Apple is known for the strong security of its devices, so if your smartphone of choice is an iPhone, you probably expect that it comes with a certain level of protection. But if you want to increase your privacy, using a reliable and well-tested VPN, can come in handy. Without a virtual private network, your internet service provider can track your browsing habits on both iOS and MacOS, and other sites can collect your IP address. By itself, an iPhone can’t prevent either of those things, but the best iPhone VPN can.