Quick Verdict
Most free VPNs monetize by logging and selling your traffic data -- the opposite of what a VPN is supposed to do. ProtonVPN Free is the legitimate exception. NordVPN at $3.09/mo removes every limitation of the free tier.
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Quick Answers
- Most free VPNs monetize by logging and selling your browsing data to advertisers
- Bandwidth caps (500MB-10GB/mo) make most free VPNs impractical for regular use
- Free VPNs typically limit you to 1-3 servers with slow speeds and no streaming support
- ProtonVPN Free is the one legitimate free VPN -- no data selling, but limited to slow servers
- NordVPN costs the equivalent of one coffee per month on a 2-year plan
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VPN infrastructure is expensive -- servers in 100+ countries, network bandwidth, software development, security audits. When a VPN is free, someone is covering those costs. Understanding who pays, and why, tells you whether the product is worth using.
How Free VPNs Actually Make Money
The business models used by free VPNs:
The most common approach is selling browsing data. Traffic gets logged, aggregated, and sold to data brokers or advertisers. Hola VPN was caught selling user bandwidth to a botnet in 2015; SuperVPN was found transmitting user data to Chinese servers unencrypted. Other free VPNs inject ads into browsing sessions (HTTPS included), throttle speeds to push upgrades, or use the free tier as lead generation -- the product is never the VPN, it is you.
The 2021 VPNpro investigation found that 77% of the top free VPN apps in the Google Play Store were owned by companies with opaque Chinese ties. The 2023 Consumer Reports audit found multiple free VPNs with undisclosed data sharing clauses buried in privacy policies.
What Free VPNs Cannot Do
| Feature | Typical Free VPN | NordVPN |
|---|---|---|
| Data cap | 500MB-10GB/month | Unlimited |
| Speed | Throttled | 850+ Mbps (NordLynx) |
| Server locations | 1-5 countries | 137 countries |
| Streaming (Netflix) | Blocked by most platforms | 30+ libraries |
| No-logs audit | Rarely published | 5 independent audits |
| Ad/malware blocking | No (often the opposite) | Threat Protection Pro |
The One Legitimate Exception: ProtonVPN Free
ProtonVPN Free is the only free VPN we recommend without caveats. Proton is a Swiss company known for ProtonMail. Its free VPN tier has no data cap, no advertising, and no data selling. The trade-offs are real: you get 3 server locations (US, Netherlands, Japan), no streaming support, and slower speeds because free users share servers with fewer resources. For occasional public Wi-Fi use with low speed expectations, it is adequate and honest.
ProtonVPN funds its free tier through its paid plans and ProtonMail subscriptions. The business model is transparent and its audits are published.
What NordVPN Actually Costs
On a 2-year plan, NordVPN is $3.09/mo -- $74.16 billed upfront. That is less than most people spend on streaming subscriptions they use less frequently. The 30-day money-back guarantee means you can test it without financial risk. Compared to ProtonVPN Free's limitations, the upgrade gives you 9,300+ servers, 30+ Netflix libraries, Threat Protection Pro, and a verified no-logs policy audited five times.
For a full breakdown of what the paid plan includes, see our NordVPN review or NordVPN pros and cons. If you have already decided and want a VPN comparison, our guide on who actually needs a VPN covers the decision.
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Bottom Line
If you need a VPN for occasional public Wi-Fi protection and slow speeds are acceptable: ProtonVPN Free. If you need reliable speeds, international servers, streaming, or actual privacy guarantees: NordVPN.