Are Free VPNs Safe? How to Spot a Trustworthy Free VPN

You’ve found a VPN that costs nothing, and part of you is wondering what the catch is. That’s a healthy instinct. A VPN handles every connection your device makes, so the company behind it has to earn your trust before it earns a spot on your phone.

So, are free VPNs safe? Some are, but many aren’t. The difference usually comes down to two things: how the provider pays for its servers, and how honestly it tells you.

This guide explains how free VPNs make money, what researchers have found when they looked closely, the red and green flags to check before you install one, and how the main types of free VPN compare.

The short answer: are free VPNs safe?

A free VPN can be perfectly safe, but the price tag tells you nothing on its own. What matters is who runs the service, how it’s funded and what it does with the information that passes through it.

That last part is the crux. When a VPN is on, all your traffic flows through the provider’s servers. The provider can see your real IP address, when you’re online and which sites and services you connect to, much as your internet provider could before. If you’re new to how that works, our guide to what a VPN is and how it works covers the basics.

So the useful question isn’t “is a free VPN safe?” in general, but “is this one?” A rough rule of thumb:

• Generally fine: free VPNs from providers that clearly say who they are, how they’re funded and what they collect, and that use a modern protocol.
• Use with caution: ad-supported VPN apps. The ads often bring third-party tracking code along with them.
• Avoid: apps with no identifiable owner, no meaningful privacy policy or promises of total anonymity.

Why “free” raises fair questions

Running a VPN isn’t cheap. Servers, bandwidth, engineering and support all cost real money, every month. If you aren’t paying, someone else is, and it’s worth knowing who. Free VPNs typically cover their costs in one or more of these ways:

• Advertising. Ads appear inside the app, usually delivered through third-party ad SDKs (software development kits, which are prebuilt code libraries). These can collect device identifiers and usage data for ad targeting.
• Your data. Some providers collect information about how you use the app or the internet, then share it with partners or sell it outright.
• Upsells. The free version is a sampler for a paid plan, with data caps, slower speeds or fewer locations. This is a common and usually transparent model.
• Reselling bandwidth. Your device and connection carry other people’s traffic, which the provider sells to its own customers.
• Someone covering the costs. A company or organization pays the bills because it has other reasons to offer the service.

None of these is automatically a problem. Ads and upsells can be done honestly. The trouble starts when the business model is hidden, or when it depends on the very data the VPN is supposed to protect.

Reputable providers usually tell you which model they use, on their website or in the privacy policy. If a few minutes of looking doesn’t tell you how a free VPN pays its bills, treat that as an answer in itself.

Free VPN risks: what researchers have found

These concerns aren’t hypothetical. Researchers have documented the same kinds of problems again and again in the free VPN market.

Tracking code, malware and missing encryption

In 2016, a research team led by CSIRO’s Data61 in Australia, working with university partners, analyzed hundreds of Android VPN apps. They found apps that embedded third-party tracking libraries, apps that antivirus scanners flagged as malware, and some that didn’t encrypt users’ traffic at all, which is the one job a VPN exists to do.

“No logs” apps with exposed logs

In 2020, security researchers discovered that several free VPN apps advertising a “no logs” policy had left databases of user logs exposed online, readable by anyone who found them. The logs those apps said they didn’t keep turned out to exist after all.

Users’ bandwidth resold to third parties

At least one popular free VPN was found to be reselling its users’ idle bandwidth. Other people’s traffic could then exit the internet through those users’ devices and home connections, so a user’s IP address could show up on activity they had nothing to do with.

Fake VPN apps that spread malware

Security researchers also keep finding fake “VPN” apps whose real purpose is to install malware, such as spyware or banking trojans. They tend to circulate on unofficial download sites and through ads, and some have slipped into official app stores before being removed.

Red flags: signs a free VPN isn’t safe

If you spot any of these, keep looking:

• No identifiable owner. You can’t tell which company or organization runs the service.
• A missing or vague privacy policy. Or one that reserves the right to share your data with unnamed “partners” for advertising.
• Ad overload. Full-screen ads and pop-ups usually mean ad SDKs collecting data in the background.
• Permission creep. A VPN has no business asking for your contacts, text messages, call logs, photos or precise location.
• Outdated or unexplained encryption. It relies on PPTP, an old protocol with well-known weaknesses, or says nothing about how your traffic is protected.
• Impossible promises. Claims like “100% anonymous” or “untraceable.” No VPN can deliver that, because logins, cookies and browser fingerprinting can still identify you.
• “Free premium” from unofficial sources. Cracked or modified versions of paid VPN apps are a common way to deliver malware.

Green flags: how to spot a safe free VPN

A safe free VPN tends to have all of these:

• Clear ownership. A named company or organization with real contact details.
• A readable privacy policy. It says specifically what’s collected, why and for how long, in plain language.
• A modern protocol. WireGuard, OpenVPN or IKEv2. For how the first two differ, see WireGuard vs OpenVPN.
• No ad SDKs. The app’s Data safety section on Google Play and its App Privacy section on the App Store show what data the developer says it collects. They’re self-reported, but they make a useful first check.
• Minimal permissions. Beyond the system’s VPN permission and perhaps notifications, a VPN app needs very little.
• Honest marketing. It talks about practical protections, like securing your connection on public Wi-Fi, rather than total anonymity.
• A clear explanation of how it’s funded. If you can’t work out how a free service pays for itself, find out before you trust it with your traffic.

How to check a free VPN before you install it

You can run through the flags above in about ten minutes:

1. Find out who’s behind it. Note the developer name on the app store listing, then look for a matching company name and contact details on the provider’s website.
2. Read the privacy policy. Look for what’s collected, how long it’s kept and who it’s shared with. If there’s no policy at all, stop here.
3. Compare the store’s privacy labels. Check whether the Data safety or App Privacy section matches what the provider’s marketing claims.
4. Review the permissions. If the app asks for access that has nothing to do with running a VPN, deny it or uninstall the app.
5. Search the provider’s name alongside words like “breach,” “data” or “malware” to see whether it has made the news for the wrong reasons.
6. Test it after installing. Take five minutes to check that your VPN is actually working, including a test for a DNS leak, which can expose the sites you visit even while you’re connected.

Free VPN types compared

“Free” covers several very different deals. Here’s how they usually stack up:

If you’re specifically looking for a free VPN with no credit card required, that’s a sensible filter. A genuinely free VPN has no reason to ask for payment details. If a “free” VPN wants your card, read the terms closely, because it’s usually a trial that renews automatically.

How we approach free (and why you should still check)

Since you’re reading this on our blog, here’s where we stand. OqusFreeVPN is 100% free: no ads or ad tracking in the app, no paid tier, no subscriptions or trials and no credit card. Nothing is locked behind an upgrade, because there is no upgrade. It’s built on the WireGuard protocol, and you don’t need an account to use it. Our page on why we made it free explains the thinking behind that.

But don’t take our word for it, or anyone’s. Read the privacy policy of any VPN you use, ours included, and hold every provider to the same green-flag checklist above. A provider that welcomes that kind of scrutiny is a good sign.

The bottom line

Are free VPNs safe? Some are, and plenty aren’t. The price isn’t the problem; hidden business models are. Before you trust a free VPN with your traffic, find out who runs it, how it pays for itself and what its privacy policy actually allows. Skip anything that promises anonymity or asks for permissions it doesn’t need.

A trustworthy VPN is most useful on networks you don’t control, as our guide to whether public Wi-Fi is safe explains. If you’d like a free VPN with no ads and no credit card, OqusFreeVPN apps for Windows, macOS, Android, iOS and Linux are rolling out now in Early Access. Check the download page for your platform.