functionality
- Android version
- Network capabilities

## How We Use Your Information

### Local Storage
- All collected data is stored locally on your device
- No data is automatically transmitted to external servers
- Data remains under your control

### Export Functionality
- You can manually export data to CSV files
- Exported data sharing is controlled by you
- No automatic data sharing with third parties

## Data Protection

### Storage Security
- Data is stored in a local SQLite database
- Access is restricted to the app only
- No cloud backup unless initiated by user

### Data Retention
- Data is retained until manually deleted by user
- Options provided to clear all data or specific date ranges
- Uninstalling the app removes all collected data

## Permissions Required

### Location Permissions
- ACCESS_FINE_LOCATION: Required for precise GPS coordinates
- ACCESS_COARSE_LOCATION: Required for network-based location

### Phone State Permissions
- READ_PHONE_STATE: Required to access cellular signal information
- ACCESS_NETWORK_STATE: Required to monitor network changes

### Storage Permissions
- WRITE_EXTERNAL_STORAGE: Required for exporting data (Android 9 and below)

## Third-Party Services

### Google Maps
- Used for visualization of signal data
- Subject to Google's Privacy Policy
- No personal data is shared with Google except as required for map functionality

## Your Rights
You have the right to:
- Control data collection through app settings
- Export your data
- Delete your data
- Uninstall the app and remove all associated data

## Children's Privacy
Our app does not knowingly collect information from children under 13. The app is intended for technical and professional use.

## Changes to Privacy Policy
We may update this privacy policy occasionally. Significant changes will be notified through app updates.

## Contact
For questions about this privacy policy or the app's data practices, please contact:
support@appwiztech.com

## Consent
By using Cellular Signal Mapper, you consent to this privacy policy and our data practices as described above.