# Sky Invaders vs Orb.

The clearest difference is ads: Sky Invaders at none against Orb.'s shown. Sky Invaders also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Sky Invaders ships an update every 23 months, Orb. every 25 months. The most recent releases landed on September 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sky Invaders | Orb. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sky-invaders/id566963150/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 23 months** | Every 25 months |
| Monetization | Free | — |
| Size | 4 MB | 11 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alphaworks](https://appshunter.io/developer/566963153) | [Allen Stevens](https://appshunter.io/developer/944572355) |

## What reviewers say

### Sky Invaders

[App page](https://appshunter.io/ios/app/sky-invaders/id566963150)

Defend Earth from relentless alien invaders as the last Sky Fighter. Obliterate waves of increasingly formidable enemies, strategize your limited firepower, and climb the leaderboard in this fast-paced, retro-style arcade game.

**Highlights:** Defend Earth from alien invaders, Increasingly challenging enemy waves, Limited firepower strategy, Climb the leaderboard, Fast-paced gameplay, Retro visuals

**In-app purchases:** none


### Orb.

[App page](https://appshunter.io/ios/app/orb/id1001083068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sky Invaders free?

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

### Is Orb. free?

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

### Do Sky Invaders or Orb. have ads?

Orb. shows ads; Sky Invaders does not.

### Which is updated more often, Sky Invaders or Orb.?

Sky Invaders ships an update every 23 months, and Orb. every 25 months. Most recently, Sky Invaders was updated on September 14, 2026 and Orb. on October 3, 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.*