404 Network

Utilities

Free · In-App Purchases

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

  • This app has not received enough ratings or reviews to display an overview.

• Redesigned local network discovery on Mac — clearer device map and inspector • Sharper, more readable colors and improved accessibility across the app • More reliable monitoring: no more false "offline" alerts when your own connection drops • SSH terminal now auto-reconnects when you switch between Wi-Fi and cellular • Faster, steadier history and settings screens • Numerous fixes, polish, and stability improvements

The developer, Christine Martin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Size
    • 182.5 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.2 or later.
    • iPhone
      Requires iOS 26.2 or later.
    • iPad
      Requires iPadOS 26.2 or later.
    • Mac
      Requires macOS 26.0 or later.
    • Apple Vision
      Requires visionOS 26.2 or later.
    Languages
    English and 7 more
    • English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    • Pro+ Annual 399,00 kr
    • Pro+ Monthly 39,00 kr
    • 404 Pro 89,00 kr
    Provider
    Christine Martin
    • Christine Martin has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
    • Address
      1b rue de la marsoire
      44340 Bougunenais
      France
    • Phone Number
      +33 757691298
    • Email
      dev@kevinn.ie
    Copyright
    • © 2026 LorisLabs