MQTT Commander
Watch your MQTT broker live
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About
Monitor your MQTT broker's activity in real-time with live topic updates and detailed payload inspection. Visualize data trends, manage messages, and publish new ones with advanced options. Troubleshoot connection issues with a guided diagnostic tool.
What's New in MQTT Commander
1.2.0
August 11, 2026
• A broker on your home network now gets the iOS Local Network prompt it needs. If you miss or deny it, the failed connection names the missing permission and points you to the toggle. • First launch now opens a diagnostics screen. You see the crash reports and anonymous usage data the app collects, with a toggle to turn either off.
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FAQ
What is MQTT Commander?
MQTT Commander is a utility app designed to monitor and manage MQTT brokers in real-time. It allows users to view live topic updates, inspect payloads, publish messages, and diagnose connection issues.
What devices does MQTT Commander support?
MQTT Commander is available for iPhone and iPad devices running iOS 17 or later. It requires local network access to connect to brokers on your LAN.
Is MQTT Commander free to use?
The core features of MQTT Commander are free, allowing you to watch topics, read payloads, publish messages, and use the Connection Doctor. A one-time Pro unlock is available for advanced features like widgets and unlimited pins.
Does MQTT Commander have ads?
No, MQTT Commander does not contain advertisements. The developer has stated there is no ad tracking and no data is sold.
How often is MQTT Commander updated?
The latest version, 1.1.7, was released on 2026-08-11. The app was initially released on 2026-06-17, indicating active development.
What makes the Pro version of MQTT Commander worth it?
The Pro version offers widgets for the Lock Screen and Home Screen, unlimited topic pins, history that survives restarts, whole-broker discovery, more broker profiles, certificate and mTLS identities, Siri and Shortcuts integration, and log export options.
How does the Connection Doctor work in MQTT Commander?
The Connection Doctor guides you through 13 stages of a connection attempt, identifying the specific point of failure such as DNS, TLS handshake, authentication, or protocol version. It provides the stage, reason, and suggested changes.
What is the age rating for MQTT Commander?
MQTT Commander has an age rating of 4+, making it suitable for a wide range of users.