A VPN (virtual private network) directs your internet traffic through an encrypted tunnel to a remote server, and the differences between providers are primarily about specific, checkable features rather than marketing claims on the homepage.
You’ll need to settle three things first:
If you’re still unsure what a VPN does or whether you need one, start with what a VPN is and come back.
Work through these five checks in order. The early ones quickly rule out weak providers; the later ones separate the remaining ones.
Match the VPN to your use case before you compare anything else, because the “best” VPN is the one that does your job well.
If your main concern is privacy on shared networks, weight encryption and a kill switch most heavily. If you travel and want to reach services from home, prioritise a broad server network and reliable connections.
If you only need to keep your internet service provider from seeing your browsing, almost any reputable VPN covers that, so you can decide on price and ease of use. Write your top one or two needs down; they decide which of the steps below matter most.
Confirm the VPN uses strong, named encryption and a current protocol before you look at anything else, because these are what make it a security tool rather than a redirection service.
Look for AES-256 (the Advanced Encryption Standard, the same cipher used to secure online banking) or the modern, fast ChaCha20. For the protocol (the set of rules that builds the encrypted tunnel) look for WireGuard or OpenVPN, both of which are independently audited; IKEv2/IPsec is a sound choice on mobile.
Treat the phrase “military-grade encryption” as marketing and check for the named cipher instead. Our explainers on VPN encryption and VPN protocols cover what each term means.
Check that the provider’s no-logs policy has been confirmed by an independent audit, not just asserted in marketing.
A no-logs policy is the provider’s commitment not to record what you do while connected, and the credible providers publish a third-party audit (from a firm such as a major accountancy or security auditor) to back it up.
Two related signals are worth a look: whether the provider has ever produced user activity logs in response to a legal request, and the country it operates from, since that determines which authorities can compel data.
The phrase you’ll see is the “14 Eyes” intelligence-sharing alliance, a group of countries (the US, UK, Australia, Canada, New Zealand, and nine European partners) that share signals intelligence; some privacy-focused providers base themselves outside it deliberately. Jurisdiction matters less than an audited no-logs policy, but it’s a reasonable tiebreaker.
Make sure the VPN includes the specific features your use case from Step 1 depends on.
The ones worth checking by name:
With the essentials confirmed, compare what’s left: speed, cost, and support. A VPN adds some overhead, so expect a small drop in speed; WireGuard generally minimises it.
On price, compare the annual cost rather than the headline monthly figure, and be cautious with free VPNs, which sometimes fund themselves by logging or selling data, the opposite of what you’re paying a VPN to prevent. For support, check whether help is available when you’d need it (24/7 live chat is common) and whether setup guides exist for your devices.
Use the money-back guarantee as a free trial on your own connection.
Install the VPN, turn on the kill switch, and connect, then run a few checks: confirm your apps and local devices still work, run a quick speed test with the VPN on and off to see the difference, and use an online IP-checking tool to confirm the sites you visit see the server’s location rather than yours.
If anything fails or the speed loss is too steep for your use, request a refund within the guarantee window and try another. Our guide on how to set up a VPN walks through the installation in five steps.
Sometimes, for light use, but apply extra scrutiny. Running a VPN costs money, so a free provider has to fund itself somehow, and some do it by logging or selling user data or by capping speed and data. If you choose a free VPN, hold it to the same Step 3 privacy test as a paid one, and be wary if it can’t pass.
Pricing varies, but annual and multi-year plans are typically far cheaper per month than rolling monthly ones. Compare the total annual cost rather than the advertised monthly rate, and use the money-back guarantee to test before committing to a long term.
It depends on your use from Step 1, but two are close to universal: strong named encryption and an audited no-logs policy. A kill switch is the next priority for anyone using public Wi-Fi or logging into sensitive accounts.
It can. The country a provider operates from determines which authorities can compel it to hand over data, which is why some privacy-focused providers base themselves outside the 14 Eyes alliance. It matters less than an audited no-logs policy, since a provider that genuinely keeps no logs has nothing to hand over, but it’s a fair tiebreaker between two otherwise equal options.
You can now judge any VPN on what counts: named encryption and a current protocol, an audited no-logs policy, the specific features your use case needs, and a fair price you’ve tested against a money-back guarantee. The one thing to watch is the gap between a claim and its proof. Treat “military-grade” and “no-logs” as unverified until a named cipher and an independent audit back them up. For the providers we rate against these criteria, see our best VPNs comparison, and for the mechanics behind the features above, how a VPN works.