# Mental Math vs Subtraction for Kids

Mental Math and Subtraction for Kids are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Mental Math sells 3 in-app purchases, starting at $3.99 per month and Subtraction for Kids sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Mental Math | Subtraction for Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/mental-math-calmenta/id6790559635/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 73 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HelloProg](https://appshunter.io/developer/1866892083) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-calmenta/id6790559635)

This app transforms mental math practice into an engaging game. Solve calculations by writing answers directly on the screen, track progress with badges and records, and enjoy a child-friendly, ad-free experience with parental controls.

**Highlights:** Finger-based answer input, Timed calculation challenges, Multiple math operations, Progress tracking with badges, Parental controls and profiles, Ad-free and no data collection

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Abonnement annuel | $9.99 | per year |
| Premium à vie | $22.99 | one-time |


### Subtraction for Kids

[App page](https://appshunter.io/ios/app/subtraction-for-kids-math/id6792043674)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |


## Frequently asked questions

### Is Mental Math free?

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

### Is Subtraction for Kids free?

Subtraction for Kids is free to download, with in-app purchases available.

### Do Mental Math or Subtraction for Kids have ads?

Neither Mental Math nor Subtraction for Kids shows ads.

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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.*