# Mental Math Cards vs 数学口算HD

The clearest difference is ads: 数学口算HD at none against Mental Math Cards's shown. 数学口算HD also leads on iOS requirement (9.0 vs 13.0). Mental Math Cards's advantage is review sentiment (100% vs 75%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Mental Math Cards sells 1 one-off in-app purchase and 数学口算HD sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Mental Math Cards against 5.0 for 数学口算HD. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews are what separate them: 100% of Mental Math Cards's written reviews are positive against 75% of 数学口算HD's.

Mental Math Cards ships an update every 4 months, 数学口算HD every 6 months. The most recent releases landed on October 2, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Mental Math Cards | 数学口算HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/mental-math-cards/id804742372/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/hd/id1632726087/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 20 MB | 4 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [摇摇 章](https://appshunter.io/developer/1570032236) |

## 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 |


### 数学口算HD

[App page](https://appshunter.io/ios/app/hd/id1632726087)

This app simulates paper-based math drills for elementary students, offering customizable practice tests, automatic grading, and detailed error analysis. It covers addition, subtraction, multiplication, division, decimals, and fractions for grades 1-6, with a large question bank and printable options.

**Highlights:** Simulated paper test experience, Customizable test generation, Automatic grading and error analysis, Printable practice sheets, Grade-level specific question bank, Handwriting practice area

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一年级口算 | $2.99 | one-time |
| 二年级口算 | $2.99 | one-time |
| 三年级口算 | $2.99 | one-time |
| 四年级口算 | $2.99 | one-time |
| 五年级口算 | $2.99 | one-time |
| 六年级口算 | $2.99 | one-time |
| 数学口算至尊VIP | $4.99 | one-time |


## Frequently asked questions

### Is Mental Math Cards free?

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

### Is 数学口算HD free?

数学口算HD is free to download, with in-app purchases available.

### Which has better reviews, Mental Math Cards or 数学口算HD?

Mental Math Cards and 数学口算HD are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do Mental Math Cards or 数学口算HD have ads?

Mental Math Cards shows ads; 数学口算HD does not.

### Which is updated more often, Mental Math Cards or 数学口算HD?

Mental Math Cards ships an update every 4 months, and 数学口算HD every 6 months. Most recently, Mental Math Cards was updated on October 2, 2026 and 数学口算HD on September 18, 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.*