Pawe szyd owski's app detects Bluetooth signals from glasses, decoding hidden camera activity.

Paweł Szydłowski’s ZuckOff App Decodes Hidden Camera Glasses through Bluetooth Signals

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Written by Sam Johnson

2026-09-22

Decoding the invisible world of camera-equipped eyewear

Paweł Szydłowski, a developer from Poland, has designed an innovative app called ZuckOff that uses Bluetooth technology to detect camera glasses. This app aids in identifying hidden devices such as Ray-Ban Meta, Oakley Meta, and Snap Spectacles by deciphering Bluetooth signals. With the increasing presence of technology-integrated eyewear, discerning such devices has become challenging for those close by. His solution allows users to inspect these signals on devices like phones, watches, or computers, adding transparency to an often opaque environment.

Close-up of a hidden camera lens on smart glasses, reflecting light.

The mechanics behind device detection

The app, ZuckOff, reveals wireless signals that suggest the presence of devices equipped with cameras, addressing the uncertainty caused by such gadgets. It identifies devices via their manufacturer signatures and records other Bluetooth devices, though it primarily flags camera glasses. By assigning confidence levels such as possible, likely, and strong, ZuckOff provides users with detailed information like manufacturer ID, signal strength, and approximate distance, creating an informed user experience.

Eyeglasses enabling hands-free calls without visible earbuds on a table.
the eyewear allows for earbuds-free (video) calls

Understanding and navigating device alerts

The app’s Sightings feature logs all nearby Bluetooth devices, offering a timeline of appearances and signal changes. Glasses owners can mark their devices to prevent frequent alerts. While signal strength informs proximity, it doesn’t indicate direction, and Bluetooth signals can’t confirm active camera use. This limitation means absence in detection doesn’t assure non-presence, nor does detection confirm use. Users can export their logs as CSV files, and the app continuously evolves through user-contributed data from unsupported devices and potential collaborations with privacy advocacy groups.

To dive deeper into privacy measures involving wearable technology, learn how Meta disables smart glasses to curb privacy violations, providing an interesting perspective.

Various smart gadgets displayed at CES 2025 technology showcase event.
smart gadgets CES 2025
Meta AR glasses, Orion model, resting on a modern desk surface.
meta AR glasses orion

Potential and limitations of ZuckOff

While offering significant insights into the presence of camera glasses, Szydłowski’s ZuckOff has its limits. Detection is easiest when devices start up, pair, or exit a case. Some devices may remain silent, complicating detection. The app doesn’t require an account, promoting privacy and ease of use. Its detection rules are built on actual device captures, and there’s potential for growth as new devices emerge. The ongoing development supports the evolving landscape of wearable technology.

Group of people wearing smart glasses and engaging in conversation.
Close-up of Meta Ray-Ban Oakley smart eyewear on a display.
meta ray-ban OAKLEY
Ray-Ban Meta AI glasses showcased with updated features in focus.
ray-ban meta AI glasses update
Smart glasses charging on a sleek wireless charging pad.
Person adjusting smart eyewear settings via a smartphone application.
Designer display case featuring various styles of smart eyeglasses.
Hands typing on a laptop, displaying a smart glasses interface.
Tech-savvy individual using augmented reality features on eyeglasses.
Collection of digital lenses and attachments for smart eyewear.
Individual testing smart glass features at an outdoor location.
Detailed circuit board of smart eyewear technology components.
Human eye visible through augmented reality lenses, studying digital interface.

Source: designboom.com

Frequently asked questions

What is the ZuckOff app and who developed it?

ZuckOff is an app designed to detect camera glasses using Bluetooth technology. It was developed by Paweł Szydłowski from Poland.

How does ZuckOff detect hidden camera glasses?

ZuckOff detects hidden camera glasses by deciphering Bluetooth signals and identifies them via manufacturer signatures.

What does the Sightings feature in ZuckOff do?

The Sightings feature logs all nearby Bluetooth devices, offering a timeline of appearances and signal changes. Users can export these logs as CSV files.