NetDebug Toolkit vs NetInspector

NetDebug Toolkit is the all-in-one network diagnostics suite for developers, sysadmins, IT teams, and power users. 20 pro-grade tools on iPhone, iPad, and Apple TV. Fast. Focused. No account. No tracking. Diagnose connectivity, DNS, routing, ports, certificates, throughput, and local-network services from one clean interface: NETWORK CORE • Ping : ICMP or HTTP HEAD reachability with timing and packet-loss stats • Traceroute : hop-by-hop route inspection • HTTP(S) Check : status, redirect chain, headers, TLS summary • Speed/Latency Baseline : download/upload presets from 1 MB to 64 MB • iperf3 Client : TCP throughput against an external iperf3 server (upload or download) • Public IP + Geo / ASN / ISP : current WAN IP with carrier and location detail • Path MTU Discovery : largest packet a route carries, black-hole detection, the constricting hop, and safe inner MTU for VPN DNS & DOMAIN • DNS Lookup : forward (host to A/AAAA) and Reverse DNS (IP to PTR), auto-detected from input • DNS Record Explorer : A, AAAA, CNAME, MX, TXT, NS, SRV via DNS-over-HTTPS (custom resolver supported) • Whois : RDAP or IANA WHOIS mode, with chained referrals SECURITY & TLS • TLS Certificate Inspector : full chain, validity, SANs, signature algorithm, weak-cert signals • Subnet Calculator : IPv4 and IPv6, usable host range, broadcast, gateway hints PORTS & CONNECTIVITY • Port Scan : custom ports or ranges • TCP/UDP Connect : per-port reachability with built-in UDP profiles (DNS, NTP, SNMP, SIP, RADIUS, TFTP, memcached) • NTP Time Check : clock offset vs. any NTP server with delay, stratum, and leap details • External Port Check : "can the internet reach me?" TCP port-forwarding test from an outside server (open/closed/filtered) • Run History & Trends : every run is saved on-device with charts of latency, speed, and more over time (free; longer retention with a purchase) LOCAL NETWORK • LAN Scan : fast or deep subnet host discovery • mDNS / Bonjour Browser : AirPlay, HomeKit, Matter, printers, SMB, SSH, and more • UPnP / NAT-PMP Discovery : router gateway port-mapping introspection • Wake-on-LAN Sender : send magic packets to wake compatible devices POWER-USER WORKFLOW • Saved Hosts : store frequently used IPs, hostnames, and MAC addresses with per-host tool defaults • My Automation : chain multiple tools into one-tap workflows with a combined PDF, PNG, or text run report • Export & Import : portable JSON files for automations and saved hosts (iOS share sheet, tvOS QR-code download) • Universal Links & Deeplinks : open any tool from a URL with pre-filled inputs, auto-run, and auto-export, e.g. https://netdebug.developerinsider.co/open/ping?target=1.1.1.1&export=pdf • Copy Deeplink : every tool and saved automation can copy its own shareable Universal Link • Built-in tool docs : quick-reference markdown for every tool APPLE TV / tvOS • Full feature parity : every tool, Saved Hosts, My Automation, and all three in-app purchases ship on Apple TV • LAN-only QR-code export : Apple TV serves run reports and JSON exports over a one-shot HTTP server; scan the QR with your phone to download LOCALIZED IN 21 LANGUAGES English, Arabic, Bengali, Chinese (Simplified), Dutch, French, German, Hindi, Hinglish, Indonesian, Italian, Japanese, Korean, Polish, Portuguese (Brazil), Russian, Spanish, Thai, Turkish, Ukrainian, Vietnamese. OPTIONAL IN-APP PURCHASES One-time, non-consumable, with Family-Sharing support and a single Restore Purchases action: • Remove Ads : disable all banner and interstitial ads • Unlimited Automations : lift the free-tier limit • Remove Ads + Unlimited Automations bundle : discounted starter pack Important: Use only on systems and networks you are authorized to test. Results are best-effort and may vary by network conditions, target configuration, and third-party service availability. Questions or bug reports? https://netdebug.app/support.html

NetInspector shows you what is answering on your Wi-Fi, and remembers it, so you can see what changed. Tap Scan and every device that responds appears on an interactive 3D map: your router at the centre, the Internet above it, and everything else grouped around it by what it looks like — computers, phones, smart-home gadgets, cameras, printers and TVs. Every one shows its address at a glance. Tap for details, pinch to zoom, drag to turn the map around. WHAT YOU SEE • The name a device reports, from Bonjour or reverse DNS • Its IP address, and the open ports it answers on • How fast it replied • A best guess at what kind of device it is • Exactly when it was last seen, to the second WHAT CHANGED NetInspector keeps every scan and compares each one with the one before, so you can see when an address started answering, stopped answering, changed the name it reports, or opened and closed ports. New and changed entries are highlighted on the map, and ones you have not seen for a while drift towards its edge. The Addresses tab is the longer view: every address that has ever answered on this network, when it was first and last seen, and how many scans it appeared in — which is how you tell a fixture from a visitor. WHAT iOS DOES NOT ALLOW, AND WHY IT MATTERS Apple does not give apps on iPhone or iPad access to hardware (MAC) addresses. No app can read them, and NetInspector will not pretend otherwise. That has two consequences worth knowing before you buy into anything: • There is no manufacturer column. Manufacturer is looked up from the hardware address, so without it there is nothing to look up. • Devices are identified by IP address alone. If your router gives a device a new address, it appears as a new entry; if it reuses an old address for something else, that looks like the same entry. The app says so on screen rather than quietly guessing. If you want a device followed across address changes, that needs a Mac. The macOS version of NetInspector reads hardware addresses and tracks devices properly. FINDS DEVICES OTHERS MISS Discovery combines ping, TCP connection checks and Bonjour, so devices that ignore ping still show up. You choose which ports to check and how many addresses to test at once. PRIVATE BY DESIGN Everything stays on your device. No account, no analytics, no advertising, and nothing is sent to us or to anyone else. Erase your history whenever you like.