# Mental Math Cards vs 加减法

The clearest difference is update cadence: 加减法 at monthly against Mental Math Cards's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mental Math Cards sells 1 one-off in-app purchase and 加减法 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mental Math Cards ships an update every 4 months, 加减法 monthly. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Mental Math Cards | 加减法 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mental-math-cards/id804742372/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [杭州家之馨电子商务有限公司](https://appshunter.io/developer/1641228139) |

## What reviewers say

### Mental Math Cards

[App page](https://appshunter.io/ios/app/mental-math-cards/id804742372)

Generate printable A4 charts for practicing mental arithmetic. This app offers a comprehensive math question bank designed for elementary school students to improve their oral arithmetic skills.

**Highlights:** Printable A4 charts, Mental arithmetic exercises, Comprehensive math question bank, Oral arithmetic practice, Suitable for elementary students

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


### 加减法

[App page](https://appshunter.io/ios/app/id6449480332)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | one-time |
| 半年会员 | $7.99 | one-time |
| 年度会员 | $11.99 | one-time |


## Frequently asked questions

### Is Mental Math Cards free?

Mental Math Cards is free to download, with in-app purchases available.

### Is 加减法 free?

加减法 is free to download, with in-app purchases available.

### Do Mental Math Cards or 加减法 have ads?

Both Mental Math Cards and 加减法 show ads.

### Which is updated more often, Mental Math Cards or 加减法?

Mental Math Cards ships an update every 4 months, and 加减法 monthly. Most recently, Mental Math Cards was updated on October 2, 2026 and 加减法 on September 27, 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.*