# MathMonsterX vs Subtraction Fun

The clearest difference is iOS requirement: MathMonsterX at 18.4 against Subtraction Fun's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MathMonsterX sells 2 in-app purchases, starting at $4.99 per month and Subtraction Fun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | MathMonsterX | Subtraction Fun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 11 MB | 7 MB |
| Requires iOS | **18.4** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suleyman Petek](https://appshunter.io/developer/1819802834) | [JTM](https://appshunter.io/developer/491099581) |

## What reviewers say

### MathMonsterX

[App page](https://appshunter.io/ios/app/mathmonsterx/id6751159831)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $4.99 | per month |
| Yearly Premium Subscription | $49.99 | per year |


### Subtraction Fun

[App page](https://appshunter.io/ios/app/subtraction-fun/id6758897983)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $3.99 | one-time |


## Frequently asked questions

### Is MathMonsterX free?

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

### Is Subtraction Fun free?

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

### Do MathMonsterX or Subtraction Fun have ads?

Neither MathMonsterX nor Subtraction Fun shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*