# ERB助理搵工 vs 世紀21樓盤

The clearest difference is update cadence: ERB助理搵工 at every 6 weeks against 世紀21樓盤's every 3 months. 世紀21樓盤's advantage is iOS requirement (11.0 vs 15.1). 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.

ERB助理搵工 ships an update every 6 weeks, 世紀21樓盤 every 3 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ERB助理搵工 | 世紀21樓盤 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 38 MB | 18 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Employees Retraining Board](https://appshunter.io/developer/1465842659) | [Century 21 Hong Kong Limited](https://appshunter.io/developer/405907603) |

## What reviewers say

### ERB助理搵工

[App page](https://appshunter.io/ios/app/erb/id1465842660)

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

**In-app purchases:** none


### 世紀21樓盤

[App page](https://appshunter.io/ios/app/21/id1671702436)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ERB助理搵工 free?

ERB助理搵工 is free to download, with no in-app purchases.

### Is 世紀21樓盤 free?

世紀21樓盤 is free to download, with no in-app purchases.

### Do ERB助理搵工 or 世紀21樓盤 have ads?

Neither ERB助理搵工 nor 世紀21樓盤 shows ads.

### Which is updated more often, ERB助理搵工 or 世紀21樓盤?

ERB助理搵工 ships an update every 6 weeks, and 世紀21樓盤 every 3 months. Most recently, ERB助理搵工 was updated on September 16, 2026 and 世紀21樓盤 on September 17, 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.*