# LM Space Constellations iPad vs Mars Encounters

The clearest difference is price: LM Space Constellations iPad at Free against Mars Encounters's $0.99. On in-app purchases and iOS requirement there is nothing between them.

LM Space Constellations iPad is free to download; Mars Encounters costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | LM Space Constellations iPad | Mars Encounters |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lm-space-constellations-ipad/id1497792299/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Monetization | Free | — |
| Size | 531 MB | 196 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [Keri DeWitt](https://appshunter.io/developer/1227312481) |

## What reviewers say

### LM Space Constellations iPad

[App page](https://appshunter.io/ios/app/lm-space-constellations-ipad/id1497792299)

Explore the fundamentals of satellite constellation design. Adjust key factors like altitude and satellite lifespan to observe their impact on global internet services. This educational tool offers an introduction to satellite mission architecture.

**Highlights:** Adjust satellite constellation altitude, Modify satellite lifespan, Control duration of global internet services, Observe factor effects on services, Learn satellite mission architecture basics

**Features:** macOS Compatibility

**In-app purchases:** none


### Mars Encounters

[App page](https://appshunter.io/ios/app/mars-encounters/id6478498957)

**In-app purchases:** none


## Frequently asked questions

### Is LM Space Constellations iPad free?

LM Space Constellations iPad is free to download, with no in-app purchases.

### Is Mars Encounters free?

Mars Encounters costs $0.99, with no in-app purchases.

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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.*