# Jonsson School Engineering Day vs Relativistic Space

The clearest difference is update cadence: Jonsson School Engineering Day at every 11 months against Relativistic Space's every 75 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Jonsson School Engineering Day ships an update every 11 months, Relativistic Space every 75 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Jonsson School Engineering Day | Relativistic Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/relativistic-space-time/id1463093650/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 75 months |
| Monetization | — | Free |
| Size | 32 MB | 52 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of Texas at Dallas](https://appshunter.io/developer/552158925) | [Thieberson Gomes](https://appshunter.io/developer/1434771806) |

## What reviewers say

### Jonsson School Engineering Day

[App page](https://appshunter.io/ios/app/jonsson-school-engineering-day/id1451320005)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Relativistic Space

[App page](https://appshunter.io/ios/app/relativistic-space-time/id1463093650)

This educational tool simulates the behavior of space and time at high speeds. Developed as part of a master's dissertation, it focuses on relativistic effects without considering acceleration.

**Highlights:** Relativistic velocity simulation, Space-time behavior visualization, Pedagogical tool, Master's dissertation project

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jonsson School Engineering Day free?

Jonsson School Engineering Day is free to download, with no in-app purchases.

### Is Relativistic Space free?

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

### Do Jonsson School Engineering Day or Relativistic Space have ads?

Neither Jonsson School Engineering Day nor Relativistic Space shows ads.

### Which is updated more often, Jonsson School Engineering Day or Relativistic Space?

Jonsson School Engineering Day ships an update every 11 months, and Relativistic Space every 75 months. Most recently, Jonsson School Engineering Day was updated on October 13, 2026 and Relativistic Space on October 7, 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.*