# Singularity vs Slime Stack

The clearest difference is in-app purchases: Slime Stack at none against Singularity's 1. Slime Stack also leads on update cadence (every 4 days vs every 6 weeks) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Singularity sells 1 one-off in-app purchase. Slime Stack asks for nothing beyond the download.

Singularity ships an update every 6 weeks, Slime Stack every 4 days. Both last shipped on September 18, 2026.

## The numbers

| Metric | Singularity | Slime Stack |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 298 MB | 44 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Atreides LLC](https://appshunter.io/developer/1127240662) | [Meshal Alamri](https://appshunter.io/developer/1784274279) |

## 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 |


### Slime Stack

[App page](https://appshunter.io/ios/app/slime-stack/id6759118152)

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

**In-app purchases:** none


## Frequently asked questions

### Is Singularity free?

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

### Is Slime Stack free?

Slime Stack is free to download, with no in-app purchases.

### Do Singularity or Slime Stack have ads?

Both Singularity and Slime Stack show ads.

### Which is updated more often, Singularity or Slime Stack?

Singularity ships an update every 6 weeks, and Slime Stack every 4 days. Most recently, Singularity was updated on September 18, 2026 and Slime Stack on September 18, 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.*