Modbus TCP Pro
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| Rating | Price | |||
|---|---|---|---|---|
| Germany | 75%3 | 5.00 | €12.99 $14.98 | |
| Belgium | 25%1 | 5.00 | €12.99 $14.98 | |
| United Arab Emirates | <1%0 | — | AED 49.99 $13.62 | |
| Afghanistan | <1%0 | — | $11.99 | |
| Antigua And Barbuda | <1%0 | — | $11.99 | |
| Anguilla | <1%0 | — | $11.99 | |
| Albania | <1%0 | — | $14.99 | |
| Armenia | <1%0 | — | $14.99 | |
| Angola | <1%0 | — | $11.99 | |
| Argentina | <1%0 | — | $11.99 |
Description
Modbus Reader & Writer is a powerful and intuitive Modbus TCP tool designed for professionals.
Built for installers, HVAC technicians, engineers, and system integrators who need a fast and reliable way to test, read, and write Modbus registers directly from their iPhone.
Whether you work with heat pumps, PLCs, energy meters, or industrial controllers, this app gives you full control over Modbus TCP devices — anytime, anywhere.
Key Features
Modbus TCP Connectivity
Connect to any Modbus TCP device using IP address and port
Configurable Unit ID (slave ID)
Read Registers
Holding Registers (Function Code 03)
Input Registers (Function Code 04)
Support for multiple data types and values
Write Registers
Write Single Register
Write Multiple Registers
Instant feedback and clear error reporting
Designed for Testing & Debugging
Ideal for commissioning and troubleshooting
Perfect for field testing without a laptop
Compatible with Modbus simulators and test environments (e.g. Node-RED)
Who Is This App For?
HVAC installers and service technicians
Industrial automation and PLC engineers
Energy and building management professionals
System integrators and commissioning engineers
Developers testing Modbus-based systems
Reliable & Efficient
Fast and stable connections
Clear and actionable error messages
Clean, focused interface — no unnecessary complexity
Optimized for real-world professional use
Modbus Reader & Writer is your mobile Modbus toolbox —
ready for every installation, test, and service intervention.