# 卡兒堡 vs SKY英文

The clearest difference is update cadence: 卡兒堡 at monthly against SKY英文's every 2 months. 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.

卡兒堡 ships an update monthly, SKY英文 every 2 months. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 卡兒堡 | SKY英文 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 57 MB | 86 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JIUNHAU LIN](https://appshunter.io/developer/1517220802) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### 卡兒堡

[App page](https://appshunter.io/ios/app/id1636608022)

**In-app purchases:** none


### SKY英文

[App page](https://appshunter.io/ios/app/sky/id6754751113)

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

**In-app purchases:** none


## Frequently asked questions

### Is 卡兒堡 free?

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

### Is SKY英文 free?

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

### Do 卡兒堡 or SKY英文 have ads?

Neither 卡兒堡 nor SKY英文 shows ads.

### Which is updated more often, 卡兒堡 or SKY英文?

卡兒堡 ships an update monthly, and SKY英文 every 2 months. Most recently, 卡兒堡 was updated on September 27, 2026 and SKY英文 on October 3, 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.*