# i健行 vs 土木技師小幫手

The clearest difference is update cadence: 土木技師小幫手 at every 4 months against i健行's every 15 months. 土木技師小幫手 also leads on device support. i健行's advantage is iOS requirement (13.0 vs 18.0). On price and in-app purchases there is nothing between them.

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

i健行 ships an update every 15 months, 土木技師小幫手 every 4 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | i健行 | 土木技師小幫手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 15 months | **Every 4 months** |
| Size | 17 MB | 1 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [文鶴出版有限公司](https://appshunter.io/developer/1290622931) | [Su YI-HUNG](https://appshunter.io/developer/6771587681) |

## What reviewers say

### i健行

[App page](https://appshunter.io/ios/app/i/id1529999537)

**In-app purchases:** none


### 土木技師小幫手

[App page](https://appshunter.io/ios/app/id6780003855)

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

**In-app purchases:** none


## Frequently asked questions

### Is i健行 free?

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

### Is 土木技師小幫手 free?

土木技師小幫手 is free to download, with no in-app purchases.

### Which is updated more often, i健行 or 土木技師小幫手?

i健行 ships an update every 15 months, and 土木技師小幫手 every 4 months. Most recently, i健行 was updated on October 29, 2026 and 土木技師小幫手 on October 31, 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.*