# 中钢网 vs P4 Quotation

The clearest difference is in-app purchases: P4 Quotation at none against 中钢网's 1. P4 Quotation also leads on iOS requirement (13.0 vs 15.5). 中钢网's advantage is update cadence (monthly vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. 中钢网 sells 1 one-off in-app purchase. P4 Quotation asks for nothing beyond the download.

中钢网 ships an update monthly, P4 Quotation every 5 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 中钢网 | P4 Quotation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 266 MB | 31 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Henan Zhonggangwang Technology Group Co., Ltd.](https://appshunter.io/developer/959819015) | [CTW CARGO CO.,LTD.](https://appshunter.io/developer/1614185863) |

## What reviewers say

### 中钢网

[App page](https://appshunter.io/ios/app/id959819016)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全网通超级会员-标准版 | $999.99 | one-time |


### P4 Quotation

[App page](https://appshunter.io/ios/app/p4-quotation/id6756088034)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 中钢网 free?

中钢网 is free to download, with in-app purchases available.

### Is P4 Quotation free?

P4 Quotation is free to download, with no in-app purchases.

### Do 中钢网 or P4 Quotation have ads?

Neither 中钢网 nor P4 Quotation shows ads.

### Which is updated more often, 中钢网 or P4 Quotation?

中钢网 ships an update monthly, and P4 Quotation every 5 months. Most recently, 中钢网 was updated on October 8, 2026 and P4 Quotation on October 6, 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.*