# Thunderstorm Simulator vs Space UI

The clearest difference is review sentiment: Thunderstorm Simulator at 100% against Space UI's 0%. Thunderstorm Simulator also leads on iOS requirement (13.0.0 vs 26.0). Space UI's advantage is price (Free vs $1.99) and rating (5.0 vs 4.5). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

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

Space UI holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 100% of Thunderstorm Simulator's written reviews are positive against 0% of Space UI's, so the app with the better star average is not the one people write more warmly about.

Thunderstorm Simulator ships an update every 5 months, Space UI every 2 months. The most recent releases landed on September 23, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | Thunderstorm Simulator | Space UI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/thunderstorm-simulator/id1200949907/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-ui/id1494402514/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#52** |
| Size | 72 MB | 190 MB |
| Requires iOS | **13.0.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 12+ | 4+ |
| Developer | [Scott Dodson](https://appshunter.io/developer/1033778296) | [256 Arts](https://appshunter.io/developer/1437835951) |

## What reviewers say

### Thunderstorm Simulator

[App page](https://appshunter.io/ios/app/thunderstorm-simulator/id1200949907)

Create a personalized thunderstorm experience with adjustable rain, thunder, and lightning effects. Customize sound volumes, lightning occurrences, and light colors to relax or fall asleep. Includes a sleep timer and options for background nature sounds.

**Highlights:** Adjustable rain sounds and volume, Customizable thunder and lightning occurrences, Screen or camera flash lightning effects, Background nature sounds, Sleep timer with fade-out, Keep Awake mode, Lightning on Demand control

**In-app purchases:** none


### Space UI

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

**Currently charting:** #52 Top Paid · Entertainment (US App Store)

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


## Frequently asked questions

### Is Thunderstorm Simulator free?

Thunderstorm Simulator costs $1.99, with no in-app purchases.

### Is Space UI free?

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

### Which has better reviews, Thunderstorm Simulator or Space UI?

Space UI is rated higher. Thunderstorm Simulator averages 4.5 out of 5 from 2 ratings, while Space UI averages 5.0 from 1 ratings.

### Do Thunderstorm Simulator or Space UI have ads?

Neither Thunderstorm Simulator nor Space UI shows ads.

### Which is updated more often, Thunderstorm Simulator or Space UI?

Thunderstorm Simulator ships an update every 5 months, and Space UI every 2 months. Most recently, Thunderstorm Simulator was updated on September 23, 2026 and Space UI on July 30, 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.*