SubnetSlinger

The network engineer's field toolkit — free on iPhone and iPad.

27+ tools that run entirely on your device. No cloud, no accounts, no tracking. Every tool unlocked.

DIAGNOSTICS
- Ping — live RTT sparkline
- Traceroute — hop tree with animated path
- Path ping — per-hop loss
- Path MTU — end-to-end MTU discovery
- Port scanner — live grid viz
- LAN Discovery — radar sweep with Live Activity + Dynamic Island

NETWORK
- DNS-over-HTTPS with record tree
- HTTP inspector
- TLS / SSL certificate inspector
- WHOIS lookup
- Public IP + interfaces + rDNS
- NTP client with drift viz
- Speed test with dial gauge

DISCOVERY
- Bonjour service browser
- Topology diagram — radial with live status rings
- Inventory + Hosts (SwiftData)
- Incidents timeline with markdown export

FIELD KIT (WiFi diagnostics)
- AP diagnostic — one-tap health check
- Network experience log
- Interface compare
- Path analyzer
- Radio info (cellular models)
- Captive portal detector
- TLS profiler
- VPN impact

UTILITIES
- Subnet / VLSM calculator
- MAC / OUI lookup
- Wake-on-LAN
- Syslog receiver
- TFTP server
- Cisco type-7 password decode
- Config hash verify

DEPUTY AI (opt-in, bring your own key)
Read-only assistant that explains tool output and drafts example commands. Works with Anthropic Claude, OpenAI-compatible endpoints, Google Gemini, or local Ollama. Every request scrubbed by redactor before it leaves the device.

POSSE MULTI-AGENT
Five specialist agents run in parallel — reachability, naming, layer-2, device health, security — plus a coordinator that merges everything into one severity-ranked report.

MCP SERVERS
Connect Deputy to your own Model Context Protocol servers over HTTP+SSE.

VAULT
Unified Keychain-backed credential store for SNMP secrets and Deputy tokens.

APP INTENTS + SIRI
Sweep the LAN, ping the gateway, or ping any host with a Shortcut.

MYIP HOME SCREEN WIDGET
Public IP at a glance.

PRIVACY BY DEFAULT
Deputy AI is off until you configure it. Local network access is asked once, up front. Home screen local network card requires a tap to reveal. No analytics. No third-party SDKs.