Monitor and debug MQTT brokers on your Apple devices. Visualize data with hierarchical views, JSON highlighting, and charts. Publish messages, manage multiple brokers, and sync settings across devices. Free and open source.






43+ iOS apps curated and reviewed
If you already know MQTTAnalyzer, this is the deeper bench. 43+ cqlt apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.






Monitor and debug MQTT brokers on your Apple devices. Visualize data with hierarchical views, JSON highlighting, and charts. Publish messages, manage multiple brokers, and sync settings across devices. Free and open source.




Manage your finances on the go with secure access to your accounts. Check balances, view transactions, make transfers, and deposit checks. Locate nearby branches and ATMs easily.






Navigate campus buildings with smart indoor maps, even without GPS. Find and get directions to campus news, events, and points of interest like restaurants and restrooms.


This app provides Caltech students with easy access to essential resources, including support services, Title IX information, and emergency contacts. It also keeps students updated on the latest campus news and announcements.


This tool provides a quick and easy way to look up Q Codes, a standardized collection of codes used in radiotelegraph communication, particularly in amateur radio. Try it out to instantly find the Q Code you need!


Create DIY smart home projects quickly with a configurable dashboard. This app supports MQTT and Websocket protocols with SSL for secure communication. It offers real-time updates, customizable panels with over 250 icons, and various data visualization options.


Inspect MQTT messages exchanged on a broker with this intuitive utility. Connect to brokers, subscribe to topics, and view message details. Features include JSON highlighting, hex viewer, and secure connection options.


This application acts as an MQTT client for iOS devices, enabling interaction with any MQTT broker. It offers a user-friendly interface for managing home automation setups, controlling devices, and monitoring remote brokers. Advanced features can be unlocked through an in-app purchase.




This professional client facilitates communication with MQTT brokers, supporting versions 3.1.1 and 5.0. It allows users to subscribe to topics, publish messages, and view detailed message metadata. Features include payload formatting, SSL support, and both dark and light modes.


Prepare for the Air Force Officer Qualifying Test with realistic practice tests, flashcards, and detailed analytics. Study smarter for Pilot, CSO, ABM, and Academic Aptitude scores to build confidence for test day.


This utility app helps test MQTT connections for IoT devices and mobile applications. It allows users to connect to MQTT servers, publish and subscribe to messages, and save connection details and topics for easy recall. It's designed for debugging MQTT connections.


Transform your photos into cosmic portraits by placing yourself in a virtual spacesuit against stunning NASA imagery. Share your creations on social media and discover the scientific stories behind the captivating visuals.


Access personalized news, save articles for later, and customize push notifications. Enjoy a digital replica of the daily newspaper and read content offline. Navigate easily with a top bar and swipe gestures.




This application provides a comprehensive reference for Tactical Data Links (TDL) and MODAF. It includes detailed catalogues for Link 11, Link 16, and Link 22 messages, along with network participation group information and an acronym finder.


This utility app acts as a client for the MQTT protocol, enabling connections to MQTT brokers. It allows users to subscribe to topics and publish messages, and can retrieve real-time data from specific hardware modules.





