Neon goes dark after major security flaw uncovered

The app, which is near the top of app store charts, allows users to sell access to recordings of their phone calls to train AI models. But the service won’t be accessible again until a bug is fixed, the developer says.

By Shelly BrisbinOctober 2, 2025 1:17 pm,

A popular app that helps train AI models by letting users sell access to their phone calls is currently offline because of a flaw that allowed users to access others’ phone call recordings.

Neon quickly rose to the top of the Apple and Google app stores with the offering, but a report from TechCrunch alerted the developer to the issue. The company then pulled access to Neon’s servers.

Tech expert Omar Gallaga wrote about the controversy for CNET.

Highlights from this segment: 

Neon promises per-minute payouts for call audio recorded in the app.

– The developer says only the caller’s data is used to train AI models, unless both parties are Neon users. Questions have been raised about whether non-Neon users are recorded and their audio deleted.

– The developer says Neon will return “soon” and that users who are owed money will be able to collect it. 

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