# Sci vs XGalaga

The clearest difference is price: Sci at Free against XGalaga's $1.99. Sci also leads on iOS requirement (11.0 vs 16.0). XGalaga's advantage is update cadence (every 5 days vs every 58 months). On ads, in-app purchases and device support there is nothing between them.

Sci is free to download; XGalaga costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sci ships an update every 58 months, XGalaga every 5 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sci | XGalaga |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/xgalaga/id6759682684/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 58 months | **Every 5 days** |
| Monetization | — | Paid |
| Size | 41 MB | 14 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod, Apple TV | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Marek Skreko](https://appshunter.io/developer/1558127762) | [Michael Wickens](https://appshunter.io/developer/1880185005) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-fi-platformer/id1558127760)

**Features:** macOS Compatibility

**In-app purchases:** none


### XGalaga

[App page](https://appshunter.io/ios/app/xgalaga/id6759682684)

Experience classic arcade space-shooter action with fast gameplay and responsive controls. Test your reflexes against intense enemy waves in a clean retro style, optimized for all Apple devices. Enjoy instant pick-up-and-play fun with quick sessions.

**Highlights:** Classic arcade space shooter gameplay, Options for sound, auto-fire, lives, and controller, Record high scores and view scoreboard, Optimized for Apple Watch, iPhone, iPad, Apple TV, and Mac, Smooth 60 FPS performance, Quick sessions for short bursts of play, Retro visuals

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is XGalaga free?

XGalaga costs $1.99, with no in-app purchases.

### Do Sci or XGalaga have ads?

Neither Sci nor XGalaga shows ads.

### Which is updated more often, Sci or XGalaga?

Sci ships an update every 58 months, and XGalaga every 5 days. Most recently, Sci was updated on October 27, 2026 and XGalaga on October 24, 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.*