# Modbus TCP Station

> Modbus TCP Station (iPhone/iPad app by DONGSOO LEE.)

- Source: https://appshunter.io/ios/app/modbus-tcp-station/id6757790321 (this page in markdown: same URL + `.md`)
- Developer: [DONGSOO LEE](https://appshunter.io/developer/1868670088)
- Category: Utilities, Developer Tools
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 30 MB
- Languages: English
- Released: 2026-01-21
- Data updated: 2026-08-11
- User reviews in markdown: https://appshunter.io/ios/app/modbus-tcp-station/id6757790321/reviews.md

## What is Modbus TCP Station?

Turn your smartphone into a powerful Modbus TCP Master tool! Designed for PLC engineers, system integrators, and DIY enthusiasts, Modbus TCP Station allows you to communicate with, monitor, and control any Modbus TCP-enabled device (PLC, HMI, SCADA, ESP32, Raspberry Pi, etc.) with ease.
Whether you are debugging a smart factory system or testing a home automation project, this app provides a professional interface to visualize and manipulate data in real-time.

Key Features:
•	Complete Connectivity: Connect to any Modbus TCP Server (Slave) via IP and Port.
•	Comprehensive Function Codes: Supports FC01 (Coil), FC02 (Discrete Input), FC03 (Holding Register), and FC04 (Input Register).
•	Flexible Data Formats: View data in Binary, Unsigned/Signed Integer, Hex, Float, and Double.
•	Advanced Byte Swapping: Supports Inverse/Swap options for handling complex Word orders (Big Endian/Little Endian).
•	Real-time Monitoring: Watch your data change instantly with efficient polling.
•	Write Capabilities: Easily write values to Coils and Registers for device control.

Pro Features:
•	Profile Management: Save and load unlimited connection profiles and register setups.
•	Ad-Free Experience: Focus on your work without distractions.
•	Unlimited Views: Create as many data blocks as you need.

Multi-Language Support:
•	English
•	German (Deutsch)
•	Korean (한국어) 
•	Japanese (日本語) 
•	Traditional Chinese (繁體中文 - TW/HK)
•	Simplified Chinese (中文)

Why choose Modbus TCP Station? Stop carrying heavy laptops for simple checks. With a clean UI and robust performance, this is the essential pocket tool for every automation engineer. Download now and master your Modbus network!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Upgrade | $9.99 | one-time |



## Version history (last 5 releases)

### 1.0.8 — 2026-08-10

• To provide a more stable service and improve performance, the minimum supported iOS version has been raised from iOS 13 to iOS 15.
• Devices running iOS 14 or earlier will no longer receive new updates. We recommend updating to the latest iOS version for a smooth experience.
• Added a feature to display the remaining subscription period upon app launch for active monthly subscribers.

### 1.0.7 — 2026-07-28

• Updated age rating response regarding social media
• Added a new 1-month premium pass payment option.

### 1.0.6 — 2026-05-21

Fixed a connection bug: Resolved an issue where the "Connected successfully" message was incorrectly displayed even when attempting to connect to a non-existent or unavailable server.

### 1.0.5 — 2026-05-12

Massively improved large-scale data processing performance for professional engineers and Pro users.

[Performance & Optimization]

- UI Rendering Optimization: Mitigated screen stuttering when simultaneously collecting data from multiple monitoring groups and thousands of registers.
- Enhanced App Stability: Improved Application Not Responding (ANR) issues that occurred intermittently in high-speed polling environments, ensuring higher reliability for long-term monitoring.

### 1.0.4 — 2026-05-03

[What's New]
- Added License Information: You can now view the open-source license information within the app.

## Apps similar to Modbus TCP Station

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ModMap](https://appshunter.io/ios/app/modmap/id1527194924) | — | Free | Utilities |
| [FPSS Monitor](https://appshunter.io/ios/app/fpss-monitor/id6749527413) | — | Free | Utilities |
| [Dash IoT](https://appshunter.io/ios/app/dash-iot/id1574116689) | — | Free | Utilities |
| [Modbus Explorer](https://appshunter.io/ios/app/modbus-explorer/id6778095956) | — | Free | Utilities |
| [Modbus Connect](https://appshunter.io/ios/app/modbus-connect/id6767015416) | — | Free | Utilities |
| [W-Modbus](https://appshunter.io/ios/app/w-modbus/id6472275984) | — | Free | Utilities |

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All apps by DONGSOO LEE: https://appshunter.io/developer/1868670088

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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 2026-08-11.*