# Mission Gravity vs Planetary Sling

The clearest difference is in-app purchases: Planetary Sling at none against Mission Gravity's 2. Planetary Sling also leads on update cadence (daily vs every 5 days). Mission Gravity's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Mission Gravity sells 2 one-off in-app purchases. Planetary Sling asks for nothing beyond the download.

Mission Gravity ships an update every 5 days, Planetary Sling daily. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mission Gravity | Planetary Sling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/mission-gravity/id1449420256/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 141 MB | 128 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Obergrussberger](https://appshunter.io/developer/926088841) | [Juuso Anttila](https://appshunter.io/developer/1841648411) |

## What reviewers say

### Mission Gravity

[App page](https://appshunter.io/ios/app/mission-gravity/id1449420256)

Pilot your spacecraft home by utilizing planetary gravity and managing fuel. Navigate through asteroid fields and aim for a smooth landing to complete your mission.

**Highlights:** Gravity-based flight mechanics, Fuel management, Asteroid avoidance, Clean landing challenges, Physics simulation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Unlock all levels | $1.99 | one-time |


### Planetary Sling

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Mission Gravity free?

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

### Is Planetary Sling free?

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

### Do Mission Gravity or Planetary Sling have ads?

Neither Mission Gravity nor Planetary Sling shows ads.

### Which is updated more often, Mission Gravity or Planetary Sling?

Mission Gravity ships an update every 5 days, and Planetary Sling daily. Most recently, Mission Gravity was updated on October 24, 2026 and Planetary Sling on October 13, 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.*