VPN - Buck Super is a free utility designed for iPhone users, focusing on providing a secure and private internet connection. It features minimal data collection practices, ensuring user privacy while utilizing local processing and data obfuscation techniques. The app offers low-latency optimization, synchronizing speed and latency metrics every two seconds, which enhances the overall user experience with stable connections.

Additionally, Buck Super includes a real-time dashboard that displays latency, jitter, loss, and speed through dual smooth curves, allowing users to monitor their connection easily. The speed test feature is intuitive, with an animated progress indicator and a one-tap save function for history tracking. Users can also customize their experience through the Configuration Center, which supports building and importing settings via URL, folder, clipboard, or QR code scanning.