Modbus Poll Mobile

Serial & Network Modbus Tool

Only for iPhone

$2.99 · Designed for iPhone. Not verified for macOS.

iPhone

Modbus TCP master & monitor for engineers on the go. Poll registers, decode data, log to CSV, and diagnose devices in the field — right from your phone. Modbus Poll is a mobile Modbus TCP master and diagnostic tool for engineers, technicians, and integrators who need to check on PLCs, sensors, and industrial devices without carrying a laptop. CONNECT & POLL • Modbus TCP client — connect to any device on your network by IP and port • Read Coils, Discrete Inputs, Holding Registers, and Input Registers (FC01–FC04) • Write single or multiple coils and registers (FC05, FC06, FC15, FC16) • Configurable slave ID, start address, quantity, and poll interval • Live TX/RX/error counters so you can see connection health at a glance MAKE SENSE OF THE DATA • 24 display formats: signed/unsigned, hex, binary, 32-bit long, float, and 64-bit integer/double — in all four standard byte orders • Per-register aliases so "400012" becomes "Tank Level" • Custom scaling formulas (e.g. x/10) to convert raw register values into real-world units • Live sparkline charts per register, with min/max and history FIND DEVICES FASTER • Network scan across a subnet to discover responding Modbus TCP devices • LAN port scan for general network diagnostics LOG & SHARE • Log live polling data straight to CSV • Share the log file instantly via the system share sheet — AirDrop, email, cloud storage, wherever you need it BUILT FOR THE FIELD • Clean, fast interface with light and dark themes • Works over Wi-Fi or cellular — anywhere your device reaches the target network Whether you're commissioning a new panel, chasing down a communication fault, or just need to peek at a register value between meetings, Modbus Poll puts a full Modbus master in your pocket.

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The developer, Muh Syafiudin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • Muh Syafiudin
    Size
    • 30.8 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Muh Syafiudin
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.