# Tacit OA vs 视频会议系统

The clearest difference is iOS requirement: Tacit OA at 11.0 against 视频会议系统's 13.0. 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.

Tacit OA ships an update every 3 weeks, 视频会议系统 every 2 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tacit OA | 视频会议系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 154 MB | 78 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [Inner Mongolia Christian Three-self Patriotic Movement Committee](https://appshunter.io/developer/1660006549) |

## What reviewers say

### Tacit OA

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 视频会议系统

[App page](https://appshunter.io/ios/app/id6739831622)

**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 视频会议系统 free?

视频会议系统 is free to download, with no in-app purchases.

### Do Tacit OA or 视频会议系统 have ads?

Neither Tacit OA nor 视频会议系统 shows ads.

### Which is updated more often, Tacit OA or 视频会议系统?

Tacit OA ships an update every 3 weeks, and 视频会议系统 every 2 weeks. Most recently, Tacit OA was updated on October 25, 2026 and 视频会议系统 on October 31, 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.*