Privacy Policy for Metal Detector App

App Name: Metal Detector PRO

Developer: [Your Name/Company Name]

Introduction

This Privacy Policy explains how our Metal Detector application ("App," "we," "us," or "our") collects, uses, and protects your information. Our app provides metal detection, gold finding, identification tools, and measurement utilities using your device's built-in sensors.

By using this app, you agree to the terms of this privacy policy.

Information We Collect

Sensor Data (Not Stored)

Our App accesses the following device sensors to provide its features. This data is processed locally on your device and is NOT collected, stored, or transmitted to our servers:

  • Magnetometer (Magnetic Field Sensor): Used for metal detection, gold finding, EMF meter, wall stud finder, and compass features
  • Camera: Used for coin identifier and rock identifier features to capture and analyze images
  • Microphone: Used for the sound level meter feature to measure ambient noise
  • Accelerometer & Gyroscope: Used for the bubble level and compass features
  • GPS/Location Sensors: Used for the compass feature to determine magnetic declination

Important: All sensor readings are processed in real-time on your device. We do not collect, record, or transmit this sensor data.

Information You Provide

  • Saved Detections: If you choose to save detection results, they are stored locally on your device
  • User Preferences: App settings and preferences stored locally
  • Support Communications: Information you provide when contacting customer support

Automatically Collected Information

  • Device Information: Device model, Android version, app version
  • Usage Analytics: App crashes, feature usage statistics (anonymized)
  • Advertising ID: Anonymous identifier for advertising purposes (if applicable)

Photos and Images

When using the Coin Identifier or Rock Identifier features:

  • Photos are temporarily processed on your device or sent to third-party image recognition services
  • Images are NOT permanently stored by us unless you explicitly save them to your device
  • We do not collect or retain your photos

Android Permissions Required

Our App requests the following permissions:

PermissionFeature(s) Using ItPurpose
CAMERACoin Identifier, Rock IdentifierTo capture images for identification
RECORD_AUDIOSound Level MeterTo measure sound levels
ACCESS_FINE_LOCATIONCompassTo calculate magnetic declination for accurate compass readings
VIBRATEMetal Detector, Gold FinderTo provide haptic feedback when metal is detected
INTERNETAds, Analytics, Image RecognitionFor app functionality and monetization
ACCESS_NETWORK_STATEAll FeaturesTo check internet connectivity
WRITE_EXTERNAL_STORAGESave FeatureTo save detection results and images (if you choose)


Camera and Audio Access: Our application requires access to your device's camera and microphone to provide core features:

  • Camera: Used solely for the 'Coin Identifier' and 'Rock Identifier' features to capture images for visual analysis. We do not store or transmit these images to our servers; all processing is done on-device or via secure API.
  • Microphone (Audio): Used solely for the 'Sound Meter' feature to measure decibel levels in your environment. We do not record, store, or transmit any audio data.
You can deny these permissions, but some features may not work properly.

How We Use Your Information

We use collected information for:

  • Providing App Functionality: Processing sensor data to deliver metal detection and measurement features
  • Improving User Experience: Understanding which features are most used
  • App Maintenance: Identifying and fixing bugs and crashes
  • Customer Support: Responding to your inquiries
  • Legal Compliance: Meeting legal and regulatory requirements

Data Processing Location

  • Sensor Data: Processed entirely on your device - never leaves your phone
  • Image Analysis: May be sent to third-party image recognition APIs (Google Vision API, TensorFlow, or similar)
  • Analytics Data: May be sent to analytics providers (see Third-Party Services below)

Third-Party Services

Our app may integrate with the following third-party services:

Advertising Networks (if applicable)

  • Google AdMob
  • [Other ad networks]

These services may collect advertising identifiers and usage data. You can opt out of personalized ads in your device settings (Settings > Google > Ads > Opt out of Ads Personalization).

Analytics Services

  • Google Analytics for Firebase
  • Crashlytics

These help us understand app usage and identify technical issues.

