# Gravity! vs NOVA Black Hole Apocalypse

The clearest difference is in-app purchases: NOVA Black Hole Apocalypse at none against Gravity!'s 1. NOVA Black Hole Apocalypse also leads on iOS requirement (9.0 vs 15.6). Gravity!'s advantage is update cadence (every 2 months vs every 10 months) and review sentiment (74% vs 50%). On price, ratings volume and ads there is nothing between them.

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

Gravity! holds the better App Store score, 3.9 against 3.6. Both are backed by a comparable volume of ratings — 18 and 53 respectively. Written reviews point the same way: 74% of Gravity!'s written reviews are positive against 50% of NOVA Black Hole Apocalypse's.

Gravity! ships an update every 2 months, NOVA Black Hole Apocalypse every 10 months. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Gravity! | NOVA Black Hole Apocalypse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (18 ratings)](https://appshunter.io/ios/app/gravity/id738871919/reviews)** | [3.6 (53 ratings)](https://appshunter.io/ios/app/nova-black-hole-apocalypse/id1114574985/reviews) |
| Number of ratings | 18 | **53** |
| Positive reviews | **73.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 372 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marc Davis](https://appshunter.io/developer/1010892850) | [PBS](https://appshunter.io/developer/329374179) |

## 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 |


### NOVA Black Hole Apocalypse

[App page](https://appshunter.io/ios/app/nova-black-hole-apocalypse/id1114574985)

Guide a star through spacetime, navigating cosmic hazards to become a black hole. After playing over 50 levels, watch a documentary on black holes hosted by an astrophysicist.

**Highlights:** Over 50 levels, Stellar evolution simulation, Cosmic hazard navigation, Black hole formation, Accompanying documentary, Astrophysicist-hosted content

**In-app purchases:** none


## Frequently asked questions

### Is Gravity! free?

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

### Is NOVA Black Hole Apocalypse free?

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

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

Gravity! is rated higher. Gravity! averages 3.9 out of 5 from 18 ratings, while NOVA Black Hole Apocalypse averages 3.6 from 53 ratings.

### Do Gravity! or NOVA Black Hole Apocalypse have ads?

Neither Gravity! nor NOVA Black Hole Apocalypse shows ads.

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

Gravity! ships an update every 2 months, and NOVA Black Hole Apocalypse every 10 months. Most recently, Gravity! was updated on October 12, 2026 and NOVA Black Hole Apocalypse 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.*