Privacy Policy for Sys-Monitor

Introduction

This Privacy Policy describes how Sys-Monitor ("we", "our", or "the app") collects, uses, and protects information when you use our Android application. We are committed to protecting your privacy and ensuring transparency about our data practices.

By using Sys-Monitor, you agree to the collection and use of information in accordance with this policy.

Information We Collect

1. System Metrics (Collected Locally)

Sys-Monitor collects the following device information solely for display within the app:

Device Information

• Device manufacturer, model, and brand
• Android version and API level
• Build ID and kernel version
• Screen resolution and DPI
• Processor model and core count

System Performance Metrics

• CPU: Usage percentage and temperature
• Memory (RAM): Total, used, and available memory
• Storage: Internal and external storage usage
• Battery: Level, health, temperature, voltage, charging status
• Network: WiFi (SSID, signal strength, speed, IP address), Cellular (operator, network type)

Application Data

• Installed applications list
• App memory usage
• App battery consumption
• App foreground usage time
• App network data usage
• App last used timestamp

2. Network Information

The app accesses:

• WiFi Information: Network name (SSID), signal strength, link speed, frequency band, local IP address, MAC address, nearby network details for spectrum analysis
• Cellular Information: Network operator name, network type (2G/3G/4G/5G), signal strength
• Public IP Address: Fetched from ipify.org API (optional feature, user-initiated only)

3. Bluetooth Information

The app scans for:

• Bluetooth Devices: Device names, MAC addresses, signal strength (RSSI), device types, paired status
• Bluetooth Spectrum: Nearby Bluetooth Classic and BLE devices for analysis and troubleshooting
• Note: Scanning only discovers devices - it does NOT connect to or access any data from scanned devices

4. Usage Statistics

With your explicit permission (Usage Access permission), the app accesses:

• Application usage statistics (time spent in apps)
• Process information (running apps and memory usage)
• App activity timestamps

5. Advertising Data (Google AdMob)

Sys-Monitor displays advertisements through Google AdMob. AdMob may collect and process the following information:

Information Collected by AdMob

• Device Identifiers: Advertising ID (AAID), Android ID
• Device Information: Device model, OS version, screen size
• Ad Interaction Data: Impressions, clicks, video views
• Location Data: Approximate location (based on IP address) for region-appropriate ads
• App Information: App package name, version
• Performance Data: Ad load times, errors

For more information about how Google uses data from apps that use their services, please review:

• Google Privacy Policy: https://policies.google.com/privacy
• Google AdMob Data Usage: https://support.google.com/admob/answer/6128543
• How Google Uses Information: https://policies.google.com/technologies/partner-sites

How We Use Information

System Metrics

All system metrics collected are used exclusively on your device for:

1. System Monitoring: Display real-time system health, performance metrics, and resource usage
2. Performance Optimization: Provide recommendations to improve device performance
3. Battery Analysis: Identify battery-draining applications and provide battery-saving tips
4. Network Diagnostics: Analyze network quality and connection speed
5. WiFi Spectrum Analysis: Scan nearby WiFi networks to identify optimal channels and signal strength
6. Bluetooth Spectrum Analysis: Discover nearby Bluetooth devices for troubleshooting and device location
7. Historical Analytics: Store metrics over time to show trends and patterns
8. Data Export: Allow you to export your system data in CSV, JSON, or PDF formats

Advertising

Information collected by Google AdMob is used to:

• Display relevant advertisements to you
• Measure ad performance and effectiveness
• Prevent fraud and abuse
• Improve ad quality and user experience

Data Storage

Local Storage (System Metrics)

All system monitoring data collected by Sys-Monitor is stored locally on your device. We do NOT:

• Upload your system data to external servers
• Share your system metrics with third parties
• Transmit your device information over the internet
• Store your system data in the cloud

Storage Locations

• Database: Local Room database in app's private directory
  • system_snapshots table: Historical system metrics
  • app_usage_records table: Application usage statistics
• Preferences: Encrypted DataStore for user settings
• Exported Files: Saved to Documents/SystemMonitorExports/ folder

Data Retention

• Historical Data: Stored for 30 days by default (configurable: 1-365 days)
• Preferences: Stored until you reset settings or uninstall the app
• Exported Files: Stored until you manually delete them

Third-Party Storage (AdMob)

Advertising data collected by Google AdMob is stored and processed by Google according to their privacy practices and data retention policies. We do not have control over or access to this data.

Data Sharing

We Do NOT Share Your System Data

Sys-Monitor does NOT:

• Sell your system information to third parties
• Share your device metrics with advertisers
• Send your data to analytics services (beyond AdMob for advertising)
• Upload your information to our servers (we don't have any)
• Share system data with other apps or services

Third-Party Service Providers

We use the following third-party services that may collect data:

Google AdMob (Advertising)

• Purpose: Display advertisements to support the free version of the app
• Data Shared: Device identifiers, device info, ad interaction data (as described above)
• Privacy Policy: https://policies.google.com/privacy

ipify.org (Public IP Lookup)

• Purpose: Display your public IP address
• Data Shared: Standard HTTP request to https://api.ipify.org
• When Used: Only when you tap "Get Public IP" button (optional feature)
• Privacy Policy: https://www.ipify.org/

User-Initiated Sharing

System data only leaves your device when YOU explicitly:

1. Export data to CSV/JSON/PDF and share the file via email, cloud, etc.
2. Use the app's share function to send exported files

Advertising and Your Choices

Ad Personalization

Google AdMob may serve personalized ads based on your interests and browsing behavior. You have control over ad personalization:

Opt-Out of Personalized Ads

1. Android Device Settings:
   • Open Settings → Google → Ads
   • Enable "Opt out of Ads Personalization"
2. Reset Advertising ID:
   • Settings → Google → Ads → Reset advertising ID
3. Online: Visit https://adssettings.google.com to manage your ad preferences

Support the App

Advertisements help us provide Sys-Monitor for free. If you prefer an ad-free experience, we may offer a premium version in the future. Stay tuned for updates!

