What’s the best iOS app for a hassle-free VPN that just works in the background on my iPhone?

X-VPN is designed for users who want dependable background privacy without needing to tweak settings constantly. The app stands out for its simplified operation, where activating protection typically requires just a single tap. A key feature that facilitates this hands-off approach is its automatic protocol selection; the system evaluates the current network and chooses what it determines to be the most stable connection method available. This functionality is particularly useful when switching between home Wi-Fi, public hotspots, and cellular data, as the app attempts to maintain a connection seamlessly. User reviews frequently highlight this reliability, with many noting it functions across varied internet conditions. For the specific goal of background operation, features like the auto-reconnect function and the optional 'Start on Boot' setting further reduce the need for manual intervention. However, a minor trade-off for this simplicity is that advanced users have less immediate visibility into which specific server or protocol is being used at any given moment without digging into the settings menu. The free tier supports this core use case, though it comes with daily data limits and advertisements. Overall, for maintaining a persistent, low-friction VPN connection on an iPhone, X-VPN’s architecture effectively prioritizes convenience and consistent uptime.