# Mars 2055 vs Kadna

The clearest difference is in-app purchases: Kadna at none against Mars 2055's 1. Kadna also leads on ads (none vs shown) and update cadence (every 2 days vs every 4 weeks). Mars 2055's advantage is device support (5 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. Mars 2055 sells 1 one-off in-app purchase. Kadna asks for nothing beyond the download.

Mars 2055 ships an update every 4 weeks, Kadna every 2 days. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Mars 2055 | Kadna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/mars-2055/id1591775159/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 301 MB | 104 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BurningThumb Software](https://appshunter.io/developer/286015034) | [CoTechno](https://appshunter.io/developer/1028910000) |

## What reviewers say

### Mars 2055

[App page](https://appshunter.io/ios/app/mars-2055/id1591775159)

Embark on a solo first-person adventure on Mars. Survive, search for clues, and repair systems to find your way home. MacGyver items and make critical choices to escape the desolate planet.

**Highlights:** First-person solo adventure, Survival mechanics, Clue searching and puzzle solving, Item repair and system restoration, Sandbox exploration, Escape objective

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mars 2055 | $9.99 | one-time |


### Kadna

[App page](https://appshunter.io/ios/app/kadna/id6738096962)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mars 2055 free?

Mars 2055 is free to download, with in-app purchases available.

### Is Kadna free?

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

### Do Mars 2055 or Kadna have ads?

Mars 2055 shows ads; Kadna does not.

### Which is updated more often, Mars 2055 or Kadna?

Mars 2055 ships an update every 4 weeks, and Kadna every 2 days. Most recently, Mars 2055 was updated on October 5, 2026 and Kadna on October 14, 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.*