# Singularity vs Gravity OB1

The clearest difference is ads: Gravity OB1 at none against Singularity's shown. Gravity OB1 also leads on update cadence (every 5 days vs every 6 weeks) and iOS requirement (13.4 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Singularity sells 1 one-off in-app purchase and Gravity OB1 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Singularity ships an update every 6 weeks, Gravity OB1 every 5 days. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Singularity | Gravity OB1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (112 ratings)](https://appshunter.io/ios/app/singularity-black-hole-arcade/id6755376129/reviews)** | — |
| Number of ratings | **112** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 298 MB | 25 MB |
| Requires iOS | 17.6 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Atreides LLC](https://appshunter.io/developer/1127240662) | [Q8blog](https://appshunter.io/developer/380669318) |

## What reviewers say

### Singularity

[App page](https://appshunter.io/ios/app/singularity-black-hole-arcade/id6755376129)

Guide a growing black hole through space, absorbing stars of matching colors to increase its size and power. Navigate vibrant nebulas, avoid dangerous collisions, and enjoy an evolving synth-wave soundtrack. Your skill determines how massive your cosmic entity becomes in this endless arcade challenge.

**Highlights:** Absorb matching stars to grow, Dynamic synth-wave soundtrack, Endless progression system, Color-matching gameplay, Avoid collisions with larger stars, Navigate vibrant nebulas

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Gravity OB1

[App page](https://appshunter.io/ios/app/gravity-ob1/id6788852525)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $3.99 | one-time |


## Frequently asked questions

### Is Singularity free?

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

### Is Gravity OB1 free?

Gravity OB1 is free to download, with in-app purchases available.

### Do Singularity or Gravity OB1 have ads?

Singularity shows ads; Gravity OB1 does not.

### Which is updated more often, Singularity or Gravity OB1?

Singularity ships an update every 6 weeks, and Gravity OB1 every 5 days. Most recently, Singularity was updated on October 2, 2026 and Gravity OB1 on September 28, 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.*