# 首钢环境 vs 优海监控云

The clearest difference is iOS requirement: 首钢环境 at 13.0 against 优海监控云's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

首钢环境 ships an update every 2 weeks, 优海监控云 fortnightly. The most recent releases landed on September 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 首钢环境 | 优海监控云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 60 MB | 200 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [凯 李](https://appshunter.io/developer/1801051418) | [北京优海网络科技有限公司](https://appshunter.io/developer/1595784117) |

## What reviewers say

### 首钢环境

[App page](https://appshunter.io/ios/app/id6448249379)

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

**In-app purchases:** none


### 优海监控云

[App page](https://appshunter.io/ios/app/id6680185524)

**In-app purchases:** none


## Frequently asked questions

### Is 首钢环境 free?

首钢环境 is free to download, with no in-app purchases.

### Is 优海监控云 free?

优海监控云 is free to download, with no in-app purchases.

### Do 首钢环境 or 优海监控云 have ads?

Neither 首钢环境 nor 优海监控云 shows ads.

### Which is updated more often, 首钢环境 or 优海监控云?

首钢环境 ships an update every 2 weeks, and 优海监控云 fortnightly. Most recently, 首钢环境 was updated on September 16, 2026 and 优海监控云 on October 8, 2026.

---

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