# Quick Math Challenges vs Dual N

Quick Math Challenges and Dual N 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. Quick Math Challenges sells 2 in-app purchases, starting at $1.99 per month and Dual N sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Quick Math Challenges | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Size | 101 MB | 27 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Thieu Khue](https://appshunter.io/developer/1554439862) | [Konstanty Koszewski](https://appshunter.io/developer/1871696981) |

## What reviewers say

### Quick Math Challenges

[App page](https://appshunter.io/ios/app/quick-math-challenges/id6757264130)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| LogiX Rush Lifetime Pro | $19.99 | one-time |


### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-memory-trainer/id6759211886)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dual N-back Monthly Premium | $3.99 | per month |
| Dual N-back Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Quick Math Challenges free?

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

### Is Dual N free?

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

### Do Quick Math Challenges or Dual N have ads?

Both Quick Math Challenges and Dual N show 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.*