What Does a VPN Actually Do?
A Virtual Private Network (VPN) encrypts your internet traffic and routes it through a server in a location of your choosing. This masks your IP address, makes it harder for websites and advertisers to track you, and can protect your data on public Wi-Fi networks.
VPNs have become mainstream tools — but the difference between free and paid options is significant and often misunderstood.
The Appeal of Free VPNs
Free VPNs are obviously attractive. No commitment, no cost, easy to try. Some legitimate free options exist — typically as limited versions of paid services (like ProtonVPN's free tier). However, many free VPNs come with serious caveats.
The Hidden Costs of Free VPNs
Running VPN infrastructure is expensive. If you're not paying, the service has to make money some other way. Common approaches include:
- Selling your browsing data to advertisers and data brokers — the exact opposite of privacy
- Injecting ads into your browsing session
- Bandwidth throttling that makes the service too slow for practical use
- Data caps — often just a few hundred MB per month
- Limited server locations — typically just a handful of countries
- Logging your activity despite claiming not to
The old adage applies here: if the product is free, you are often the product.
What Paid VPNs Offer
Reputable paid VPNs (such as Mullvad, ProtonVPN, or NordVPN) offer a different proposition:
- No-log policies — independently audited to confirm they don't store your activity
- Fast, global server networks — hundreds or thousands of servers across dozens of countries
- Unlimited bandwidth — suitable for streaming, downloading, and video calls
- Kill switch — automatically cuts internet access if the VPN drops, preventing data leaks
- Multi-device support — protect your phone, laptop, and tablet simultaneously
- Customer support and regular security updates
Side-by-Side Comparison
| Feature | Free VPN | Paid VPN |
|---|---|---|
| Privacy | Often compromised | Strong (if reputable) |
| Speed | Usually throttled | Generally fast |
| Data limit | Low or capped | Unlimited |
| Server locations | Few | Many countries |
| Logging | Often logs data | No-log (audited) |
| Cost | Free | Typically a few dollars/month |
When a Free VPN Is Acceptable
There are limited scenarios where a free option is reasonable:
- You need occasional, light protection (e.g., on a public Wi-Fi network for basic browsing)
- You use ProtonVPN's free tier — one of the few free VPNs with a verified no-logs policy and no data cap (though with limited server locations)
- You're testing a VPN service before committing to a paid plan
The Verdict
If privacy is genuinely your goal, a paid VPN is almost always the right answer. The cost is modest — typically a few dollars per month — and the difference in trustworthiness and performance is substantial. For a free starting point, ProtonVPN's free tier is the most defensible choice. For everything else, budget for a reputable paid service and treat it as a worthwhile investment in your online privacy.