# 美波尔 vs WaterTesting

The clearest difference is update cadence: WaterTesting at every 3 weeks against 美波尔's every 4 months. 美波尔's advantage is iOS requirement (10.2 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.

美波尔 ships an update every 4 months, WaterTesting every 3 weeks. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 美波尔 | WaterTesting |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 17 MB | 16 MB |
| Requires iOS | **10.2** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [云南白药集团医疗科技合肥有限公司](https://appshunter.io/developer/992712753) | [Shanghai Ruosull Technology Co., Ltd](https://appshunter.io/developer/1735275002) |

## What reviewers say

### 美波尔

[App page](https://appshunter.io/ios/app/id1668732181)

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

**In-app purchases:** none


### WaterTesting

[App page](https://appshunter.io/ios/app/watertesting/id6479241037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 美波尔 free?

美波尔 is free to download, with no in-app purchases.

### Is WaterTesting free?

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

### Do 美波尔 or WaterTesting have ads?

Neither 美波尔 nor WaterTesting shows ads.

### Which is updated more often, 美波尔 or WaterTesting?

美波尔 ships an update every 4 months, and WaterTesting every 3 weeks. Most recently, 美波尔 was updated on October 11, 2026 and WaterTesting on October 16, 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.*