Modbus
Run connection and test scenarios over the Modbus protocol.
Completely free
Ranaliz iOT Tester
One desktop test app for Modbus, IEC-104, MQTT, and Zigbee
Test four protocols in a single application—no need for separate tools. Available on macOS and Windows, with no fee.
Protocols
Four protocols, one app
Run common industrial and IoT protocol tests from the same interface—in the field or in the lab.
IEC 60870-5-104
Manage IEC-104 communication and test workflows in one place.
MQTT
Perform MQTT messaging and connectivity tests.
Zigbee
Run Zigbee protocol test and verification steps.
Interface
Screenshots
Sample frames from the application UI.
Screenshots coming soon.
Why iOT Tester?
One app, four protocols, zero cost
01
Single application
No need to install separate tools for Modbus, IEC-104, MQTT, and Zigbee.
02
Completely free
No license fee. Download and start using it.
03
Desktop
A native desktop app for macOS and Windows.
System requirements
Which systems are supported?
macOS — recent versionsWindows 10 and later
FAQ
Frequently asked questions
Who is it for?+
Built for field engineers, system integrators, and teams that need to verify protocol connectivity.
Is it paid?+
No. Ranaliz iOT Tester is completely free.
Which operating systems are supported?+
macOS and Windows (Windows 10+).
How is it different from the energy monitoring platform?+
iOT Tester is a protocol test application. The Ranaliz Energy Monitoring Platform is a web-based monitoring, alarm, and operations SaaS—they are different products.