# AIFA Smart vs 台灣自來水

The clearest difference is update cadence: 台灣自來水 at every 2 weeks against AIFA Smart's every 5 weeks. 台灣自來水 also leads on 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.

AIFA Smart ships an update every 5 weeks, 台灣自來水 every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | AIFA Smart | 台灣自來水 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.3 (4 ratings)](https://appshunter.io/ios/app/id1546429022/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 13.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 52 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aifa technology corp.](https://appshunter.io/developer/883572171) | [台灣自來水公司](https://appshunter.io/developer/862986973) |

## What reviewers say

### AIFA Smart

[App page](https://appshunter.io/ios/app/aifa-smart/id1519298173)

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

**In-app purchases:** none


### 台灣自來水

[App page](https://appshunter.io/ios/app/id1546429022)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIFA Smart free?

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

### Is 台灣自來水 free?

台灣自來水 is free to download, with no in-app purchases.

### Do AIFA Smart or 台灣自來水 have ads?

Neither AIFA Smart nor 台灣自來水 shows ads.

### Which is updated more often, AIFA Smart or 台灣自來水?

AIFA Smart ships an update every 5 weeks, and 台灣自來水 every 2 weeks. Most recently, AIFA Smart was updated on November 3, 2026 and 台灣自來水 on November 3, 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.*