# relativistic space travel vs Einstein's Elevator

The clearest difference is price: relativistic space travel at Free against Einstein's Elevator's $1.99. Einstein's Elevator's advantage is iOS requirement (13.2 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

relativistic space travel is free to download; Einstein's Elevator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | relativistic space travel | Einstein's Elevator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 0 MB | 41 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | **iPhone, iPad, iPod** | iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### relativistic space travel

[App page](https://appshunter.io/ios/app/relativistic-space-travel/id6443974500)

**Features:** macOS Compatibility

**In-app purchases:** none


### Einstein's Elevator

[App page](https://appshunter.io/ios/app/einsteins-elevator/id6648794228)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is relativistic space travel free?

relativistic space travel is free to download, with no in-app purchases.

### Is Einstein's Elevator free?

Einstein's Elevator costs $1.99, with no in-app purchases.

### Do relativistic space travel or Einstein's Elevator have ads?

Neither relativistic space travel nor Einstein's Elevator shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*