# 手持/在線ioT水質寶 vs i56集運

The clearest difference is update cadence: i56集運 at every 6 days against 手持/在線ioT水質寶's every 2 months. 手持/在線ioT水質寶's advantage is iOS requirement (12.0 vs 15.0). 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.

手持/在線ioT水質寶 ships an update every 2 months, i56集運 every 6 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 手持/在線ioT水質寶 | i56集運 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 75 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ju Cheng Shih](https://appshunter.io/developer/1110051522) | [Chang Sheng Enterprise Co., LTD.](https://appshunter.io/developer/6791011708) |

## What reviewers say

### 手持/在線ioT水質寶

[App page](https://appshunter.io/ios/app/iot/id1616121623)

**Features:** macOS Compatibility

**In-app purchases:** none


### i56集運

[App page](https://appshunter.io/ios/app/i56/id6791011706)

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

**In-app purchases:** none


## Frequently asked questions

### Is 手持/在線ioT水質寶 free?

手持/在線ioT水質寶 is free to download, with no in-app purchases.

### Is i56集運 free?

i56集運 is free to download, with no in-app purchases.

### Do 手持/在線ioT水質寶 or i56集運 have ads?

Neither 手持/在線ioT水質寶 nor i56集運 shows ads.

### Which is updated more often, 手持/在線ioT水質寶 or i56集運?

手持/在線ioT水質寶 ships an update every 2 months, and i56集運 every 6 days. Most recently, 手持/在線ioT水質寶 was updated on September 21, 2026 and i56集運 on September 23, 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.*