# White Nightmare vs Math Dims II

The clearest difference is price: Math Dims II at Free against White Nightmare's $1.99. Math Dims II also leads on update cadence (every 10 days vs every 16 months). White Nightmare's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Math Dims II is free to download; White Nightmare costs $1.99 up front. Math Dims II sells 1 one-off in-app purchase. White Nightmare asks for nothing beyond the download.

White Nightmare ships an update every 16 months, Math Dims II every 10 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | White Nightmare | Math Dims II |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-dims-ii/id6741033476/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 90 MB | 40 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [Dmitry Gordiyevsky](https://appshunter.io/developer/1792120212) |

## What reviewers say

### White Nightmare

[App page](https://appshunter.io/ios/app/white-nightmare/id1625222921)

**Features:** Vision Pro support

**In-app purchases:** none


### Math Dims II

[App page](https://appshunter.io/ios/app/math-dims-ii/id6741033476)

An engaging game that tests mathematical skills through logic and arithmetic on a grid. It offers a fun, interactive experience for players of all levels.

**Highlights:** Logic and strategy challenges, Basic arithmetic integration, Grid-based gameplay, Suitable for all skill levels, Fun and interactive learning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is White Nightmare free?

White Nightmare costs $1.99, with no in-app purchases.

### Is Math Dims II free?

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

### Do White Nightmare or Math Dims II have ads?

Both White Nightmare and Math Dims II show ads.

### Which is updated more often, White Nightmare or Math Dims II?

White Nightmare ships an update every 16 months, and Math Dims II every 10 days. Most recently, White Nightmare was updated on October 21, 2026 and Math Dims II on October 5, 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.*