# K3學中文 (寫字認字) vs 社區樂悠悠2

The clearest difference is price: 社區樂悠悠2 at Free against K3學中文 (寫字認字)'s $7.99. 社區樂悠悠2 also leads on update cadence (every 8 days vs every 9 months). K3學中文 (寫字認字)'s advantage is iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

社區樂悠悠2 is free to download; K3學中文 (寫字認字) costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K3學中文 (寫字認字) ships an update every 9 months, 社區樂悠悠2 every 8 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | K3學中文 (寫字認字) | 社區樂悠悠2 |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Size | 362 MB | 318 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yiu Ying Ching](https://appshunter.io/developer/1667170345) | [協康會](https://appshunter.io/developer/580776082) |

## What reviewers say

### K3學中文 (寫字認字)

[App page](https://appshunter.io/ios/app/k3/id1669891510)

**Features:** macOS Compatibility

**In-app purchases:** none


### 社區樂悠悠2

[App page](https://appshunter.io/ios/app/2/id6470998425)

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

**In-app purchases:** none


## Frequently asked questions

### Is K3學中文 (寫字認字) free?

K3學中文 (寫字認字) costs $7.99, with no in-app purchases.

### Is 社區樂悠悠2 free?

社區樂悠悠2 is free to download, with no in-app purchases.

### Do K3學中文 (寫字認字) or 社區樂悠悠2 have ads?

Neither K3學中文 (寫字認字) nor 社區樂悠悠2 shows ads.

### Which is updated more often, K3學中文 (寫字認字) or 社區樂悠悠2?

K3學中文 (寫字認字) ships an update every 9 months, and 社區樂悠悠2 every 8 days. Most recently, K3學中文 (寫字認字) was updated on October 3, 2026 and 社區樂悠悠2 on October 6, 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.*