# Moku｜學習與專注 vs 跑跑單字

The clearest difference is ads: 跑跑單字 at none against Moku｜學習與專注's shown. 跑跑單字 also leads on update cadence (daily vs every 6 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Moku｜學習與專注 sells 4 in-app purchases, starting at $1.99 per month and 跑跑單字 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Moku｜學習與專注 ships an update every 6 days, 跑跑單字 daily. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Moku｜學習與專注 | 跑跑單字 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Daily** |
| Size | 154 MB | 91 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DING-HONG CHEN](https://appshunter.io/developer/6795544348) | [Yi-Jou Su](https://appshunter.io/developer/6809726981) |

## What reviewers say

### Moku｜學習與專注

[App page](https://appshunter.io/ios/app/moku/id6795544346)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Plan | $1.99 | per month |
| Pro Plan | $2.99 | per month |
| Premium Plan | $4.99 | per month |
| Support Moku 30 | $0.99 | one-time |


### 跑跑單字

[App page](https://appshunter.io/ios/app/id6809726979)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 單字本月訂 | $1.99 | per month |
| 單字本終生版 | $2.99 | one-time |
| 單字本終生版＋ | $8.99 | one-time |


## Frequently asked questions

### Is Moku｜學習與專注 free?

Moku｜學習與專注 is free to download, with in-app purchases available.

### Is 跑跑單字 free?

跑跑單字 is free to download, with in-app purchases available.

### Do Moku｜學習與專注 or 跑跑單字 have ads?

Moku｜學習與專注 shows ads; 跑跑單字 does not.

### Which is updated more often, Moku｜學習與專注 or 跑跑單字?

Moku｜學習與專注 ships an update every 6 days, and 跑跑單字 daily. Most recently, Moku｜學習與專注 was updated on October 24, 2026 and 跑跑單字 on October 29, 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.*