# TCP ModBus vs Modbus TCP Station

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.

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

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.

## The numbers

| Metric | TCP ModBus | Modbus TCP Station |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 10 days |
| Size | 1 MB | 31 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ТПУ](https://appshunter.io/developer/1004522612) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### TCP ModBus

[App page](https://appshunter.io/ios/app/tcp-modbus/id1167945569)

**Features:** macOS Compatibility

**In-app purchases:** none


### Modbus TCP Station

[App page](https://appshunter.io/ios/app/modbus-tcp-station/id6757790321)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Premium Pass | $0.99 | one-time |
| Premium Upgrade | $9.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*