Permissions Explained

Sys-Monitor requires the following Android permissions:

System monitoring permissions are used solely for app functionality and no device data is transmitted to our servers. The INTERNET permission is also used by Google AdMob to load and display advertisements.

Children's Privacy

Sys-Monitor does not knowingly collect personal information from children under 13 years of age. The app is intended for general audiences and does not contain age-restricted content.

If you are a parent or guardian and believe your child has provided information through the app:

• System monitoring data is stored locally and can be removed by uninstalling the app
• Advertising data collected by Google AdMob is subject to Google's privacy practices
• You can manage your child's ad settings through their Google account

Google AdMob has policies in place to comply with the Children's Online Privacy Protection Act (COPPA). For more information, visit: https://support.google.com/admob/answer/6223431

Security

We take data security seriously:

1. Local Storage: All system data remains on your device, protected by Android's app sandboxing
2. Encrypted Preferences: User settings stored using encrypted DataStore
3. Secure File Sharing: Uses Android FileProvider for secure file sharing
4. Minimal Server Communication: Only connects to ipify.org (optional) and Google AdMob
5. Secure Connections: All network requests use HTTPS encryption
6. Runtime Permissions: App requests permissions only when needed
7. No Personal Data Collection: We don't collect names, emails, or other personally identifiable information

Your Rights and Choices

You have complete control over your data:

View Your Data

• All collected system data is visible within the app
• Navigate to Analytics, Charts, or Export screens to see stored metrics

Export Your Data

• Export all data in CSV, JSON, or PDF formats
• Files saved to your device's Documents folder
• You control where exported files are shared

Delete Your Data

1. Clear Historical Data: Settings → Data Management → Clear Cache
2. Reset Settings: Settings → Data Management → Reset Settings
3. Complete Removal: Uninstall the app to delete all local data permanently
4. AdMob Data: Reset your advertising ID or opt-out of personalization (see Advertising section)

Control Data Collection

• Disable Auto-Snapshot: Settings → Monitoring Preferences → Auto-Snapshot (Off)
• Adjust Retention: Settings → Monitoring Preferences → History Retention (1-365 days)
• Revoke Permissions: Android Settings → Apps → Sys-Monitor → Permissions
• Manage Ads: Android Settings → Google → Ads

International Users & Compliance

General Data Protection Regulation (GDPR) - EU Users

Under GDPR, you have the right to:

• Access: View all data we collect (available in-app)
• Rectification: Modify incorrect data (automatic - app shows real-time data)
• Erasure: Delete your data (uninstall app or clear data)
• Portability: Export your data (CSV/JSON/PDF export)
• Restriction: Limit data collection (disable auto-snapshot, revoke permissions)
• Object: Object to data processing (stop using the app or opt-out of ad personalization)

Legal Basis for Processing:

• System monitoring: Legitimate interest in providing app functionality
• Advertising: Consent (by using the free, ad-supported version)

California Consumer Privacy Act (CCPA) - California Users

California residents have the right to:

• Know what personal information is collected
• Know if personal information is sold (we don't sell data)
• Request deletion of personal information
• Opt-out of sale of personal information (not applicable - we don't sell)

Do Not Sell My Personal Information: We do not sell your personal information. We share limited device data with Google AdMob solely for advertising purposes.

Other Compliance

This Privacy Policy complies with:

• Google Play Developer Program Policies
• Google Play Developer Distribution Agreement
• Android Permissions Best Practices
• Children's Online Privacy Protection Act (COPPA)

Data Processing Summary

What We Do

• Collect system metrics locally on your device
• Store data in local database
• Display metrics in user interface
• Generate charts and analytics from local data
• Export data to files when you request
• Display advertisements via Google AdMob

What We DO NOT Do

• Transmit system data to remote servers (except ad requests to AdMob)
• Share device metrics with third parties (except AdMob for ads)
• Sell or rent your information
• Track your behavior across other apps or websites (AdMob may for ad purposes)
• Collect personal identifying information (name, email, address, phone number)
• Require account registration or login

Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we do:

1. Notification: You will be notified via in-app message upon next launch
2. Effective Date: The "Last Updated" date will be revised
3. Consent: Continued use of the app constitutes acceptance of changes
4. Review: You can review this policy at any time on our website

Material Changes: If we make significant changes (e.g., adding new data sharing practices, changing advertising providers), we will provide prominent notice and may request your explicit consent.

Contact Us

Consent

By installing and using Sys-Monitor, you acknowledge that you have read and understood this Privacy Policy and agree to its terms, including:

• The collection of system metrics stored locally on your device
• The display of advertisements via Google AdMob
• The collection of advertising data by Google AdMob as described in this policy

If you do not agree with this policy, please do not install or use the app.

Technical Details for Google Play

Data Safety Disclosure

According to Google Play's Data Safety requirements:

Security Practices

• Data encrypted in transit: Yes (HTTPS for all network requests)
• Data encrypted at rest: Preferences encrypted; database protected by Android sandboxing
• Data can be deleted: Yes (uninstall app, clear data, or reset advertising ID)