# 二手房ERP vs AOS

The clearest difference is iOS requirement: AOS at 9.0 against 二手房ERP's 11.0. 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.

二手房ERP ships an update every 5 weeks, AOS every 3 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 二手房ERP | AOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 99 MB | 305 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai ShengYi Network Technology co., LTD](https://appshunter.io/developer/1041813951) | [Beijing SouFun Science & Technology Development Co., Ltd.](https://appshunter.io/developer/413993353) |

## What reviewers say

### 二手房ERP

[App page](https://appshunter.io/ios/app/erp/id1057409380)

**Features:** macOS Compatibility

**In-app purchases:** none


### AOS

[App page](https://appshunter.io/ios/app/aos/id1551112568)

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

**In-app purchases:** none


## Frequently asked questions

### Is 二手房ERP free?

二手房ERP is free to download, with no in-app purchases.

### Is AOS free?

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

### Do 二手房ERP or AOS have ads?

Neither 二手房ERP nor AOS shows ads.

### Which is updated more often, 二手房ERP or AOS?

二手房ERP ships an update every 5 weeks, and AOS every 3 weeks. Most recently, 二手房ERP was updated on October 7, 2026 and AOS on October 25, 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.*