Net Diagnostic Toolbox

A healthier network starts here.

Net Diagnostic Toolbox is a network health checker and troubleshooter built for Apple platforms. One tap tells you if your network is fine; pro tools help you find out exactly where the problem is.

ONE-TAP DIAGNOSTIC
A full check in ~30 seconds: interface, Internet, DNS, ping, HTTPS, IPv6 and download speed — with a health score, issue analysis and actionable suggestions.

PRO NETWORK TOOLS
• Ping: latency, jitter, packet loss with live charts
• Traceroute: per-hop latency to locate bottlenecks
• DNS lookup: A/AAAA/CNAME/MX/TXT records, Cloudflare/Google/Quad9, server comparison
• Port check: quick TCP service detection
• HTTP check: status, redirects, DNS/TCP/TLS timing breakdown
• TLS certificate: validity, issuer, chain, expiry warning
• IPv4/IPv6 dual-stack testing
• IP info: local & public IP

SPEED TEST
Powered by Cloudflare edge nodes. Download, upload, latency and jitter — with quality ratings for 4K streaming, gaming and video calls.

LAN TOOLS
Discover routers, NAS devices, printers and smart-home gadgets; inspect open ports and Bonjour services.

PRIVACY FIRST
Diagnostics stay on your device. No account, no tracking, no upload.

PRO — ONE-TIME $0.99
Full diagnostics, advanced ping/dns/port, full speed test, unlimited history & favorites, PDF/JSON reports. Buy once, use on iPhone, iPad and Mac. No subscription, no ads.

Note: LAN discovery works only on networks you own or are authorized to use.