Are Free VPNs Safe?
A free VPN is not free infrastructure. Someone pays for the servers, and with no invoice from you the payment comes from advertising, from data, or from other subscribers.
Free is a business model, not a price
Almost every free VPN falls into one of three camps. The first sells an upgrade: the free tier is a demo of a product the company also sells, funded by the people who subscribe. The second monetizes attention — ads in the app, ads before you connect, sometimes ads injected into pages.
The third is the one worth being careful about: services that make money from your traffic or your data rather than from a product. That can mean selling aggregated usage information, or it can mean sharing your connection with paying customers, in which case strangers' requests leave from your address.
A fourth arrangement is worth naming: services bundled with something else — a browser, an antivirus suite, a phone cleaner — where the VPN is a line item rather than the product. The app is usually competent and the business behind it is somewhere else entirely.
What each model actually costs
The upsell model costs you features: one country, a data cap, no streaming, one device. The advertising model costs you attention and, usually, a slower route through the cheapest infrastructure available.
The bandwidth or data model costs you something different — your network reputation and your data. A shared exit means requests you never made can come from your IP address, and an operator that will not say how it funds itself is not going to publish what it sells.
The free tiers that are worth installing
The genuinely reasonable ones are the free plans of companies that also sell a subscription, because the incentive points at converting you rather than at your data. Three appear in our comparison: Proton VPN's free plan with no data cap on one device, Windscribe at ten gigabytes a month, and TunnelBear at two.
They are still free tiers: fewer countries, smaller networks, and the streaming blocks almost always land on free plans first. As a permanent replacement they are limited; as a trial of whether a VPN fits your life they cost nothing to answer.
How to tell which kind you have
Ask four questions. Does the company sell a paid plan, and can you find its name, address and ownership. Is the privacy policy written in sentences that say what is collected rather than what is not collected. Does the app ask for permissions a VPN does not need. And does it say, anywhere, that it shares your connection or sells aggregated data.
If the answers are missing rather than bad, treat that as an answer. The providers we score put the weight where the method says it goes — policy, audits, jurisdiction — and the free tier tells you whether the company expects to be around next year: How we test.
Notice what is absent from those questions: encryption standards. Every provider on this list uses competent cryptography; the difference between them is entirely about what happens to the traffic after it leaves the tunnel, which is a governance question, not a protocol one.
What a free tier is good for
On public wifi, a reputable free tier beats an open network even with a data cap: the tunnel exists, the encryption is real, and the limit applies to how much you use rather than to whether you are protected.
For everyday use on your own connection, the caps and the server lists are what push people back to a paid plan within a month. If you are testing whether a VPN is worth paying for at all, start with the free plan of one of the paid providers and compare honestly: Compare.
If you already installed one
Open the app once and read what it asks for. A VPN needs permission to change network settings and nothing more; a launcher, your contacts or your photos are a mismatch between the app and its stated job.
Then read the policy for the sentence that matters — whether usage is recorded, aggregated or shared, in those words. If the answer is missing, that is the answer. Two minutes of reading tells you more than any comparison of country counts.
If it turns out to be a free plan from a company that also sells subscriptions, keep it for public wifi and see whether you actually use it. If it is the other kind, uninstall it: the tunnel is not worth what runs alongside it.
Frequently asked questions
Do free VPNs sell your data?
Some do, some aggregate it, and the honest ones say so in a policy you can read. The pattern to watch is a company with no paid product: if nothing is being sold to you, something is being sold around you. Free plans from providers with subscriptions work the other way — the plan is a sample of a product.
Are free VPNs slower?
Usually, for two reasons: free plans route through fewer, busier servers, and they are the last to get new capacity. The tunnel itself is not the constraint — the queue is. If speed is the reason you want a VPN, a capped free tier is the wrong place to test it: Compare.
Is a free VPN good enough for airport wifi?
A free plan from a reputable provider is genuinely useful there — it encrypts the link to a server you chose, which is exactly what an open network lacks. Choose the closest server, watch the data cap, and remember that the safety of the app still depends on who wrote it: our guide to VPN safety.
See all eleven providers side by side
Filter by what you need, compare every figure we publish, and open any row to read why a provider scored the way it did.