# Mars vs DoE EnergiX

The clearest difference is review sentiment: DoE EnergiX at 100% against Mars's 20%. DoE EnergiX also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Mars sells 10 one-off in-app purchases. DoE EnergiX asks for nothing beyond the download.

Mars ships an update weekly, DoE EnergiX every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Mars | DoE EnergiX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/mars-colonization/id1644154430/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 407 MB | 302 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Noack](https://appshunter.io/developer/1541962473) | [DoE](https://appshunter.io/developer/1502995914) |

## What reviewers say

### Mars

[App page](https://appshunter.io/ios/app/mars-colonization/id1644154430)

Build and manage a thriving colony on Mars in the year 2050. Explore the planet, research new technologies, and collaborate with other colonies to overcome daily challenges and establish a new civilization.

**Highlights:** Explore Mars with Rovers, Collaborate on Mega Builds, Help Citizens with Minigames, Research New Technologies, Build Colony Structures, Collect and Study Stone Samples

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny Antimatter Pack | $0.99 | one-time |
| Medium Antimatter Pack | $3.99 | one-time |
| Small Bundle | $4.99 | one-time |
| Large Antimatter Pack | $8.99 | one-time |
| Small Bundle | $12.99 | one-time |
| Medium Bundle | $13.99 | one-time |
| Extra Large Antimatter Pack | $24.99 | one-time |
| Large Bundle | $31.99 | one-time |
| Medium Bundle | $34.99 | one-time |
| Large Bundle | $69.99 | one-time |


### DoE EnergiX

[App page](https://appshunter.io/ios/app/doe-energix/id6450425411)

Guide a family to adopt energy-efficient habits in this engaging management game. Make smart choices to reduce consumption and purchase eco-friendly items for a greener lifestyle. Learn about energy conservation through interactive gameplay.

**Highlights:** Energy-efficient habit guidance, Family lifestyle simulation, Purchase energy-saving items, Learn energy conservation principles, Eco-friendly lifestyle promotion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mars free?

Mars is free to download, with in-app purchases available.

### Is DoE EnergiX free?

DoE EnergiX is free to download, with no in-app purchases.

### Do Mars or DoE EnergiX have ads?

Mars shows ads; DoE EnergiX does not.

### Which is updated more often, Mars or DoE EnergiX?

Mars ships an update weekly, and DoE EnergiX every 10 days. Most recently, Mars was updated on November 3, 2026 and DoE EnergiX on November 3, 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.*