# Graviton vs Singularity

The clearest difference is in-app purchases: Graviton at none against Singularity's 1. Graviton also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). Singularity's advantage is update cadence (every 3 days vs every 9 days). On price and device support there is nothing between them.

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

Graviton ships an update every 9 days, Singularity every 3 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Graviton | Singularity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/singularity-tower-defense/id6796474329/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 278 MB | 122 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synclusive Games](https://appshunter.io/developer/1479976030) | [Alfredo Siezar](https://appshunter.io/developer/6796474331) |

## What reviewers say

### Graviton

[App page](https://appshunter.io/ios/app/graviton-physics-puzzle/id1480351669)

A physics-based puzzle game where you manipulate objects to guide a gravity ball to a flag. Challenge your intellect with over 80 levels across two distinct themes. It's a fun way to train your logical thinking.

**Highlights:** Physics-based object manipulation, Guide gravity ball to flag, Over 80 challenging levels, Two themes: Earth & Space, Brain-training logical puzzles, Avoid obstacles like black holes

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

**In-app purchases:** none


### Singularity

[App page](https://appshunter.io/ios/app/singularity-tower-defense/id6796474329)

Defend a central core from relentless enemy waves by strategically upgrading its abilities. Each run offers unique power-ups, leading to challenging boss battles and a persistent progression system.

**Highlights:** Minimalist core defense gameplay, Strategic mid-run ability upgrades, Boss waves every ten levels, Prestige system for permanent power, One-thumb controls, Game Center achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Graviton free?

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

### Is Singularity free?

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

### Do Graviton or Singularity have ads?

Singularity shows ads; Graviton does not.

### Which is updated more often, Graviton or Singularity?

Graviton ships an update every 9 days, and Singularity every 3 days. Most recently, Graviton was updated on October 16, 2026 and Singularity on October 25, 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.*