# 行動輔英 vs SIS.CHEN

The clearest difference is update cadence: 行動輔英 at every 6 weeks against SIS.CHEN's every 38 months. 行動輔英 also leads on iOS requirement (10.0 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.

行動輔英 ships an update every 6 weeks, SIS.CHEN every 38 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 行動輔英 | SIS.CHEN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 38 months |
| Size | 58 MB | 87 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fooyin](https://appshunter.io/developer/716441993) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### 行動輔英

[App page](https://appshunter.io/ios/app/id716441990)

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

**In-app purchases:** none


### SIS.CHEN

[App page](https://appshunter.io/ios/app/sischen/id1477143337)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 行動輔英 free?

行動輔英 is free to download, with no in-app purchases.

### Is SIS.CHEN free?

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

### Do 行動輔英 or SIS.CHEN have ads?

Neither 行動輔英 nor SIS.CHEN shows ads.

### Which is updated more often, 行動輔英 or SIS.CHEN?

行動輔英 ships an update every 6 weeks, and SIS.CHEN every 38 months. Most recently, 行動輔英 was updated on October 11, 2026 and SIS.CHEN on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*