# W vs Modbus TCP Station

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

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

W ships an update every 2 months, Modbus TCP Station every 10 days. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | W | Modbus TCP Station |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 45 MB | 30 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LumenRadio AB](https://appshunter.io/developer/1443137236) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### W

[App page](https://appshunter.io/ios/app/w-modbus/id6472275984)

**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 W free?

W 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 W or Modbus TCP Station have ads?

Modbus TCP Station shows ads; W does not.

### Which is updated more often, W or Modbus TCP Station?

W ships an update every 2 months, and Modbus TCP Station every 10 days. Most recently, W was updated on September 11, 2026 and Modbus TCP Station on September 14, 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.*