# Modbus Poll Mobile — Serial & Network Modbus Tool

> Serial & Network Modbus Tool (iPhone/iPad app by Muh Syafiudin.)

- Source: https://appshunter.io/ios/app/modbus-poll-mobile/id6802766546 (this page in markdown: same URL + `.md`)
- Developer: [Muh Syafiudin](https://appshunter.io/developer/1858135516)
- Category: Developer Tools, Utilities
- Price: $2.99
- Age rating: 4+
- Requires: iOS 15.1 · 29 MB
- Languages: American English
- Released: 2026-09-04
- Data updated: 2026-09-19
- User reviews in markdown: https://appshunter.io/ios/app/modbus-poll-mobile/id6802766546/reviews.md

## What is Modbus Poll Mobile?

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.


## Version history (last 1 release)

### 1.0 — 2026-09-04

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-19.*