# MT vs 水質空品檢測寶

The clearest difference is update cadence: 水質空品檢測寶 at every 6 weeks against MT's every 5 months. 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.

MT ships an update every 5 months, 水質空品檢測寶 every 6 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MT | 水質空品檢測寶 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 33 MB | 41 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tongdy Sensing Technology Corporation](https://appshunter.io/developer/1473098642) | [Ju Cheng Shih](https://appshunter.io/developer/1110051522) |

## What reviewers say

### MT

[App page](https://appshunter.io/ios/app/mt-handy/id1473098643)

**Features:** macOS Compatibility

**In-app purchases:** none


### 水質空品檢測寶

[App page](https://appshunter.io/ios/app/id1574617049)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MT free?

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

### Is 水質空品檢測寶 free?

水質空品檢測寶 is free to download, with no in-app purchases.

### Do MT or 水質空品檢測寶 have ads?

Neither MT nor 水質空品檢測寶 shows ads.

### Which is updated more often, MT or 水質空品檢測寶?

MT ships an update every 5 months, and 水質空品檢測寶 every 6 weeks. Most recently, MT was updated on October 26, 2026 and 水質空品檢測寶 on October 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.*