# 50以内加减法口算 vs Handwriting Mental Math

The clearest difference is ads: 50以内加减法口算 at none against Handwriting Mental Math's shown. 50以内加减法口算 also leads on iOS requirement (11.0 vs 16.6). Handwriting Mental Math's advantage is update cadence (fortnightly vs every 22 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 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, Handwriting Mental Math fortnightly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 50以内加减法口算 | Handwriting Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 27 MB | 29 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华 周](https://appshunter.io/developer/569428357) | [娟 秦](https://appshunter.io/developer/1493246128) |

## 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


### Handwriting Mental Math

[App page](https://appshunter.io/ios/app/handwriting-mental-math/id1505292791)

**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 Handwriting Mental Math free?

Handwriting Mental Math is free to download, with no in-app purchases.

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

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

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

50以内加减法口算 ships an update every 22 months, and Handwriting Mental Math fortnightly. Most recently, 50以内加减法口算 was updated on October 24, 2026 and Handwriting Mental Math on October 21, 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.*