iCloud Private Relay vs Cloudflare WARP, Explained

iCloud Private Relay and Cloudflare WARP both hide a visitor's real IP address, but they are built for different jobs and hide it in different ways. Private Relay is a Safari-only, two-hop privacy relay. WARP is a whole-device tunnel through Cloudflare's network. Both keep the user near their real region, and, as you will see below, our detection API flags both as relays.

If you run a website, an app, or a fraud pipeline, you meet both of these in your logs, not in an app store. This piece looks at each one from the receiving end: what it is, what the exit IP tells you, what it does to geolocation, and how each shows up when you run the IP through the IPGeolocation API.

TL;DR

iCloud Private Relay and Cloudflare WARP both replace the visitor's real IP with a Cloudflare-run egress IP that still points to roughly the right region, and our Proxy & VPN Detection API flags both as relays. They mostly differ in scope and who operates them, not in what they do to your geolocation.

• iCloud Private Relay: Apple's two-hop service for Safari (iCloud+ only). Its egress runs on Apple's partners, including Cloudflare. A relay egress IP returns is_relay: true and relay_provider_name: "Apple Relay".
• Cloudflare WARP: a free, whole-device tunnel to Cloudflare (AS13335). It geolocates its exit IPs near the user, and they come back as is_relay: true with relay_provider_name: "Cloudflare WARP" in our API.
• The practical read: both keep the user near their real region, and our API flags each as a relay, so treat them as low-risk privacy relays rather than threats to block.

iCloud Private Relay vs Cloudflare WARP at a glance

The two get compared because they look similar from the user's side: turn it on, and your IP stops being yours. Under the hood they are not the same thing. Private Relay is a narrow privacy feature bolted onto Safari; WARP is a general-purpose tunnel for the whole device. That difference decides everything an operator cares about, from which traffic is affected to what the exit IP says.

What is iCloud Private Relay?

iCloud Private Relay is Apple's privacy feature for iCloud+ subscribers, available since iOS 15, iPadOS 15, and macOS Monterey. When it is on, Safari traffic leaves the device encrypted and passes through two separate relays before it reaches the site. The first relay, run by Apple, sees the user's IP but not the destination. The second relay, run by a partner such as Cloudflare, sees the destination but not the user's IP. As Cloudflare puts it, the design ensures "no single party handling user data has complete information on both who the user is and what they are trying to access."

It is not a VPN. You cannot pick a country, it only covers Safari (and some system requests), and it is engineered to keep you near your real location rather than move you somewhere else. That last point is the one that matters most for geolocation, and it is where Private Relay and WARP part ways.

What is Cloudflare WARP?

Cloudflare WARP is the tunnel behind the free 1.1.1.1 app. Where Private Relay touches only Safari, WARP "sits between your device and the Internet" and carries traffic from the whole device to Cloudflare's network, then out to the destination. Cloudflare markets it for speed and privacy; in its own words on the Private Relay post, WARP is "our consumer VPN," and traffic from it egresses from Cloudflare's autonomous system, AS13335.

So is Cloudflare WARP a VPN? Functionally, close enough. It is an always-on tunnel that hides your IP behind Cloudflare and encrypts your traffic to their edge. It is free, and it does not let you choose an exit country the way a commercial VPN does. Instead, Cloudflare runs WARP's exit as a pool of its own IPs, geolocated to sit near you. That egress design is why, for detection, WARP behaves more like a privacy relay than a location-hopping VPN. The enterprise product, Cloudflare One Client, is a separate tool with its own egress rules.

How each one affects IP geolocation

Both change the IP a server sees. The surprise is that both are built to keep you roughly where you are, so neither wrecks your geolocation the way a country-hopping VPN would.

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2. WARP also keeps you near your region

WARP used to exit from whatever Cloudflare data center traffic happened to route through, which could misplace a user by a country or more. Cloudflare closed that gap with GeoExit: it allocates egress IPs per metro and registers them with geolocation providers, so a WARP user resolves to their approximate location. In Cloudflare's own words, WARP now "replaces your original IP address with one that consistently and accurately represents your approximate location." The result for you is close to Private Relay: a Cloudflare-owned IP that geolocates near the real user, and it is only as accurate as your database's current mapping of those ranges.

The short version: both land the user near home. The real difference is scope and who runs the exit, not the map pin.

How Private Relay and WARP show up in detection data

If you enrich IPs with an intelligence API, both services resolve to the same headline: a relay. Exit IPs like these rotate constantly, and the wider set of anonymizers you actually care about (commercial VPNs, residential proxies, Tor) shifts faster than any list you could keep by hand, so real detection means a live lookup against data that stays current. Here is what each looks like from the Proxy & VPN Detection API, the same detection data we describe in our own methodology.

curl -X GET 'https://api.ipgeolocation.io/v3/security?apiKey=API_KEY&ip=172.225.209.41'

{
  "ip": "172.225.209.41",
  "security": {
    "threat_score": 45,
    "is_tor": false,
    "is_proxy": false,
    "proxy_provider_names": [],
    "proxy_confidence_score": 0,
    "proxy_last_seen": "",
    "is_residential_proxy": false,
    "is_vpn": true,
    "vpn_provider_names": [],
    "vpn_confidence_score": 65,
    "vpn_last_seen": "",
    "is_relay": true,
    "relay_provider_name": "Apple Relay",
    "is_anonymous": true,
    "is_known_attacker": false,
    "is_bot": false,
    "is_spam": false,
    "is_cloud_provider": false,
    "cloud_provider_name": ""
  }
}

{
  "ip": "104.29.70.0",
  "security": {
    "threat_score": 50,
    "is_vpn": false,
    "is_relay": true,
    "relay_provider_name": "Cloudflare WARP",
    "is_anonymous": true,
    "is_cloud_provider": true,
    "cloud_provider_name": "Cloudflare, Inc."
  }
}

Should you block Private Relay or WARP?

Short answer: almost never outright. Both services are used overwhelmingly by regular people who value their privacy, not by attackers. Apple even validates Private Relay at the device and account level and suggests operators can allowlist it. Hard-blocking either one to stop a handful of abusers is the kind of trade that quietly costs you real customers while barely inconveniencing anyone determined.

A flag is a reason to look closer, never a reason to block on its own. Let low-risk traffic through, add friction (a verification step, a CAPTCHA, step-up auth) when a relay or anonymizer flag shows up alongside other risk signals at a sensitive moment such as signup, login, or checkout, and reserve hard blocks for genuinely high-risk combinations. Because you first need the real client IP before you can score it, make sure you are reading the visitor's IP correctly behind your proxy or CDN, then decide what to do with what you find.

Test an IP yourself

Run any address through the Proxy & VPN Detection API to see the relay, VPN, proxy, and cloud flags, along with the provider name and threat score. The detection data is a paid feature, and a premium trial is available on request, so you can check how Private Relay and WARP land in your own traffic before you commit.