# Relativistic Calculator vs Motion physics app

The clearest difference is price: Motion physics app at Free against Relativistic Calculator's $0.99. Relativistic Calculator's advantage is iOS requirement (5.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

Motion physics app is free to download; Relativistic Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Relativistic Calculator | Motion physics app |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 1 MB | 25 MB |
| Requires iOS | **5.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [J&B Developpement](https://appshunter.io/developer/467963911) | [The Real Start](https://appshunter.io/developer/1154232657) |

## What reviewers say

### Relativistic Calculator

[App page](https://appshunter.io/ios/app/relativistic-calculator/id473965894)

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

**In-app purchases:** none


### Motion physics app

[App page](https://appshunter.io/ios/app/motion-physics-app/id6451367054)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Relativistic Calculator free?

Relativistic Calculator costs $0.99, with no in-app purchases.

### Is Motion physics app free?

Motion physics app is free to download, with no in-app purchases.

### Do Relativistic Calculator or Motion physics app have ads?

Neither Relativistic Calculator nor Motion physics app shows ads.

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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.*