JCH MQTT Monitor

Your MQTT tool

$2.99 · Designed for iPad

Your MQTT toll for iPhone, iPad and Mac. JCH MQTT Monitor is your go‑to tool for developing, testing, and operating IoT/IIoT systems — with native Sparkplug B and MQTT 5 support. Create connections, live‑subscribe to topics, view message details with syntax highlighting, publish messages, export your tracked log and reuse your favorites. Features: Fast navigation with saved favorites for connections, topics and different types of messages. MQTT 3.1.1 & 5: QoS 0–2, retain, content type, user properties, response topic, correlation data. Sparkplug B: Send NBIRTH/NDATA/NDEATH/DBIRTH/DDATA/DDEATH, pick metric types. Publish: Fast sending, JSON validation, reusable favorites with placeholders. Visualization: view and compare values in custom diagrams Subscribe: Live view, wildcards, filters, history. Connections: Websocket, TLS/SSL, username/password. MQTTTraffic Analyser: Connection stability, message frequency & size, QoS / retain usage, topic structure. UX: Clean, fast, optimized for testing and debugging. Perfect for device bring‑up, telemetry testing, backend integration, and Sparkplug B PoCs.

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- Introducing the first version of "CodeAssist" for easier payload generation.

Version 3.1.0

The developer, JOACHIM CHRISTOF HUBEN, 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, for example, based on the features you use or your age. Learn More

    Accessibility

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

    Information

    • Seller
      • JOACHIM CHRISTOF HUBEN
    • Size
      • 10.5 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires iOS 16.6 or later.
      • iPhone
        Requires iOS 16.6 or later.
      • iPad
        Requires iPadOS 16.6 or later.
      • Mac
        Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Age Classification
      4+
    • Copyright
      • © 2025, Joachim Christof Huben
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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