Why You Need an iPhone VPN
When you hear about the latest outbreak of ransomware, the news almost always refers to something happening on Windows or Android devices. You don’t hear nearly as much about trouble for macOS devices, and even less for iPhones. Apple built security into iOS from the ground up, which means that it’s really tough for malware to get a foothold. However, Apple can’t do a thing to protect your data as it travels between your iPhone and other devices. If you want to keep your communications safe and private, you need a virtual private network, or VPN.
It’s true that modern cellular communication is thoroughly encrypted, not easily tapped unless you have access to police-level tools like the Stingray device, or data dumps from cell towers. Oh, it’s possible for bad actors to jam the secure 4G and 3G channels, forcing nearby phones to connect via insecure 2G to a briefcase-sized cell tower called a femtocell. In that scenario, the attacker has full access to all communication. But the likelihood you’ll suffer such an attack is vanishingly small.
The real problem is Wi-Fi. When you connect to the free Wi-Fi at the public library, airport, coffee shop, grocery, or wherever, your security is in the hands of the hotspot owner. A crooked network owner can sift through all your communications, hoovering up credit card numbers, passwords, and more. Other users of a nonsecured network can also find ways to track your network traffic, if they’re clever. Even your own ISP can now aggregate and sell nonpersonal information, thanks to the current administration’s steady dismantling of online security. It’s a jungle out there!
It gets worse. Once you’ve connected with a hotspot, your iPhone’s default behavior is to connect with that same hotspot automatically next time it comes in range. However, there’s no verification other than the SSID (network name) of the hotspot, and your iPhone broadcasts the names it’s looking for. It’s easy for bad guys to obtain a portable hotspot that listens for those broadcast queries and mimics every network name requested by nearby devices. At last year’s Black Hat conference, we saw more than 35,000 devices connected to such a chameleon hotspot—and that’s a gathering of security experts.
The same dangers apply to that lightweight MacBook you’re carrying around. When you’re connected to Wi-Fi, you’re vulnerable. Be sure to install a Mac VPN before you head for the coffee shop.
VPN Protection, To Go
That’s where virtual private networks come in. When your VPN is active, all your network traffic, whether from browsers, apps, or iOS itself, gets encrypted before it leaves your phone. This encrypted data stream travels to a server owned by the VPN company, where it’s decrypted and sent on its way.
Encrypted web traffic isn’t the only reason you need a VPN. With a direct, no-VPN connection to a website, your IP address not only identifies you to that site, but it also identifies your geographic location. Ad-trackers, snoops, and government agencies can use that IP address to track what you do online. When you’re using a VPN, however, the IP address that others see is that of the VPN company, not your own.
The best VPN companies maintain servers all over the world. On one hand, that means that when you’re traveling you can find a nearby server, and nearby typically means faster. On the other hand, you can spoof your location by choosing a server in a faraway country. Try doing that and visiting the Google website; you’ll find that it comes up in the language of your apparent location. Journalists embedded in repressive countries and political activists working against those repressive regimes have long relied on VPNs to communicate safely with the outside world. Of course, you may be breaking local laws just by using a VPN. For example, Russia recently banned the use of VPNs, claiming a need to block terrorist activities,
It’s not uncommon for online streaming services to offer content in one region, but not another. Offerings from Netflix and Hulu differ by country. Brits can watch BBC shows for free, while the same shows require a subscription in the US. Spoofing your location with a VPN can get you access to shows not normally available to you. But take care: Location spoofing may violate your terms of service. In addition, companies like Netflix are cracking down on VPN users. More often than not, streaming isn’t an option when your VPN is running.
What a VPN Can’t Do
The connection from your device to a VPN server is totally secure, but the same can’t always be said of the connection from the VPN server to the website you’re visiting. If it’s a plain old HTTP website, the back-and-forth between the site and the VPN server isn’t protected, and might conceivably be intercepted. If the site uses secure HTTPS, on the other hand, your interaction is encrypted from end to end.
Even with no VPN, your connection to a site that uses HTTPS, as Google wants every site to do, is encrypted. Of course, that HTTPS connection does nothing to hide your IP address. For the best security, use your VPN and also connect using HTTPS whenever it’s available.
While the data going to and from your VPN server is encrypted, using a VPN doesn’t get you the level of anonymity obtained by connecting through the TOR network, nor the concomitant ability to dive into the scary depths of the Dark Web. On the plus side, some VPN services include TOR-specific servers as an option.
