# Mental Math Cards vs 50以内加减法口算

The clearest difference is in-app purchases: 50以内加减法口算 at none against Mental Math Cards's 1. 50以内加减法口算 also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). Mental Math Cards's advantage is update cadence (every 4 months vs every 22 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Mental Math Cards sells 1 one-off in-app purchase. 50以内加减法口算 asks for nothing beyond the download.

Mental Math Cards ships an update every 4 months, 50以内加减法口算 every 22 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Mental Math Cards | 50以内加减法口算 |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 22 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [华 周](https://appshunter.io/developer/569428357) |

## 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 |


### 50以内加减法口算

[App page](https://appshunter.io/ios/app/50/id1087409881)

This app helps children aged 3-7 develop essential mental math skills within 50. It offers engaging game-based learning for addition, subtraction, and mixed operations, with adjustable difficulty levels and helpful hints.

**Highlights:** Mental math practice within 50, Addition and subtraction exercises, Mixed operation calculations, Game-based learning, Adjustable difficulty levels, Real voice prompts, Practice and test modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math Cards free?

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

### Is 50以内加减法口算 free?

50以内加减法口算 is free to download, with no in-app purchases.

### Do Mental Math Cards or 50以内加减法口算 have ads?

Mental Math Cards shows ads; 50以内加减法口算 does not.

### Which is updated more often, Mental Math Cards or 50以内加减法口算?

Mental Math Cards ships an update every 4 months, and 50以内加减法口算 every 22 months. Most recently, Mental Math Cards was updated on October 2, 2026 and 50以内加减法口算 on September 29, 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.*