# Space UI vs CoHost RLSFX

The clearest difference is review sentiment: CoHost RLSFX at 67% against Space UI's 0%. CoHost RLSFX also leads on rating (5.0 vs 3.0) and iOS requirement (13.0 vs 26.0). Space UI's advantage is update cadence (every 2 months vs every 17 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CoHost RLSFX holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Space UI's written reviews are positive against 67% of CoHost RLSFX's.

Space UI ships an update every 2 months, CoHost RLSFX every 17 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Space UI | CoHost RLSFX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/space-ui/id1494402514/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cohost-rlsfx/id1634127035/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 190 MB | 33 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [256 Arts](https://appshunter.io/developer/1437835951) | [Abu Studio Inc](https://appshunter.io/developer/409934495) |

## 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


### CoHost RLSFX

[App page](https://appshunter.io/ios/app/cohost-rlsfx/id1634127035)

This app provides a real-time soundboard for comedians and content creators, featuring a curated collection of royalty-free sound effects designed for humor and impact. Built with professional audio frameworks for responsive playback and studio-quality sound, it's optimized for speed and performance.

**Highlights:** Real-time soundboard, Curated royalty-free sound effects, Pro-grade audio frameworks, Ultra-responsive playback, High-performance design, 71 copyright-free samples

**Features:** macOS Compatibility, 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 CoHost RLSFX free?

CoHost RLSFX is free to download, with no in-app purchases.

### Which has better reviews, Space UI or CoHost RLSFX?

CoHost RLSFX is rated higher. Space UI averages 3.0 out of 5 from 2 ratings, while CoHost RLSFX averages 5.0 from 1 ratings.

### Do Space UI or CoHost RLSFX have ads?

Neither Space UI nor CoHost RLSFX shows ads.

### Which is updated more often, Space UI or CoHost RLSFX?

Space UI ships an update every 2 months, and CoHost RLSFX every 17 months. Most recently, Space UI was updated on October 21, 2026 and CoHost RLSFX on October 24, 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.*