# CIMOS鸿书 vs Modbus TCP Station

The clearest difference is in-app purchases: CIMOS鸿书 at none against Modbus TCP Station's 2. CIMOS鸿书 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Modbus TCP Station's advantage is update cadence (every 10 days vs every 4 weeks). 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. CIMOS鸿书 asks for nothing beyond the download.

CIMOS鸿书 ships an update every 4 weeks, Modbus TCP Station every 10 days. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CIMOS鸿书 | Modbus TCP Station |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Size | 53 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qingdao City Brain Investment Development Co., Ltd](https://appshunter.io/developer/1531980409) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### CIMOS鸿书

[App page](https://appshunter.io/ios/app/cimos/id6466782104)

**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 CIMOS鸿书 free?

CIMOS鸿书 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 CIMOS鸿书 or Modbus TCP Station have ads?

Modbus TCP Station shows ads; CIMOS鸿书 does not.

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

CIMOS鸿书 ships an update every 4 weeks, and Modbus TCP Station every 10 days. Most recently, CIMOS鸿书 was updated on October 18, 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.*