# Math Cats vs DOGTOR 逗課

The clearest difference is price: DOGTOR 逗課 at Free against Math Cats's $5.99. Math Cats's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

DOGTOR 逗課 is free to download; Math Cats costs $5.99 up front. DOGTOR 逗課 sells 2 in-app purchases, starting at $9.99 per month. Math Cats asks for nothing beyond the download.

Math Cats ships an update every 5 days, DOGTOR 逗課 every 2 weeks. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Math Cats | DOGTOR 逗課 |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 170 MB | 156 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowledge Vortex, LLC](https://appshunter.io/developer/1725396723) | [Bohua Chen](https://appshunter.io/developer/1814880685) |

## 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


### DOGTOR 逗課

[App page](https://appshunter.io/ios/app/dogtor/id6751773627)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DOGTOR PRO 月度專業版 | $9.99 | per month |
| DOGTOR PRO 年度專業版 | $99.99 | per year |


## Frequently asked questions

### Is Math Cats free?

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

### Is DOGTOR 逗課 free?

DOGTOR 逗課 is free to download, with in-app purchases available.

### Do Math Cats or DOGTOR 逗課 have ads?

DOGTOR 逗課 shows ads; Math Cats does not.

### Which is updated more often, Math Cats or DOGTOR 逗課?

Math Cats ships an update every 5 days, and DOGTOR 逗課 every 2 weeks. Most recently, Math Cats was updated on September 26, 2026 and DOGTOR 逗課 on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*