# KK English vs 綠光文教

The clearest difference is in-app purchases: 綠光文教 at none against KK English's 10. KK English's advantage is update cadence (every 3 weeks vs every 17 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. KK English sells 10 one-off in-app purchases. 綠光文教 asks for nothing beyond the download.

KK English ships an update every 3 weeks, 綠光文教 every 17 months. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KK English | 綠光文教 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 17 months |
| Size | 144 MB | 195 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kaiser Kastle Co., Ltd.](https://appshunter.io/developer/1512625931) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### KK English

[App page](https://appshunter.io/ios/app/kk-english/id1523764925)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60KK幣 | $0.99 | one-time |
| 120KK幣 | $1.99 | one-time |
| 180KK幣 | $2.99 | one-time |
| 250KK幣 | $3.99 | one-time |
| 300KK幣 | $4.99 | one-time |
| 400KK幣 | $5.99 | one-time |
| 450KK幣 | $6.99 | one-time |
| 500KK幣 | $7.99 | one-time |
| 600KK幣 | $8.99 | one-time |
| 680KK幣 | $9.99 | one-time |


### 綠光文教

[App page](https://appshunter.io/ios/app/id6444402721)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KK English free?

KK English is free to download, with in-app purchases available.

### Is 綠光文教 free?

綠光文教 is free to download, with no in-app purchases.

### Do KK English or 綠光文教 have ads?

Neither KK English nor 綠光文教 shows ads.

### Which is updated more often, KK English or 綠光文教?

KK English ships an update every 3 weeks, and 綠光文教 every 17 months. Most recently, KK English was updated on November 5, 2026 and 綠光文教 on October 25, 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.*