# Singleton Quest vs Orbit Defense!

The clearest difference is ads: Singleton Quest at none against Orbit Defense!'s shown. Orbit Defense!'s advantage is update cadence (every 2 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Singleton Quest ships an update monthly, Orbit Defense! every 2 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Singleton Quest | Orbit Defense! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/orbit-defense/id6740201001/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 453 MB | 144 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Homo Ludens GmbH](https://appshunter.io/developer/1521470669) | [Funnel Entertainment](https://appshunter.io/developer/1128330092) |

## What reviewers say

### Singleton Quest

[App page](https://appshunter.io/ios/app/singleton-quest/id1585786497)

**Features:** macOS Compatibility

**In-app purchases:** none


### Orbit Defense!

[App page](https://appshunter.io/ios/app/orbit-defense/id6740201001)

Engage in intense space combat, automatically shooting or manually aiming at enemies and asteroids. Unlock new abilities and permanent upgrades to enhance your ship's stats and progress through levels. Compete globally to climb the leaderboard and prove your dominance.

**Highlights:** Auto or manual aiming, Unlock new abilities, Permanent ship upgrades, Climb global leaderboards, Survive intense waves

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Singleton Quest free?

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

### Is Orbit Defense! free?

Orbit Defense! is free to download, with no in-app purchases.

### Do Singleton Quest or Orbit Defense! have ads?

Orbit Defense! shows ads; Singleton Quest does not.

### Which is updated more often, Singleton Quest or Orbit Defense!?

Singleton Quest ships an update monthly, and Orbit Defense! every 2 days. Most recently, Singleton Quest was updated on September 22, 2026 and Orbit Defense! 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.*