# 悠悠办公 vs 知知丫丫

The clearest difference is iOS requirement: 知知丫丫 at 12.0 against 悠悠办公's 15. 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.

悠悠办公 ships an update fortnightly, 知知丫丫 every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 悠悠办公 | 知知丫丫 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 79 MB | 113 MB |
| Requires iOS | 15 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fujian 3dsky Network Technology Co., Ltd.](https://appshunter.io/developer/1287022756) | [Beijing Zhizhi Yaya Technology Co., Ltd](https://appshunter.io/developer/1725079838) |

## What reviewers say

### 悠悠办公

[App page](https://appshunter.io/ios/app/id1292119466)

**Features:** Vision Pro support

**In-app purchases:** none


### 知知丫丫

[App page](https://appshunter.io/ios/app/id6475754527)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 悠悠办公 free?

悠悠办公 is free to download, with no in-app purchases.

### Is 知知丫丫 free?

知知丫丫 is free to download, with no in-app purchases.

### Do 悠悠办公 or 知知丫丫 have ads?

Neither 悠悠办公 nor 知知丫丫 shows ads.

### Which is updated more often, 悠悠办公 or 知知丫丫?

悠悠办公 ships an update fortnightly, and 知知丫丫 every 2 weeks. Most recently, 悠悠办公 was updated on November 3, 2026 and 知知丫丫 on November 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.*