MQTTInspector is a monitoring app designed by Christoph Krey for iPhone users. This utility allows users to connect to an MQTT broker, subscribe to multiple topics, and publish text payloads for debugging purposes. It serves as a versatile tool for managing MQTT connections and payloads efficiently.

The app provides a user-friendly interface for viewing payloads published to specific topics of interest. Users can effortlessly publish payloads to desired topics with a simple tap, making it a handy tool for monitoring and debugging MQTT communications. Compatible with both iPad and iPhone, MQTTInspector offers a convenient solution for managing MQTT connections on the go.