Culvert VPNIs a free VPN safe? How to tell in five minutes
A free VPN can be safe when you can see how it is funded, what data it collects and which permissions it asks for. Here is how to check in five minutes.
Free VPNs and no sign-up
A free VPN has to be paid for somehow. These guides explain how free tiers are funded, which permissions a VPN app genuinely needs, how to read a Play Store listing before installing, and how a VPN can work with no account, no email and no card.
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How free VPNs make money, and which ways should worry you
Free VPNs are paid for by a premium tier, by ads, by selling browsing data or by renting out your connection. Here is how to tell which one you are using.
A VPN with no sign-up: how it can work without an account
A VPN can work with no sign-up because your phone can create its own account from a hardware key. Here is how that works and what it changes for you.
Can you use a VPN without giving an email address?
Yes. A VPN needs an email only when there is something to restore, such as a paid subscription. A free tier can run entirely from a key on your phone.
Which permissions a VPN app actually needs on Android
A VPN app on Android needs the system VPN permission, network access and notifications. It does not need contacts, SMS, location, camera or storage.
Why free VPNs limit data or time
Free VPNs limit data or time because bandwidth is the cost that grows with use. Here is what each kind of limit means for you and which shape is fairer.
Free vs premium VPN: what actually changes when you pay
Paying for a VPN usually changes where you can connect, how long sessions last and how many devices you can use. The encryption and privacy stay the same.
Seven red flags in a free VPN's Play Store listing
Seven signs in a free VPN's Play listing that should stop you installing: odd permissions, a blank Data safety section, no developer contact and more.
Free trial vs free tier: the difference matters
A VPN free trial is the paid plan for a few days and then it charges you. A free tier is a smaller service you can keep. Here is how to tell them apart.
Using a VPN without a credit card
You can use a VPN without a credit card. A real free tier needs no payment details, and Google Play offers other ways to pay if you later want Premium.