PERIMETER Radar

Passive BLE awareness

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Passive BLE radar for nearby devices — private, on-device, listen-only PERIMETER Radar is a passive Bluetooth awareness app. See nearby BLE devices on a live radar, classify phones, watches, trackers, and IoT gadgets, listen to public scanner radio streams, and explore open map layers. Processing stays on your iPhone. The app listens only — it does not connect to or control nearby devices.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Matthew Opdenhoff, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Matthew Opdenhoff
    Size
    1.7 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Unfilter LLC
  • Developer Website
  • Privacy Policy

    • More by Matthew Opdenhoff

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