# 金盛兰环保管控 vs 政先知

The clearest difference is in-app purchases: 金盛兰环保管控 at none against 政先知's 5. 金盛兰环保管控 also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. 政先知 sells 5 one-off in-app purchases. 金盛兰环保管控 asks for nothing beyond the download.

金盛兰环保管控 ships an update every 5 months, 政先知 every 6 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 金盛兰环保管控 | 政先知 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 6 months |
| Size | 86 MB | 14 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [中冶南方都市环保工程技术股份有限公司](https://appshunter.io/developer/1638686033) | [贵阳高新数通信息有限公司](https://appshunter.io/developer/961509650) |

## What reviewers say

### 金盛兰环保管控

[App page](https://appshunter.io/ios/app/id6478188121)

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

**In-app purchases:** none


### 政先知

[App page](https://appshunter.io/ios/app/id6738031996)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1年会员 | $59.99 | one-time |
| 二年会员 | $79.99 | one-time |
| 三人版一年会员 | $79.99 | one-time |
| 三年会员 | $99.99 | one-time |
| 五人版一年会员 | $99.99 | one-time |


## Frequently asked questions

### Is 金盛兰环保管控 free?

金盛兰环保管控 is free to download, with no in-app purchases.

### Is 政先知 free?

政先知 is free to download, with in-app purchases available.

### Do 金盛兰环保管控 or 政先知 have ads?

政先知 shows ads; 金盛兰环保管控 does not.

### Which is updated more often, 金盛兰环保管控 or 政先知?

金盛兰环保管控 ships an update every 5 months, and 政先知 every 6 months. Most recently, 金盛兰环保管控 was updated on October 30, 2026 and 政先知 on October 25, 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.*