# Math King vs Proper Casing Practice

The clearest difference is in-app purchases: Proper Casing Practice at none against Math King's 1. Proper Casing Practice also leads on update cadence (every 2 days vs every 2 months). Math King's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Math King sells 1 one-off in-app purchase. Proper Casing Practice asks for nothing beyond the download.

Math King ships an update every 2 months, Proper Casing Practice every 2 days. The most recent releases landed on September 28, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Math King | Proper Casing Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 69 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kavita Gabani](https://appshunter.io/developer/1563703272) | [Jin Xu](https://appshunter.io/developer/1837297892) |

## What reviewers say

### Math King

[App page](https://appshunter.io/ios/app/math-king-fun-math-games/id1617597133)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Proper Casing Practice

[App page](https://appshunter.io/ios/app/proper-casing-practice/id6753816548)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math King free?

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

### Is Proper Casing Practice free?

Proper Casing Practice is free to download, with no in-app purchases.

### Do Math King or Proper Casing Practice have ads?

Neither Math King nor Proper Casing Practice shows ads.

### Which is updated more often, Math King or Proper Casing Practice?

Math King ships an update every 2 months, and Proper Casing Practice every 2 days. Most recently, Math King was updated on September 28, 2026 and Proper Casing Practice on September 22, 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.*