A new app alerts you if someone nearby is wearing smart glasses | TechCrunch

TechCrunch

by Zack Whittaker

March 2, 2026

AI-Generated Deep Dive Summary

A new app called Nearby Glasses aims to address concerns about privacy by alerting users when someone nearby is wearing smart glasses or other always-recording devices. Created by developer Yves Jeanrenaud, the Android app detects Bluetooth signals emitted by wearable tech from companies like Meta (Oakley) and Snap. These signals are unique to manufacturers, allowing the app to identify specific devices. While primarily designed for Meta and Snap products, users can also input custom Bluetooth identifiers to detect a broader range of surveillance devices. The inspiration behind Nearby Glasses stems from growing concerns about the ethical implications of wearable tech. Jeanrenaud was particularly troubled by instances where smart glasses were used in immigration raids and to harass sex workers. He emphasized that these devices often look like ordinary eyewear, making it difficult for individuals to know they are being recorded or monitored without consent. Testing the app revealed its effectiveness in detecting nearby devices. While walking through a neighborhood, no alerts were triggered initially, but adding a specific Bluetooth identifier for Apple devices led to immediate notifications from nearby Apple-made products. This demonstrated the app's functionality and potential for customization. Jeanrenaud is currently working on enhancing features and has received requests for an iPhone version, though availability depends on his schedule. Despite its technical capabilities, Nearby Glasses is more than just a tool; it represents a form of resistance against privacy-invasive technology. As wearable devices with recording and listening capabilities become more common, concerns about consent and surveillance grow. While the app offers a proactive solution, Jeanrenaud acknowledges it addresses a symptom rather than the root cause of the issue. The app highlights the ongoing tension between technological innovation and personal privacy in an increasingly connected world.

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Originally published on TechCrunch on 3/2/2026