Quick answer
A proxy is a middleman for a single app, usually your browser: sites see the proxy's address instead of yours, but the traffic between you and the proxy is typically not encrypted, and other apps on the device are unaffected. A VPN works at the system level: it encrypts all traffic from every app and routes it through a server. If you want privacy on the network you are using, you need a VPN. If you only want a different IP address for one browser tab and do not care who can read the traffic, a proxy is enough.
Key facts
- Scope: a proxy covers one app; a VPN covers the whole device.
- Encryption: most proxies do not encrypt; a VPN always does.
- Setup: a proxy is configured per app; a VPN is one switch for everything.
- Speed: a well-run VPN with WireGuard is often as fast as a proxy and more reliable.
- Trust: free public proxies are frequently run by people who read the traffic passing through them.
How a proxy works
You tell one application, almost always a browser, to send its requests to a proxy server instead of straight to the destination. The proxy makes the request on your behalf and returns the result. The website sees the proxy's IP address. That is the whole trick.
Two things follow from this. First, only that application is affected; your email client, messaging apps and every other app keep connecting directly. Second, unless the proxy is specifically an HTTPS proxy and the site itself uses HTTPS, the data between you and the proxy travels in the clear. Anyone on your network can read it, and so can the proxy operator.
How a VPN works
A VPN operates below the application layer. The operating system hands every outgoing packet, from every app, to the VPN, which encrypts it and sends it to the VPN server. Nothing on the device can accidentally bypass it, and nothing on the local network can read it. Our introduction to VPNs walks through the mechanics.
Side by side
| Proxy | VPN | |
|---|---|---|
| Changes your visible IP address | Yes | Yes |
| Encrypts traffic on the local network | Usually no | Always |
| Covers every app on the device | No, one app at a time | Yes |
| Protects you on public Wi-Fi | No | Yes |
| Hides activity from your internet provider | Only for that app, and often not even that | Yes |
| Typical setup | Manual, per application | One tap in an app |
| Works on iPhone and iPad | Awkward, browser only | Native, system-wide |
When a proxy is the right choice
- You are a developer testing how a site behaves from a different region and you do not care about privacy for that session.
- You are inside a corporate network that requires a proxy for web access.
- You need to route exactly one application somewhere else and leave everything else alone.
When you need a VPN
- You use public Wi-Fi in cafés, airports or hotels.
- You do not want your carrier or ISP to see which sites you visit.
- You want every app on the phone protected, including the ones you forgot are running.
- You want it to work the same way on iPhone, iPad and Mac without configuring anything per app.
The short version: a proxy changes where you appear to be. A VPN changes who can see what you are doing.
A word on free proxies
Free public proxy lists are a poor idea for anything that involves logging in. The operator can see every unencrypted request and can inject content into pages. A VPN provider can technically see traffic too, which is why a clear no-logs policy is the thing to look for rather than the price.
Frequently asked questions
Is a proxy faster than a VPN?
Sometimes marginally, because it skips encryption. With a modern protocol like WireGuard the difference is usually too small to notice, and a VPN is far more consistent.
Can I use a proxy and a VPN together?
You can, but there is rarely a reason to. The VPN already covers everything the proxy would, with encryption added.
Is Private Relay on iPhone a VPN?
No. It protects Safari and some system traffic and works differently from a VPN. It does not cover other apps, and it does not let you choose a location.
Does SecureNet offer a proxy mode?
No. SecureNet is a system-wide WireGuard VPN for iPhone, iPad and Mac. Every app on the device is covered as soon as you connect.