# 單字庫：最有效的背單字遊戲 vs Math Cats

The clearest difference is price: 單字庫：最有效的背單字遊戲 at Free against Math Cats's $5.99. 單字庫：最有效的背單字遊戲 also leads on ratings volume (833 vs 3). Math Cats's advantage is in-app purchases (none vs 3) and update cadence (every 5 days vs every 2 months). On review sentiment, ads, device support and iOS requirement there is nothing between them.

單字庫：最有效的背單字遊戲 is free to download; Math Cats costs $5.99 up front. 單字庫：最有效的背單字遊戲 sells 3 in-app purchases, starting at $9.99 per month. Math Cats asks for nothing beyond the download.

Math Cats holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 單字庫：最有效的背單字遊戲 has 833 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 96% of 單字庫：最有效的背單字遊戲's written reviews are positive against 100% of Math Cats's.

單字庫：最有效的背單字遊戲 ships an update every 2 months, Math Cats every 5 days. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 單字庫：最有效的背單字遊戲 | Math Cats |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.8 (833 ratings)](https://appshunter.io/ios/app/id6444397780/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-cats/id6738156539/reviews)** |
| Number of ratings | **833** | 3 |
| Positive reviews | 96.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Paid |
| Size | 529 MB | 170 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [英文庫](https://appshunter.io/developer/1654452547) | [Knowledge Vortex, LLC](https://appshunter.io/developer/1725396723) |

## What reviewers say

### 單字庫：最有效的背單字遊戲

[App page](https://appshunter.io/ios/app/id6444397780)

Unlock the fun in vocabulary learning with our innovative game app! Seamlessly memorize 10,000 words through engaging activities like fruit planting and turtle nurturing. Personalized review journeys ensure long-term retention while tracking your progress efficiently. Start the coolest vocabulary adventure now, suitable for all ages! [Privacy Policy](https://english.cool/app-privacy-policy/) | [Terms of Use](https:/www.apple.com/legal/internet-services/itunes/dev/stdeula/)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP-月訂閱 | $9.99 | per month |
| VIP-年訂閱 | $69.99 | per year |
| VIP-年訂閱 | $69.99 | per year |


### Math Cats

[App page](https://appshunter.io/ios/app/math-cats/id6738156539)

This app offers interactive math practice for grades 1-6, rewarding children with collectible cat images and videos as they master arithmetic skills. It provides detailed progress tracking for parents and a virtual scratchpad for calculations, eliminating the need for paper.

**Highlights:** Grade 1-6 arithmetic practice, Collectible cat images and videos, Progress tracking and statistics, Virtual scribble pad for calculations, Identification of areas of struggle

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 單字庫：最有效的背單字遊戲 free?

單字庫：最有效的背單字遊戲 is free to download, with in-app purchases available.

### Is Math Cats free?

Math Cats costs $5.99, with no in-app purchases.

### Which has better reviews, 單字庫：最有效的背單字遊戲 or Math Cats?

Math Cats is rated higher. 單字庫：最有效的背單字遊戲 averages 4.8 out of 5 from 833 ratings, while Math Cats averages 5.0 from 3 ratings.

### Do 單字庫：最有效的背單字遊戲 or Math Cats have ads?

Neither 單字庫：最有效的背單字遊戲 nor Math Cats shows ads.

### Which is updated more often, 單字庫：最有效的背單字遊戲 or Math Cats?

單字庫：最有效的背單字遊戲 ships an update every 2 months, and Math Cats every 5 days. Most recently, 單字庫：最有效的背單字遊戲 was updated on October 13, 2026 and Math Cats on September 26, 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.*