# Handwriting Mental Math vs King Math 24

The clearest difference is in-app purchases: Handwriting Mental Math at none against King Math 24's 4. Handwriting Mental Math also leads on update cadence (fortnightly vs every 2 months). King Math 24's advantage is iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. King Math 24 sells 4 one-off in-app purchases. Handwriting Mental Math asks for nothing beyond the download.

Handwriting Mental Math ships an update fortnightly, King Math 24 every 2 months. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Handwriting Mental Math | King Math 24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 29 MB | 211 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [娟 秦](https://appshunter.io/developer/1493246128) | [Shenzhen Jiajiaoshuo Network Technology Co., Ltd](https://appshunter.io/developer/541375915) |

## What reviewers say

### Handwriting Mental Math

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

**Features:** macOS Compatibility

**In-app purchases:** none


### King Math 24

[App page](https://appshunter.io/ios/app/king-math-24/id1544648283)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 提示道具 | $0.29 | one-time |
| Buy Hints | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 精致礼包 | $1.99 | one-time |


## Frequently asked questions

### Is Handwriting Mental Math free?

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

### Is King Math 24 free?

King Math 24 is free to download, with in-app purchases available.

### Do Handwriting Mental Math or King Math 24 have ads?

Both Handwriting Mental Math and King Math 24 show ads.

### Which is updated more often, Handwriting Mental Math or King Math 24?

Handwriting Mental Math ships an update fortnightly, and King Math 24 every 2 months. Most recently, Handwriting Mental Math was updated on June 4, 2026 and King Math 24 on September 17, 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.*