# 50以内加减法口算 vs 数学口算练习

The clearest difference is price: 50以内加减法口算 at Free against 数学口算练习's $0.99. 50以内加减法口算 also leads on review sentiment (100% vs 91%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

50以内加减法口算 is free to download; 数学口算练习 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

50以内加减法口算 ships an update every 22 months, 数学口算练习 every 12 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 50以内加减法口算 | 数学口算练习 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.5 (34 ratings)](https://appshunter.io/ios/app/id1665809560/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | **100.0% of reviews** | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 27 MB | 37 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华 周](https://appshunter.io/developer/569428357) | [森 袁](https://appshunter.io/developer/513885536) |

## What reviewers say

### 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


### 数学口算练习

[App page](https://appshunter.io/ios/app/id1665809560)

This app offers a fun way for elementary school students to practice mental math and vertical calculations. It includes features like a practice log and a mistake notebook to help children improve their math skills through engaging activities.

**Highlights:** Mental math practice, Vertical calculation practice, Mistake notebook, Practice records, Math skill improvement, Early math education

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is 数学口算练习 free?

数学口算练习 costs $0.99, with no in-app purchases.

### Do 50以内加减法口算 or 数学口算练习 have ads?

Neither 50以内加减法口算 nor 数学口算练习 shows ads.

### Which is updated more often, 50以内加减法口算 or 数学口算练习?

50以内加减法口算 ships an update every 22 months, and 数学口算练习 every 12 months. Most recently, 50以内加减法口算 was updated on November 6, 2026 and 数学口算练习 on November 3, 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.*