NetTerminal turns your iPhone into a powerful network diagnostic terminal. Designed for IT professionals, network admins, and curious users, NetTerminal puts a Linux-style command prompt right in your pocket. FREE COMMANDS • ping — test host reachability • dig / nslookup — DNS lookups (A, AAAA, MX, NS, TXT, SOA) via DNS-over-HTTPS • whois — domain registration lookup • man — built-in Linux command manual • ifconfig / ipconfig — local network interface info PRO COMMANDS (one-time IAP, unlock forever) • traceroute / mtr — visualize packet routes • portscan / nmap — open port scan with service version detection • speedtest — bandwidth via Cloudflare endpoints • ssh / connect — full SSH client • wifi — Wi-Fi signal and connection diagnostics • monitor — continuous host availability with charts • diagnose — one-tap PDF diagnostic report • subnet — subnet calculator (equal-size + VLSM) • myip — smart public IP detection (multi-source, VPN/proxy detection) • http / https / curl — HTTP request tools • base / radix — number base conversion + bitwise operators • explain — AI explains Linux commands in Chinese (BYO Claude / OpenAI API key) • voice — voice command input • history / alias — command history with custom aliases DESIGN • Linux-style green-on-black terminal aesthetic • Familiar command syntax • Auto-complete and command suggestions PRIVACY FIRST We don't track you. Everything runs on-device or against the services you explicitly query. Perfect for: troubleshooting Wi-Fi, learning networking, managing remote servers.