# Robot Knox vs Save the Spaceman

The clearest difference is ads: Robot Knox at none against Save the Spaceman's shown. Robot Knox also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 12.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Robot Knox against 5.0 for Save the Spaceman. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Robot Knox ships an update every 13 months, Save the Spaceman every 7 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Robot Knox | Save the Spaceman |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/robot-knox/id1001813236/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/save-the-spaceman/id1475397509/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | **Free** | Ad-supported |
| Size | 122 MB | 44 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kurt Dekker](https://appshunter.io/developer/680019078) | [Whirl Click Inc.](https://appshunter.io/developer/1475397508) |

## What reviewers say

### Robot Knox

[App page](https://appshunter.io/ios/app/robot-knox/id1001813236)

Engage in turn-based strategic combat to infiltrate a headquarters and recover stolen gold. This game offers continuous strategic challenges with each playthrough.

**Highlights:** Turn-based strategy, Fast-action combat, Strategic decision-making, Infiltration gameplay, Gold retrieval missions

**Features:** macOS Compatibility

**In-app purchases:** none


### Save the Spaceman

[App page](https://appshunter.io/ios/app/save-the-spaceman/id1475397509)

Protect an astronaut from falling debris by strategically hitting objects away. The longer you keep the astronaut safe, the higher your score. Customize your astronaut's appearance for a personal touch.

**Highlights:** Hit falling objects, Save astronaut, Score multiplier, Astronaut customization, Asteroid and rock debris

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Robot Knox free?

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

### Is Save the Spaceman free?

Save the Spaceman is free to download, with no in-app purchases.

### Which has better reviews, Robot Knox or Save the Spaceman?

Robot Knox and Save the Spaceman are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Robot Knox or Save the Spaceman have ads?

Save the Spaceman shows ads; Robot Knox does not.

### Which is updated more often, Robot Knox or Save the Spaceman?

Robot Knox ships an update every 13 months, and Save the Spaceman every 7 months. Most recently, Robot Knox was updated on November 6, 2026 and Save the Spaceman 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.*