# 零距OA vs 瑞石OA

The clearest difference is update cadence: 零距OA at every 2 weeks against 瑞石OA's every 3 months. 零距OA also leads on iOS requirement (8.0 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.

零距OA ships an update every 2 weeks, 瑞石OA every 3 months. The most recent releases landed on May 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 零距OA | 瑞石OA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 82 MB | 14 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Tcxlife Technology Co., Ltd.](https://appshunter.io/developer/998027145) | [Rui Shi Information Co.,Ltd](https://appshunter.io/developer/966335711) |

## What reviewers say

### 零距OA

[App page](https://appshunter.io/ios/app/oa/id1299598980)

**Features:** macOS Compatibility

**In-app purchases:** none


### 瑞石OA

[App page](https://appshunter.io/ios/app/oa/id1445516036)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 零距OA free?

零距OA is free to download, with no in-app purchases.

### Is 瑞石OA free?

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

### Do 零距OA or 瑞石OA have ads?

Neither 零距OA nor 瑞石OA shows ads.

### Which is updated more often, 零距OA or 瑞石OA?

零距OA ships an update every 2 weeks, and 瑞石OA every 3 months. Most recently, 零距OA was updated on May 16, 2026 and 瑞石OA on September 14, 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.*