# Math Cats vs 零鴨蛋

The clearest difference is price: 零鴨蛋 at Free against Math Cats's $5.99. Math Cats's advantage is update cadence (every 5 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

零鴨蛋 is free to download; Math Cats costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Cats ships an update every 5 days, 零鴨蛋 fortnightly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Math Cats | 零鴨蛋 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-cats/id6738156539/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Paid | — |
| Size | 170 MB | 191 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowledge Vortex, LLC](https://appshunter.io/developer/1725396723) | [wei ming chen](https://appshunter.io/developer/568881778) |

## What reviewers say

### 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


### 零鴨蛋

[App page](https://appshunter.io/ios/app/id6763559099)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Cats free?

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

### Is 零鴨蛋 free?

零鴨蛋 is free to download, with no in-app purchases.

### Do Math Cats or 零鴨蛋 have ads?

Neither Math Cats nor 零鴨蛋 shows ads.

### Which is updated more often, Math Cats or 零鴨蛋?

Math Cats ships an update every 5 days, and 零鴨蛋 fortnightly. Most recently, Math Cats was updated on October 24, 2026 and 零鴨蛋 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.*