# Tacit OA vs 广雅OA

The clearest difference is update cadence: Tacit OA at every 3 weeks against 广雅OA's every 2 months. Tacit OA also leads on iOS requirement (11.0 vs 14.0). 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.

Tacit OA ships an update every 3 weeks, 广雅OA every 2 months. Both last shipped on September 8, 2026.

## The numbers

| Metric | Tacit OA | 广雅OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 154 MB | 31 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [杰良 黄](https://appshunter.io/developer/1580566851) |

## What reviewers say

### Tacit OA

[App page](https://appshunter.io/ios/app/tacit-oa/id1554438565)

**Features:** macOS Compatibility

**In-app purchases:** none


### 广雅OA

[App page](https://appshunter.io/ios/app/oa/id1581414608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tacit OA free?

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

### Is 广雅OA free?

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

### Do Tacit OA or 广雅OA have ads?

Neither Tacit OA nor 广雅OA shows ads.

### Which is updated more often, Tacit OA or 广雅OA?

Tacit OA ships an update every 3 weeks, and 广雅OA every 2 months. Most recently, Tacit OA was updated on September 8, 2026 and 广雅OA on September 8, 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.*