# Tacit OA vs 小密盒智会通

The clearest difference is update cadence: Tacit OA at every 3 weeks against 小密盒智会通's every 5 weeks. Tacit OA also leads on iOS requirement (11.0 vs 13.0). 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, 小密盒智会通 every 5 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Tacit OA | 小密盒智会通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 154 MB | 208 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [亿次网联(杭州)科技有限公司](https://appshunter.io/developer/1540251643) |

## What reviewers say

### Tacit OA

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 小密盒智会通

[App page](https://appshunter.io/ios/app/id6754451267)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tacit OA free?

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

### Is 小密盒智会通 free?

小密盒智会通 is free to download, with no in-app purchases.

### Do Tacit OA or 小密盒智会通 have ads?

Neither Tacit OA nor 小密盒智会通 shows ads.

### Which is updated more often, Tacit OA or 小密盒智会通?

Tacit OA ships an update every 3 weeks, and 小密盒智会通 every 5 weeks. Most recently, Tacit OA was updated on October 10, 2026 and 小密盒智会通 on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*