NetProbe.

NetProbe is a complete network diagnostic toolkit for your iPhone. Eight
  professional-grade tools, zero subscriptions, zero ads, zero tracking.

  TOOLS INCLUDED:

  • LAN Scanner — Discover every device on your local network. See IP
  addresses, MAC addresses, vendor names, and set custom labels for easy
  identification.

  • Ping — Real ICMP ping with live latency charts. Monitor connection quality
   to any host with detailed statistics including min, max, average, and
  packet loss.

  • Traceroute — Map the complete network path to any destination. See every
  hop, latency, and reverse DNS hostnames between you and the target.

  • DNS Lookup — Query A, AAAA, MX, CNAME, TXT, NS, SOA, and SRV records.
  Choose from multiple DNS servers including Google, Cloudflare, Quad9, and
  OpenDNS.

  • Port Scanner — Check which ports are open on any host. Includes a built-in
   reference for common ports and services.

  • Whois — Look up domain and IP registration details via RDAP. See
  registrar, creation date, expiration, name servers, and more.

  • Wake-on-LAN — Send magic packets to wake devices on your network. Save
  your devices for quick access anytime.

  • Subnet Calculator — Calculate network addresses, broadcast addresses, host
   ranges, and subnet breakdowns from any IP/CIDR input.

  WHY NETPROBE:

  • One price, forever — Pay $2.99 once. No subscriptions, no in-app
  purchases, no recurring charges.

  • 7-day free trial — Try every feature before you buy. No credit card
  required to start.

  • Privacy first — No ads, no tracking, no analytics, no data collection.
  Your network data stays on your device.

  • Offline capable — All tools work without an internet connection for local
  network diagnostics.

  • Built with Apple frameworks — Pure SwiftUI, zero third-party dependencies.
   Fast, lightweight, and secure.

  NetProbe is an Under5 app. Honest tools, one price, forever.