Modbus Monitor
Modbus Monitor application runs on Android and Windows Platforms. The app talks Modbus protocol using several types of interfaces and depending on the platform. The app polls the Modbus TCP or RTU devices using Wi-Fi, Bluetooth, or Serial Ports from mobile devices (Android platform) or Windows desktop computers. The app also has a built-in TCP Server or RTU Server and has advanced logging features.
Android - Modbus Monitor (Free)
Modbus Client for Android Application
Modbus Client
4 Interfaces: (1) Bluetooth SPP & BLE, (2) Ethernet, (3) Wi-Fi, (4) RS232/485 USB Serial ports OTG
2 Protocols: Modbus TCP, Modbus RTU
Android -Modbus Monitor Advanced
Modbus Client, Server, and Sensor Server in a single Android Application
Modbus Client, and Modbus Server
4 Interfaces: (1) Bluetooth SPP & BLE, (2) Ethernet, (3) Wi-Fi, (4) RS232/485 USB Serial ports OTG
8 Protocols: Modbus TCP, Enron/Daniels TCP, Modbus RTU over TCP, Modbus UDP, Modbus RTU over UDP, Modbus TCP Slave/Server, Modbus RTU, Modbus Serial ASCII
Modbus Client, Server, Scanner, and Uploader in single Windows 10 and 11 Application
Modbus Client, Server, Scanner, and Uploader
2 Interfaces: (1) Ethernet and Wi-Fi (2) RS232, 485, USB COM Serial ports, or Serial Port over Bluetooth SPP and BLE
9 Protocols: Modbus RTU, Modbus ASCII, Modbus TCP, Modbus UDP, Modbus RTU over TCP, Modbus ASCII over TCP, Modbus RTU over UDP, Modbus ASCII over UDP, Modbus Serial ASCII
Arduino Modbus RTU Example, and Arduino Modbus RTU Source Code