# Gravity! vs Slingshot Racer

The clearest difference is rating: Slingshot Racer at 5.0 against Gravity!'s 3.9. Slingshot Racer also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). Gravity!'s advantage is ratings volume (18 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity! sells 1 one-off in-app purchase. Slingshot Racer asks for nothing beyond the download.

Slingshot Racer holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Gravity! has 18 ratings behind it against 3, so its average is the more settled of the two.

Gravity! ships an update every 2 months, Slingshot Racer weekly. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gravity! | Slingshot Racer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (18 ratings)](https://appshunter.io/ios/app/gravity/id738871919/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/slingshot-racer/id6786512690/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 17 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Marc Davis](https://appshunter.io/developer/1010892850) | [Justin Neuman](https://appshunter.io/developer/1859103444) |

## What reviewers say

### Gravity!

[App page](https://appshunter.io/ios/app/gravity/id738871919)

Simulate the forces of gravity by flinging particles and observing their interactions. Create celestial bodies like planets and black holes, and customize their properties. Explore vast cosmic simulations with intuitive zoom and pan controls.

**Highlights:** Gravity simulation, Particle interaction, Create solar systems, Add black holes, Adjust particle properties, Zoom and pan controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravity! Extended Edition | $0.99 | one-time |


### Slingshot Racer

[App page](https://appshunter.io/ios/app/slingshot-racer/id6786512690)

Pilot a spacecraft using real orbital mechanics to slingshot around celestial bodies and beat the clock. Earn fuel by answering trivia questions, making knowledge the key to mastering gravity-assist maneuvers.

**Highlights:** Real orbital mechanics, Gravity-assist maneuvers, Solar system exploration, Knowledge-based fuel system, Time-based challenges, Mastering one-gesture controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity! free?

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

### Is Slingshot Racer free?

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

### Which has better reviews, Gravity! or Slingshot Racer?

Slingshot Racer is rated higher. Gravity! averages 3.9 out of 5 from 18 ratings, while Slingshot Racer averages 5.0 from 3 ratings.

### Do Gravity! or Slingshot Racer have ads?

Neither Gravity! nor Slingshot Racer shows ads.

### Which is updated more often, Gravity! or Slingshot Racer?

Gravity! ships an update every 2 months, and Slingshot Racer weekly. Most recently, Gravity! was updated on October 20, 2026 and Slingshot Racer on October 10, 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.*