# 水质多参数APP vs 云图数字

The clearest difference is update cadence: 云图数字 at monthly against 水质多参数APP's every 7 months. 水质多参数APP's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

水质多参数APP ships an update every 7 months, 云图数字 monthly. Both last shipped on October 29, 2026.

## The numbers

| Metric | 水质多参数APP | 云图数字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Size | 29 MB | 67 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Standards Scientific Instrument Co.,Ltd.](https://appshunter.io/developer/1194436536) | [深圳市云图数字科技有限公司](https://appshunter.io/developer/1485545970) |

## What reviewers say

### 水质多参数APP

[App page](https://appshunter.io/ios/app/app/id1450483863)

**Features:** macOS Compatibility

**In-app purchases:** none


### 云图数字

[App page](https://appshunter.io/ios/app/id1485545971)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 水质多参数APP free?

水质多参数APP is free to download, with no in-app purchases.

### Is 云图数字 free?

云图数字 is free to download, with no in-app purchases.

### Do 水质多参数APP or 云图数字 have ads?

Neither 水质多参数APP nor 云图数字 shows ads.

### Which is updated more often, 水质多参数APP or 云图数字?

水质多参数APP ships an update every 7 months, and 云图数字 monthly. Most recently, 水质多参数APP was updated on October 29, 2026 and 云图数字 on October 29, 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.*