# 慧智PRO vs 沁园服务

The clearest difference is update cadence: 沁园服务 at every 3 weeks against 慧智PRO's every 12 months. 沁园服务 also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

慧智PRO ships an update every 12 months, 沁园服务 every 3 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 慧智PRO | 沁园服务 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 29 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Changeyet Network Technology Co., Ltd.](https://appshunter.io/developer/621240353) | [浙江沁园水处理科技有限公司](https://appshunter.io/developer/1373183251) |

## What reviewers say

### 慧智PRO

[App page](https://appshunter.io/ios/app/pro/id1458445009)

**In-app purchases:** none


### 沁园服务

[App page](https://appshunter.io/ios/app/id6738472884)

**In-app purchases:** none


## Frequently asked questions

### Is 慧智PRO free?

慧智PRO is free to download, with no in-app purchases.

### Is 沁园服务 free?

沁园服务 is free to download, with no in-app purchases.

### Which is updated more often, 慧智PRO or 沁园服务?

慧智PRO ships an update every 12 months, and 沁园服务 every 3 weeks. Most recently, 慧智PRO was updated on October 2, 2026 and 沁园服务 on September 30, 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.*