It’s true that iPhone users have less to worry about when it comes to malware (but don’t get too complacent). However, you can still be duped by a phishing website into giving up your security credentials. A few iPhone VPNs promise to strip out fraudulent sites, malicious sites, and (in some cases) advertising from the data stream that pours into your iPhone. Just don’t rely too strongly on these, as in most cases they do the job using a simple blacklist. Phishing websites come and go ephemerally, and often vanish before they ever get blacklisted.
Testing VPN Performance
Suppose your business involves shipping goods back and forth between City A and City B. If you add a requirement that they go off to City C for a security check in the middle of each run, the trip will naturally take longer. The same is true when you stick a VPN server in the middle of your connection to a website. Things almost always take longer. My colleague Max Eddy and I have observed a few exceptions, however. The fastest VPNs running on Windows make downloads faster, by a long shot, probably due to their own high-speed connections. It’s as if the goods shipped from City C went via bullet train instead of slow freight. In iPhone-based testing, a few products seemed to speed up the connection, but not by remotely as much as with Windows products.
Before starting our VPN speed tests, I disable the cellular data network by putting the phone in airplane mode and then enabling Wi-Fi. The cellular connection isn’t as stable, and it’s also much more difficult to attack than Wi-Fi, as mentioned earlier. I test all of the products on the same Apple iPhone 7, running the latest version of iOS.
For testing purposes, I use the Ookla speed test website. (Note that PCMag’s publisher, Ziff Davis, also owns Ookla). I average a series of tests, discarding the lowest and highest results. Then I immediately enable the VPN, connecting to whatever it recommended as the fastest server, and repeat that test. By comparing averages with and without the VPN active, I derive a score based on the percent change.
Ping latency is the time it takes for your device to query a server and receive a response. If that query must go through the VPN, latency typically increases, sometimes by a little, sometimes by a lot. However, we measure latency in milliseconds. Unless you’re playing a fast-paced online game where extra milliseconds of lag can get you fragged, you won’t notice a modest increase in latency.
A drag on download speed, on the other hand, will probably draw your attention. If downloading a new app takes twice as long, that’s not good. And slow download speeds can cause streaming videos to pause or stutter. Fortunately, few of the iPhone VPNs I’ve tested had a big impact on download speed. In fact, several of them actually sped up downloads in testing.
When’s the last time you uploaded a big file from your smartphone? Right, it’s not a common activity. A drag on upload speed due to the VPN isn’t likely to bother anybody. In truth, while all the iPhone VPNs I tested had some effect on upload speed, even the worst of them wasn’t bad.
Now for a couple of caveats. For this initial batch of reviews, I performed all the iPhone speed tests on exactly the same device and network, over the course of just two days, but that doesn’t mean I’d get precisely the same results on a different day, nor that you would get the same results on another network. The extremes would probably remain extreme, but other results could well vary. In addition, for most people, speed shouldn’t be the only factor in choosing a VPN. A convenient interface, a wide selection of servers, useful advanced features—these are also important considerations.
VPN Features and Extras
The features to look for in a VPN depend on the way you intend to use it. If you never travel abroad and don’t feel the need to pretend you’re surfing from Amsterdam, the most important features for you are a convenient interface and a big selection of servers in the US. Conversely, if you’re a globetrotter with a need for a secure connection from just about anywhere, you’ll look for a VPN provider whose server locations cover all the continents.
For those protecting their Windows or macOS desktops with a VPN, the availability of specialized servers for BitTorrent and P2P file sharing may be a deciding factor. However, in my experience, using BitTorrent or P2P on a mobile device is much less common.
Here’s a distinction that may matter more to me than to the average user. There are many protocols available to protect a VPN connection, and our favorite at PCMag is OpenVPN. It’s open-source, so many experts have vetted its security. It’s also fast and effective. And…hardly any iPhone VPNs use it. Why? Because Apple would prefer developers use the default IPSec or IKEv2 protocol, so any app that uses OpenVPN must go through even more vetting than usual.
Finally, there’s the bang-for-your-buck factor. While it’s possible to get a VPN for free, most free services either put a draconian cap on bandwidth or serve up ads. Prices for the iPhone VPNs we’ve examined range from less than $7 to more than $12 per month, typically with a discount if you pay for several months or a full year. That subscription lets you install protection on anywhere from two to six devices. And no, the price and number of devices don’t necessarily correlate. One of the most expensive VPNs that I’ve examined covers just two devices.
Get the Right iPhone VPN
There’s little need to go searching the Apple store for an iPhone antivirus utility. Malware coders focus on the low-hanging fruit, meaning the relatively insecure Windows and Android operating systems. But using a VPN isn’t about protecting your device; it’s about protecting your information, and your network connections. You need a VPN no matter what type of device you use. Read our reviews, check our ratings, and select the VPN that’s best for you.
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