# Space UI vs SoundReact

The clearest difference is in-app purchases: Space UI at none against SoundReact's 1. Space UI also leads on update cadence (every 2 months vs every 13 months) and device support (4 vs 2). SoundReact's advantage is iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

Both are free to download. SoundReact sells 1 one-off in-app purchase. Space UI asks for nothing beyond the download.

Space UI ships an update every 2 months, SoundReact every 13 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Space UI | SoundReact |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 190 MB | 19 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [256 Arts](https://appshunter.io/developer/1437835951) | [Juan Maguid](https://appshunter.io/developer/1680114440) |

## 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


### SoundReact

[App page](https://appshunter.io/ios/app/soundreact/id6746435472)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundReact Premium | $2.99 | one-time |


## Frequently asked questions

### Is Space UI free?

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

### Is SoundReact free?

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

### Do Space UI or SoundReact have ads?

Neither Space UI nor SoundReact shows ads.

### Which is updated more often, Space UI or SoundReact?

Space UI ships an update every 2 months, and SoundReact every 13 months. Most recently, Space UI was updated on October 1, 2026 and SoundReact on September 27, 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.*