The idea is to have a monitor app with which you can connect to an MQTT broker, subscribe to a number of topics and publish a text payload to a topic or two for debugging purposes.

The result is a pretty versatile utility for your MQTT toolchest. It serves as a viewer with which you can observe payloads being published to topics you're interested in, and you can publish payloads to topics at the tap of a button. The app is designed to work on both iPad and iPhone.

What’s New

Version 5.0.5

Bugfixes MQTTv5 tested with pahotest, vernemq, hivemq

Ratings and Reviews

4.0 out of 5
5 Ratings
5 Ratings
BBustin ,

Works well

Program works well. The only thing I would love is to be able to have the publish buttons allow me to enter arbitrary numbers. This helps if, for example, you want to change a temperature setting.

NewHero ,

Promising but confusing and unstable

Was not able to get this to work. It looks like there are lots of options, and the scope is ambitious, but it crashed and lost my configuration three times in the first five minutes. I went with another option that doesn't have all the apparent features, but it works. I would ask for a refund for this app unless it gets fixed. Usability is also in need of a lot of inprovement.

Markj ,


This is a very helpful tool if you are working with mqtt. Quick to set up and the display gives a lot of information in the small iPhone screen.


Christoph Krey
3.6 MB
Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2013-2018 Christoph Krey


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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