Image Recognition Services

  • Google Cloud Vision API (or similar)
  • Used only when you use the Coin Identifier or Rock Identifier features
  • Images are temporarily processed and not stored permanently by these services

Links to Third-Party Privacy Policies

Data Sharing and Disclosure

We do NOT sell your personal information.

We may share information only in these circumstances:

  • Service Providers: Third parties that help operate our App (analytics, advertising, image recognition)
  • Legal Requirements: When required by law or to protect rights and safety
  • Business Transfers: In case of merger, acquisition, or asset sale
  • With Your Consent: When you explicitly agree

Children's Privacy

Our app is not intended for children under 13 years of age. We do not knowingly collect personal information from children. The app does not contain the following:

  • Social features
  • User accounts
  • Data collection targeting children

If you believe a child has provided information to us, please contact us immediately.

Data Security

We implement security measures to protect your information:

  • Sensor data is processed locally and not transmitted
  • Saved data is stored securely on your device
  • Communications with third-party services use encryption (HTTPS)
  • No sensitive personal information is collected

However, no internet transmission is 100% secure. Use the app at your own risk.

Data Retention

  • Sensor Readings: Not retained - processed in real-time only
  • Saved Detections: Stored on your device until you delete them
  • Analytics Data: Retained for up to 24 months
  • Crash Reports: Retained for 90 days

You can delete all app data by:

  1. Going to Settings > Apps > [App Name] > Storage > Clear Data
  2. Uninstalling the App

Your Rights and Choices

You have the right to:

  • Access: Request information about data we collect
  • Deletion: Delete saved detections and app data from your device
  • Opt-Out: Disable personalized advertising in device settings
  • Permission Control: Revoke camera, microphone, or location permissions in Settings > Apps > [App Name] > Permissions

Location Data (Compass Feature)

The Compass feature uses location data to calculate magnetic declination for accuracy. This data is:

  • Used only when the Compass feature is active
  • Processed locally on your device
  • NOT tracked, logged, or shared
  • You can deny location permission; the compass will still work but may be less accurate

No Account Required

This app does not require account creation or login. You can use all features without providing personal identification information.

Advertising

Our app may display advertisements from third-party ad networks. These ads may be:

  • Personalized based on your interests (using advertising ID)
  • Non-personalized (if you opt out)

Ad networks may collect device identifiers and usage information. To opt out of personalized ads:

  • Android: Settings > Google > Ads > Opt out of Ads Personalization

Changes to This Privacy Policy

We may update this Privacy Policy occasionally. Changes will be posted in the app and on this page with a new "Last Updated" date. Continued use of the app after changes constitutes acceptance of the updated policy.

International Users

Your information may be processed in countries other than your own. By using the app, you consent to the transfer of information to countries that may have different data protection laws.

California Privacy Rights (CCPA)

If you are a California resident, you have the right to:

  • Know what personal information is collected
  • Know if personal information is sold or shared
  • Opt out of the sale of personal information
  • Request deletion of personal information

We do not sell personal information.

European Users (GDPR)

If you are in the European Economic Area, you have additional rights under GDPR:

  • Right to access, rectify, or erase your data
  • Right to restrict or object to processing
  • Right to data portability
  • Right to withdraw consent
  • Right to lodge a complaint with supervisory authorities

Contact Us

If you have questions, concerns, or requests about this Privacy Policy or your data:

Email: imanguldhq@gmail.com

Consent

By downloading, installing, or using this app, you acknowledge that you have read this Privacy Policy and agree to its terms.

Summary of Key Points

✓ Sensor data is processed locally—not collected or stored by us
✓ Camera used only for identification - images not permanently stored
✓ No account required - use the app anonymously
✓ No selling of data - we respect your privacy
✓ Third-party ads - you can opt out of personalization
✓ You control permissions - disable features you don't want to use

Disclaimer: This privacy policy should be reviewed by a legal professional to ensure compliance with all applicable laws in your jurisdiction, including GDPR, CCPA, and local regulations.

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