# MiXin messager vs 住建OA

The clearest difference is update cadence: MiXin messager at every 4 months against 住建OA's every 10 months. 住建OA's advantage is iOS requirement (9.0 vs 12.0). 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.

MiXin messager ships an update every 4 months, 住建OA every 10 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | MiXin messager | 住建OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Size | 95 MB | 61 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [FuJian Beika Technology Co.,Ltd.](https://appshunter.io/developer/1120445334) | [Newtop LLC](https://appshunter.io/developer/852343038) |

## What reviewers say

### MiXin messager

[App page](https://appshunter.io/ios/app/mixin-messager/id1560956769)

**In-app purchases:** none


### 住建OA

[App page](https://appshunter.io/ios/app/oa/id6443554469)

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

**In-app purchases:** none


## Frequently asked questions

### Is MiXin messager free?

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

### Is 住建OA free?

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

### Do MiXin messager or 住建OA have ads?

Neither MiXin messager nor 住建OA shows ads.

### Which is updated more often, MiXin messager or 住建OA?

MiXin messager ships an update every 4 months, and 住建OA every 10 months. Most recently, MiXin messager was updated on October 25, 2026 and 住建OA 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.*