Test your MQTT broker
Check your broker connection, publish a test message, and confirm you’re receiving it.
Read the guideConnect to your broker, follow topics and send a command. A native MQTT client for Mac, iPhone, iPad and Android.
Free download. Optional Pro features.

A focused workflow for your workbench, home lab or a device in the field.
Keep named profiles for your projects. Choose MQTT 3.1.1 or 5.0, with TCP, TLS or WebSocket.
Follow incoming messages, filter by topic and open a readable JSON preview.
Save frequent commands as quick actions. Export a session as JSON or TXT when you need a record.
AirMQTT is a client that connects to your MQTT broker. Apple devices use iCloud for saved profiles; Android stores profiles locally.
MQTT guides in English
Check your broker connection, publish a test message, and confirm you’re receiving it.
Read the guideLearn how MQTT topics are structured, use wildcards, and organize messages more effectively.
Read the guideSend the same command again with one tap, useful for testing, debugging and daily device control.
Read the guide