# LM Space Constellations iPad vs uCertifyPrep CompTIA Linux+

The clearest difference is in-app purchases: LM Space Constellations iPad at none against uCertifyPrep CompTIA Linux+'s 1. uCertifyPrep CompTIA Linux+'s advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. uCertifyPrep CompTIA Linux+ sells 1 one-off in-app purchase. LM Space Constellations iPad asks for nothing beyond the download.

## The numbers

| Metric | LM Space Constellations iPad | uCertifyPrep CompTIA Linux+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lm-space-constellations-ipad/id1497792299/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | Free | — |
| Size | 531 MB | 121 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [uCertify.com](https://appshunter.io/developer/1130631061) |

## 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


### uCertifyPrep CompTIA Linux+

[App page](https://appshunter.io/ios/app/ucertifyprep-comptia-linux-plus/id1613324301)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| uCertifyPrep CompTIA Linux+ | $49.99 | one-time |


## Frequently asked questions

### Is LM Space Constellations iPad free?

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

### Is uCertifyPrep CompTIA Linux+ free?

uCertifyPrep CompTIA Linux+ is free to download, with in-app purchases available.

### Do LM Space Constellations iPad or uCertifyPrep CompTIA Linux+ have ads?

Neither LM Space Constellations iPad nor uCertifyPrep CompTIA Linux+ 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.*