# 尚進美日韓語 vs Kernel 背單字

The clearest difference is in-app purchases: Kernel 背單字 at none against 尚進美日韓語's 2. Kernel 背單字 also leads on update cadence (weekly vs fortnightly). 尚進美日韓語's advantage is ads (none vs shown) and iOS requirement (15 vs 17.0). On price and device support there is nothing between them.

Both are free to download. 尚進美日韓語 sells 2 one-off in-app purchases. Kernel 背單字 asks for nothing beyond the download.

尚進美日韓語 ships an update fortnightly, Kernel 背單字 weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 尚進美日韓語 | Kernel 背單字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 69 MB | 63 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文鶴出版有限公司](https://appshunter.io/developer/1290622931) | [Egan Bisma](https://appshunter.io/developer/1882424495) |

## What reviewers say

### 尚進美日韓語

[App page](https://appshunter.io/ios/app/id1563148531)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 課程點數 | $174.99 | one-time |
| 課程點數 | $299.99 | one-time |


### Kernel 背單字

[App page](https://appshunter.io/ios/app/kernel/id6760036064)

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

**In-app purchases:** none


## Frequently asked questions

### Is 尚進美日韓語 free?

尚進美日韓語 is free to download, with in-app purchases available.

### Is Kernel 背單字 free?

Kernel 背單字 is free to download, with no in-app purchases.

### Do 尚進美日韓語 or Kernel 背單字 have ads?

Kernel 背單字 shows ads; 尚進美日韓語 does not.

### Which is updated more often, 尚進美日韓語 or Kernel 背單字?

尚進美日韓語 ships an update fortnightly, and Kernel 背單字 weekly. Most recently, 尚進美日韓語 was updated on October 27, 2026 and Kernel 背單字 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.*