# Gravity! vs Black Hole Vision

The clearest difference is rating: Black Hole Vision at 4.7 against Gravity!'s 3.9. Black Hole Vision also leads on in-app purchases (none vs 1) and review sentiment (100% vs 74%). Gravity!'s advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.5). On price, ratings volume and ads there is nothing between them.

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

Black Hole Vision holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 18 and 15 respectively. Written reviews point the same way: 74% of Gravity!'s written reviews are positive against 100% of Black Hole Vision's.

Gravity! ships an update every 2 months, Black Hole Vision every 2 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Gravity! | Black Hole Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (18 ratings)](https://appshunter.io/ios/app/gravity/id738871919/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/black-hole-vision/id6737292448/reviews)** |
| Number of ratings | **18** | 15 |
| Positive reviews | 73.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 64 MB |
| Requires iOS | **15.6** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marc Davis](https://appshunter.io/developer/1010892850) | [Alexandru Lupsasca](https://appshunter.io/developer/1775800348) |

## 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 |


### Black Hole Vision

[App page](https://appshunter.io/ios/app/black-hole-vision/id6737292448)

Experience the universe through the lens of a black hole. This app simulates how a black hole would warp your camera's view, revealing a photon ring and offering a glimpse into advanced astronomical concepts. Explore the science behind black hole lensing with open-source code and educational resources.

**Highlights:** Live camera feed simulation, Black hole lensing effect, Photon ring visualization, Open-source code available, Educational insights into astrophysics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gravity! free?

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

### Is Black Hole Vision free?

Black Hole Vision is free to download, with no in-app purchases.

### Which has better reviews, Gravity! or Black Hole Vision?

Black Hole Vision is rated higher. Gravity! averages 3.9 out of 5 from 18 ratings, while Black Hole Vision averages 4.7 from 15 ratings.

### Do Gravity! or Black Hole Vision have ads?

Neither Gravity! nor Black Hole Vision shows ads.

### Which is updated more often, Gravity! or Black Hole Vision?

Gravity! ships an update every 2 months, and Black Hole Vision every 2 weeks. Most recently, Gravity! was updated on October 12, 2026 and Black Hole Vision on October 5, 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.*