404 Network vs DevPocket

404 Network is the most comprehensive network diagnostics toolkit for iOS and macOS. Whether you're a network engineer troubleshooting connectivity or a security enthusiast auditing your home network, 404 gives you professional-grade tools in a beautiful native app. CORE TOOLS (FREE) • Real ICMP Ping with live latency charts • Visual Traceroute with hop-by-hop analysis • DNS Lookup with multiple server comparison • Speed Test with ISP detection • WiFi Info with signal strength monitoring • Port Scanner with service detection • Network Discovery with live topology map • Wake-on-LAN for remote device power • HTTP Probe for web server testing • Whois domain lookup PRO FEATURES • 70+ network diagnostic tools • Unlimited saved devices with background monitoring • Full port scan results with banner grabbing • 30-day diagnostic history with CSV/JSON/PDF export • Color tags, device groups, and topology presets • Community speed map — compare ISP performance in your area • Security Audit with vulnerability detection • WiFi Channel Analyzer • Smart Home device diagnostics • LAN Speed Test and Micro Speed Logger PRO+ ADVANCED • AI Assistant powered by Claude or on-device Apple Intelligence • AI-guided Security Audit and Penetration Test flows • Remote Sensor dispatch — run tools from multiple network vantage points • BLE Scanner Pro with GATT exploration and characteristic writing • NFC Toolkit — read, write, and clone-detect NFC tags • SSH Tester, SNMP Walker, Credential Checker • Subdomain Finder, CORS Checker, CSP Analyzer • Packet Crafter, Payload Library, Directory Scanner PRIVACY FIRST • No ads. No tracking. No analytics. • All network data stays on your device • Community features are opt-in with location rounded to ~500m • AI features require your own API key — we never see your data • Full GDPR compliance with data export and deletion

DevPocket is your all-in-one utility app designed specifically for developers. Featuring 15 powerful tools, almost everything works completely offline (except the API client). Verify, format, and test your code quickly, even when you're on the go and can't open your laptop. [ Core Features ] *Regex (Regular Expressions) Real-time regex testing with syntax highlighting Detailed Capture Groups viewing *JSON Tools JSON validation, formatting, and minification Interactive Tree View for complex data *API Client (Requires internet) Lightweight HTTP client for REST API testing Quick cURL command import Request history for fast re-testing *12 Handy Utilities Base64 Encoder / Decoder URL Encoder / Decoder JWT Decoder UUID Generator Lorem Ipsum Generator QR Code Generator Hash Generator (MD5, SHA, etc.) Color Converter (HEX, RGB, etc.) Base Converter Unix Timestamp Converter String Case Converter (CamelCase, snake_case, etc.) Text Diff Viewer [ Highlights ] Fully offline capable (excluding API tester) Optimized for both Light and Dark modes Ad-supported with a one-time $1.99 IAP to remove ads