# 蕭博士SoR美語 vs KOKO｜日本生活日語

The clearest difference is in-app purchases: 蕭博士SoR美語 at none against KOKO｜日本生活日語's 2. 蕭博士SoR美語 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. KOKO｜日本生活日語 sells 2 in-app purchases, starting at $4.99 per month. 蕭博士SoR美語 asks for nothing beyond the download.

蕭博士SoR美語 ships an update every 9 days, KOKO｜日本生活日語 every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 蕭博士SoR美語 | KOKO｜日本生活日語 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 72 MB | 80 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [臺灣雙母語學殿股份有限公司](https://appshunter.io/developer/1877821943) | [CHIAYU SUN](https://appshunter.io/developer/1830139676) |

## What reviewers say

### 蕭博士SoR美語

[App page](https://appshunter.io/ios/app/sor/id6759275270)

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

**In-app purchases:** none


### KOKO｜日本生活日語

[App page](https://appshunter.io/ios/app/koko/id6790465413)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KOKO PRO 月繳 | $4.99 | per month |
| KOKO PRO 年繳 | $29.99 | per year |


## Frequently asked questions

### Is 蕭博士SoR美語 free?

蕭博士SoR美語 is free to download, with no in-app purchases.

### Is KOKO｜日本生活日語 free?

KOKO｜日本生活日語 is free to download, with in-app purchases available.

### Do 蕭博士SoR美語 or KOKO｜日本生活日語 have ads?

KOKO｜日本生活日語 shows ads; 蕭博士SoR美語 does not.

### Which is updated more often, 蕭博士SoR美語 or KOKO｜日本生活日語?

蕭博士SoR美語 ships an update every 9 days, and KOKO｜日本生活日語 every 2 weeks. Most recently, 蕭博士SoR美語 was updated on October 7, 2026 and KOKO｜日本生活日語 on October 14, 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.*