# Gun Deck vs Mars Colony

The clearest difference is in-app purchases: Gun Deck at none against Mars Colony's 5. Gun Deck also leads on update cadence (daily vs every 3 weeks) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Mars Colony sells 5 one-off in-app purchases. Gun Deck asks for nothing beyond the download.

Gun Deck ships an update daily, Mars Colony every 3 weeks. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Gun Deck | Mars Colony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/mars-colony-the-idle-builder/id6757963605/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 104 MB | 136 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [3A YAPIM VE YAZILIM DANISMANLIK LIMITED SIRKETI](https://appshunter.io/developer/1493049868) | [Blazing Solution](https://appshunter.io/developer/1780090255) |

## What reviewers say

### Gun Deck

[App page](https://appshunter.io/ios/app/gun-deck/id1670366382)

**In-app purchases:** none


### Mars Colony

[App page](https://appshunter.io/ios/app/mars-colony-the-idle-builder/id6757963605)

Design, expand, and manage a growing settlement on Mars. Construct buildings, deploy colonists, and automate systems to increase production and efficiency. Optimize your colony for steady growth and long-term progress.

**Highlights:** Colony design and expansion, Building construction and upgrades, Colonist deployment and management, Automation systems for idle play, Production chain optimization, Resource management

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Economy Pack | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Standard Pack | $9.99 | one-time |
| Mega Pack | $19.99 | one-time |


## Frequently asked questions

### Is Gun Deck free?

Gun Deck is free to download, with no in-app purchases.

### Is Mars Colony free?

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

### Do Gun Deck or Mars Colony have ads?

Both Gun Deck and Mars Colony show ads.

### Which is updated more often, Gun Deck or Mars Colony?

Gun Deck ships an update daily, and Mars Colony every 3 weeks. Most recently, Gun Deck was updated on October 27, 2026 and Mars Colony on October 21, 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.*