A free VPN might seem like a great deal, but they're not all created equal. While some reputable providers offer limited free plans to convert users into paying subscribers, others rely on advertising or data collection that compromises privacy. A virtual private network routes your connection through a server, masking your IP address from your ISP.

However, this setup places a VPN company in a trusted position, meaning you trade one set of eyes for another. Sending traffic through another server can add latency or reduce connection speeds, which free offerings often exacerbate with data caps or speed limits. Privacy practices are the biggest concern.

The Federal Trade Commission has warned that some free apps make money through advertising or by sharing information with third parties. A 2026 NDSS study of 281 Android VPN apps revealed that 29 leaked user traffic outside the VPN tunnel, 61 transmitted unencrypted data, and 76 sent Android Advertising IDs for tracking. These findings show that an app saying "connected" does not guarantee a secure connection.

Furthermore, a VPN protects the connection between your device and its server but does not stop malicious software from running on your computer or prevent entering passwords on phishing sites. To evaluate if a free VPN is worth using, consumers must scrutinize the provider's business model and understand that free tiers often come with fewer server locations and imposed data limits.