# HerBChain Scanner vs 世紀21樓盤

The clearest difference is iOS requirement: 世紀21樓盤 at 11.0 against HerBChain Scanner's 15.1. On price, update cadence, ads 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.

HerBChain Scanner ships an update every 5 months, 世紀21樓盤 every 3 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | HerBChain Scanner | 世紀21樓盤 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 34 MB | 18 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Vixon Technology Limited](https://appshunter.io/developer/1544562501) | [Century 21 Hong Kong Limited](https://appshunter.io/developer/405907603) |

## What reviewers say

### HerBChain Scanner

[App page](https://appshunter.io/ios/app/herbchain-scanner/id1586186837)

**Features:** macOS Compatibility

**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 HerBChain Scanner free?

HerBChain Scanner 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 HerBChain Scanner or 世紀21樓盤 have ads?

Neither HerBChain Scanner nor 世紀21樓盤 shows ads.

### Which is updated more often, HerBChain Scanner or 世紀21樓盤?

HerBChain Scanner ships an update every 5 months, and 世紀21樓盤 every 3 months. Most recently, HerBChain Scanner was updated on October 5, 2026 and 世紀21樓盤 on October 4, 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.*