# 五股佳音 vs Kernel 背單字

The clearest difference is ads: 五股佳音 at none against Kernel 背單字's shown. 五股佳音 also leads on iOS requirement (12 vs 17.0). On price, update cadence, 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.

五股佳音 ships an update every 4 days, Kernel 背單字 weekly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 五股佳音 | Kernel 背單字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Size | 123 MB | 63 MB |
| Requires iOS | **12** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) | [Egan Bisma](https://appshunter.io/developer/1882424495) |

## What reviewers say

### 五股佳音

[App page](https://appshunter.io/ios/app/id6751398082)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 五股佳音 free?

五股佳音 is free to download, with no in-app purchases.

### Is Kernel 背單字 free?

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

### Do 五股佳音 or Kernel 背單字 have ads?

Kernel 背單字 shows ads; 五股佳音 does not.

### Which is updated more often, 五股佳音 or Kernel 背單字?

五股佳音 ships an update every 4 days, and Kernel 背單字 weekly. Most recently, 五股佳音 was updated on October 11, 2026 and Kernel 背單字 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.*