Comparison

TCP ModBus vs Modbus TCP Station

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

TCP ModBus

Features
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TCP Modbus - the application created for testing and debugging of systems supporting TCP ModBus protocol. Simulation sensors, send control commands, read data registers, and others. - Operation as a server or a client; - supports two modes slave and master; - reading and writing data register; - storage of the last session of the data; - storage connection settings; - support decrypting of incoming message.

About

Modbus TCP Station

Features
Read full description

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: β€’ Complete Connectivity: Connect to any Modbus TCP Server (Slave) via IP and Port. β€’ Comprehensive Function Codes: Supports FC01 (Coil), FC02 (Discrete Input), FC03 (Holding Register), and FC04 (Input Register). β€’ Flexible Data Formats: View data in Binary, Unsigned/Signed Integer, Hex, Float, and Double. β€’ Advanced Byte Swapping: Supports Inverse/Swap options for handling complex Word orders (Big Endian/Little Endian). β€’ Real-time Monitoring: Watch your data change instantly with efficient polling. β€’ Write Capabilities: Easily write values to Coils and Registers for device control. Pro Features: β€’ Profile Management: Save and load unlimited connection profiles and register setups. β€’ Ad-Free Experience: Focus on your work without distractions. β€’ Unlimited Views: Create as many data blocks as you need. Multi-Language Support: β€’ English β€’ German (Deutsch) β€’ Korean (ν•œκ΅­μ–΄) β€’ Japanese (ζ—₯本θͺž) β€’ Traditional Chinese (繁體中文 - TW/HK) β€’ Simplified Chinese (δΈ­ζ–‡) 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!

Screenshots

TCP ModBus4 screens
Modbus TCP Station4 screens

Verdict

The call

The clearest difference is in-app purchases: TCP ModBus at none against Modbus TCP Station's 2. TCP ModBus also leads on ads (none vs shown) and update cadence (every 4 days vs every 10 days). On price and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Modbus TCP Station sells 2 one-off in-app purchases. TCP ModBus asks for nothing beyond the download.

UpkeepUpdate frequency

TCP ModBus ships an update every 4 days, Modbus TCP Station every 10 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

Scorecard4 real differences Β· 2 level
TCP ModBus versus Modbus TCP Station: the parameters behind the verdict, then further details
ParameterTCP ModBusModbus TCP Station
PriceFreeFree
Update frequencyEvery 4 days β€” betterEvery 10 days
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 β€” better15.0
Further details β€” not scored
Size1 MB31 MB
Age rating4+4+
DeveloperВПУDONGSOO LEE

In-app purchases

None

TCP ModBus

No in-app purchases

2 purchases

Modbus TCP Station

One-time2
  • 1-Month Premium Pass$0.99
  • Premium Upgrade$9.99

Questions

Is TCP ModBus free?
TCP ModBus is free to download, with no in-app purchases.
Is Modbus TCP Station free?
Modbus TCP Station is free to download, with in-app purchases available.
Do TCP ModBus or Modbus TCP Station have ads?
Modbus TCP Station shows ads; TCP ModBus does not.
Which is updated more often, TCP ModBus or Modbus TCP Station?
TCP ModBus ships an update every 4 days, and Modbus TCP Station every 10 days. Most recently, TCP ModBus was updated on October 13, 2026 and Modbus TCP Station on October 2, 2026.

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