# Moku｜學習與專注 vs 單字雪球

The clearest difference is ads: 單字雪球 at none against Moku｜學習與專注's shown. On price, update cadence, in-app purchases and device support 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 單字雪球 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Moku｜學習與專注 ships an update every 6 days, 單字雪球 every 4 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moku｜學習與專注 | 單字雪球 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/7000/id6799845340/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 154 MB | 34 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DING-HONG CHEN](https://appshunter.io/developer/6795544348) | [CHENG-LI CHANG](https://appshunter.io/developer/6799845342) |

## 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 |


### 單字雪球

[App page](https://appshunter.io/ios/app/7000/id6799845340)

This app uses spaced repetition to help you master difficult vocabulary. It features a built-in dictionary, multiple learning modes, and progress tracking. Designed for those who already know many words, it focuses on reinforcing what you struggle to remember.

**Highlights:** Spaced Repetition System (SRS), 18,000+ built-in word bank, Four learning modes (read, quiz, spell, sprint), Built-in Cambridge Dictionary, Progress sync via iCloud, No account, ads, or subscriptions

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 記憶線索 | $2.99 | 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 單字雪球 free?

單字雪球 is free to download, with in-app purchases available.

### Do Moku｜學習與專注 or 單字雪球 have ads?

Moku｜學習與專注 shows ads; 單字雪球 does not.

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

Moku｜學習與專注 ships an update every 6 days, and 單字雪球 every 4 days. Most recently, Moku｜學習與專注 was updated on October 24, 2026 and 單字雪球 on October 31, 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.*