Culvert VPNVPN vs proxy: what is the difference?
A proxy forwards one app's traffic and usually leaves it unencrypted; a VPN carries every app on the phone in one encrypted tunnel. When each fits.
Comparisons
A VPN is often confused with tools that solve a neighbouring problem. These guides put it next to a proxy, Tor, Android Private DNS, antivirus and a travel eSIM, and end with a ten-minute travel checklist.
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VPN vs Tor: which one do you actually need?
Tor routes traffic through three volunteer relays for anonymity at a heavy cost in speed; a VPN encrypts everything to one server you trust.
VPN vs Private DNS: what each one actually encrypts
Android's Private DNS encrypts only name lookups; a VPN encrypts all your traffic. What each one hides, and how the two interact when both are on.
VPN vs antivirus: which protects against what
Antivirus inspects files and apps on the phone; a VPN protects the network path to the internet. Neither replaces the other. Here is the split.
VPN and eSIM for travel: two different jobs
A travel eSIM gives your phone mobile data abroad; a VPN encrypts that data and any Wi-Fi you use. They do different jobs, and most travellers want both.
VPN for travel: a ten-minute checklist
Set up your VPN before you leave, turn on Always-on, pick a nearby server and know what to do on hotel Wi-Fi. A ten-minute checklist for Android.