# Planetary Sling vs Mars47

The clearest difference is update cadence: Planetary Sling at daily against Mars47's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

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

Planetary Sling ships an update daily, Mars47 every 9 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Planetary Sling | Mars47 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Monetization | — | Free |
| Size | 128 MB | 559 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Juuso Anttila](https://appshunter.io/developer/1841648411) | [BENJAMIN HEIDGER](https://appshunter.io/developer/1767910831) |

## What reviewers say

### Planetary Sling

[App page](https://appshunter.io/ios/app/planetary-sling/id6760001806)

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

**In-app purchases:** none


### Mars47

[App page](https://appshunter.io/ios/app/mars47-spaceport/id6794476291)

Design, build, and manage a thriving space program from an empty desert coast. Research new technologies, construct essential facilities, and launch satellites into orbit while managing resources and facing dynamic environmental challenges.

**Highlights:** Build and manage a spaceport, Research new technologies, Test and launch rockets, Plan logistics and infrastructure, Complete campaign objectives, Experience dynamic weather events

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Planetary Sling free?

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

### Is Mars47 free?

Mars47 is free to download, with no in-app purchases.

### Do Planetary Sling or Mars47 have ads?

Neither Planetary Sling nor Mars47 shows ads.

### Which is updated more often, Planetary Sling or Mars47?

Planetary Sling ships an update daily, and Mars47 every 9 days. Most recently, Planetary Sling was updated on October 25, 2026 and Mars47 on October 29, 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.*