# Math Subtraction For Kids Apps vs ParentXP

The clearest difference is price: ParentXP at Free against Math Subtraction For Kids Apps's $2.99. Math Subtraction For Kids Apps's advantage is iOS requirement (13.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

ParentXP is free to download; Math Subtraction For Kids Apps costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Subtraction For Kids Apps ships an update every 3 months, ParentXP every 2 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Math Subtraction For Kids Apps | ParentXP |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 71 MB | 34 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Learning Apps](https://appshunter.io/developer/1449017619) | [GEMS Group Holdings Limited](https://appshunter.io/developer/1462613345) |

## What reviewers say

### Math Subtraction For Kids Apps

[App page](https://appshunter.io/ios/app/math-subtraction-for-kids-apps/id1438101300)

**Features:** macOS Compatibility

**In-app purchases:** none


### ParentXP

[App page](https://appshunter.io/ios/app/parentxp/id6749554210)

**In-app purchases:** none


## Frequently asked questions

### Is Math Subtraction For Kids Apps free?

Math Subtraction For Kids Apps costs $2.99, with no in-app purchases.

### Is ParentXP free?

ParentXP is free to download, with no in-app purchases.

### Do Math Subtraction For Kids Apps or ParentXP have ads?

Neither Math Subtraction For Kids Apps nor ParentXP shows ads.

### Which is updated more often, Math Subtraction For Kids Apps or ParentXP?

Math Subtraction For Kids Apps ships an update every 3 months, and ParentXP every 2 months. Most recently, Math Subtraction For Kids Apps was updated on November 2, 2026 and ParentXP on October 30, 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.*