MQTTAnalyzer is an iOS App designed to facilitate connecting to your MQTT broker and subscribing to topics. It offers various features to enhance your MQTT experience. The app provides authentication options through username/password or client certificates, supports MQTT or Websocket connections, and includes SSL/TLS support with self-signed certificates compatibility. Additionally, it covers MQTT versionsand 5, offers Siri shortcuts for message actions, data visualization with charts, and the ability to manage multiple broker settings efficiently.

With MQTTAnalyzer, users can subscribe to multiple topics, access messages in both folder and flat views, and utilize full-text search for topics and payloads. The app also highlights and formats JSON data, allows message publishing including JSON messages via a form, and supports syncing settings through a private iCloud database. Users can pause connections, connect to multiple brokers simultaneously, view binary payloads in hex format, and benefit from predefined settings for AWS IoT. Notably, MQTTAnalyzer is free, ad-free, and open source, welcoming contributions from the community.