Define what free actually means
Three offers can look similar in an advertisement: an ongoing free plan, a trial that starts charging later, and a paid subscription with a refund period. Treat them as different products. Before entering payment details, find the initial charge, the date of any future charge and the cancellation instructions. A promise that you may request your money back is not the same as using a service without paying.
An ongoing free plan is easiest to evaluate when you can identify its restrictions before creating an account. Look for a clear plan comparison and a support page. If the download button is prominent but the operator, terms and limits are difficult to find, leave that service off your shortlist until those questions are answered.
A documented starting point: Proton VPN Free
Proton VPN publishes an ongoing free tier. Its plan documentation describes unlimited data, one simultaneous connection and restricted location selection. Proton says paid subscriptions fund the free service. Its free-plan page also states that the plan has no advertising.
That is a useful example of what transparent documentation looks like, rather than a promise that the plan will suit every user. A single connection might be enough for occasional use on a laptop. It will not meet a requirement to connect several devices simultaneously. Likewise, unlimited data does not mean unrestricted access to every feature in a provider's paid subscription.
Read limits as separate questions
Build a short comparison sheet with one row for each candidate. Give data allowance, simultaneous connections, selectable destinations and platform support their own columns. Combining them under a vague label such as “limited” conceals the restriction that might actually matter to you.
For example, imagine that you need a VPN on a workday laptop and an evening phone but never use both at once. Your decision may differ from that of someone who needs both connected throughout the day. Another person may use little data but require one specific location. Neither needs to buy a plan merely because it has a larger headline allowance.
Mark any unanswered item as unknown, then ask support or consult current documentation. Do not quietly turn an unanswered question into a yes. Save the plan page you used so you can recognize if the terms later change.
Check the company, permissions and download
Use the provider's own download page or its verified app-store listing. Check that the publisher matches the service you intended to install. Read the explanation for permissions and any additional software offered during setup. If an installer pushes unrelated tools, stop and reassess the download rather than accepting everything to reach the connection screen.
Our suggested privacy review has three questions: what information does the company say it collects, how long does it keep it, and which settings control optional diagnostics? Record the actual answers. A broad privacy slogan is not a substitute for those details. You should also be able to find instructions for deleting the account if you decide against the service.
Evaluate with a small, ordinary task
Start with the activity you actually need: browsing on a laptop, a routine call, or using an app while connected. Note whether setup is understandable and whether the connection recovers after the device sleeps. Repeat on another day before deciding that one good session is representative.
Avoid installing several VPN apps at once during this check. Keep the experiment easy to interpret: one service, one device and a written record of the settings you changed. If something fails, restore the original setting and ask support a specific question. You are assessing whether the free plan works for you, not trying to manufacture a favorable benchmark.
Know when an upgrade is justified
An upgrade has a clear purpose when it removes a restriction you have already encountered: a required destination, a second simultaneous device or a documented feature. Compare the cheapest suitable paid tier with another provider before purchasing a larger bundle. Our price comparison guide explains how to compare the entire bill.
A free VPN also should not distract from routine account security. The FTC recommends current software, strong passwords and two-factor authentication; these remain useful regardless of your connection choice. See its public Wi-Fi guidance.