# Pre vs K3學中文 (寫字認字)

The clearest difference is price: Pre at Free against K3學中文 (寫字認字)'s $7.99. K3學中文 (寫字認字)'s advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

Pre 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.

Pre ships an update every 6 months, K3學中文 (寫字認字) every 9 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Pre | K3學中文 (寫字認字) |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Size | 47 MB | 362 MB |
| Requires iOS | 9.3 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [協康會](https://appshunter.io/developer/580776082) | [Yiu Ying Ching](https://appshunter.io/developer/1667170345) |

## What reviewers say

### Pre

[App page](https://appshunter.io/ios/app/pre-writing-fun-journey-lite/id850114445)

**Features:** macOS Compatibility

**In-app purchases:** none


### K3學中文 (寫字認字)

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pre free?

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

### 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.

### Do Pre or K3學中文 (寫字認字) have ads?

Neither Pre nor K3學中文 (寫字認字) shows ads.

### Which is updated more often, Pre or K3學中文 (寫字認字)?

Pre ships an update every 6 months, and K3學中文 (寫字認字) every 9 months. Most recently, Pre was updated on November 6, 2026 and K3學中文 (寫字認字) on November 7, 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.*