# Tacit OA vs 瑞诺云聊

The clearest difference is iOS requirement: Tacit OA at 11.0 against 瑞诺云聊's 15.0. 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, 瑞诺云聊 monthly. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Tacit OA | 瑞诺云聊 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 154 MB | 51 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiu Tian Yun Technology (wuhan) Limited Company](https://appshunter.io/developer/1554438567) | [广建 徐](https://appshunter.io/developer/1170980047) |

## What reviewers say

### Tacit OA

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 瑞诺云聊

[App page](https://appshunter.io/ios/app/id6761605398)

**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 瑞诺云聊 free?

瑞诺云聊 is free to download, with no in-app purchases.

### Do Tacit OA or 瑞诺云聊 have ads?

Neither Tacit OA nor 瑞诺云聊 shows ads.

### Which is updated more often, Tacit OA or 瑞诺云聊?

Tacit OA ships an update every 3 weeks, and 瑞诺云聊 monthly. Most recently, Tacit OA was updated on November 7, 2026 and 瑞诺云聊 on October 28, 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.*