# Space UI vs White Nightmare

The clearest difference is price: Space UI at Free against White Nightmare's $1.99. Space UI also leads on ads (none vs shown) and update cadence (every 2 months vs every 18 months). White Nightmare's advantage is iOS requirement (15.6 vs 26.0). On in-app purchases and device support there is nothing between them.

Space UI is free to download; White Nightmare costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Space UI ships an update every 2 months, White Nightmare every 18 months. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Space UI | White Nightmare |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-ui/id1494402514/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | Paid | — |
| Size | 190 MB | 57 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [256 Arts](https://appshunter.io/developer/1437835951) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### Space UI

[App page](https://appshunter.io/ios/app/space-ui/id1494402514)

Create realistic sci-fi user interfaces procedurally for video productions or personal projects. Features include interactive displays, alien languages, sound effects, and cross-device syncing. Users can also sync colors with smart home lights.

**Highlights:** Procedural UI generation, Interactive interfaces, Multiple alien languages, Sound effects, Save interface seeds, Cross-device syncing, HomeKit light sync

**In-app purchases:** none


### White Nightmare

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Space UI free?

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

### Is White Nightmare free?

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

### Do Space UI or White Nightmare have ads?

White Nightmare shows ads; Space UI does not.

### Which is updated more often, Space UI or White Nightmare?

Space UI ships an update every 2 months, and White Nightmare every 18 months. Most recently, Space UI was updated on October 1, 2026 and White Nightmare on September 26, 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.*