# Sky Space Attack Mission vs Space

The clearest difference is rating: Space at 5.0 against Sky Space Attack Mission's 3.6. Space also leads on update cadence (every 2 months vs every 11 months) and review sentiment (100% vs 88%). Sky Space Attack Mission's advantage is iOS requirement (7.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Space holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 88% of Sky Space Attack Mission's written reviews are positive against 100% of Space's.

Sky Space Attack Mission ships an update every 11 months, Space every 2 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sky Space Attack Mission | Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/sky-space-attack-mission/id1200691013/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/space-defender-xtreme/id1446184263/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 88.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 20 MB | 64 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Tingchao Liu](https://appshunter.io/developer/1327362901) | [Scratchmark Ltd](https://appshunter.io/developer/1446184262) |

## What reviewers say

### Sky Space Attack Mission

[App page](https://appshunter.io/ios/app/sky-space-attack-mission/id1200691013)

Pilot a space fighter to defend the Twelve Constellations from alien invaders. Collect upgrades for your armor and weapons as you battle across the skies of Aries and beyond in this addictive arcade experience.

**Highlights:** Space fighter combat, Alien invasion defense, Collect weapon upgrades, Collect armor upgrades, Arcade gameplay

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

**In-app purchases:** none


### Space

[App page](https://appshunter.io/ios/app/space-defender-xtreme/id1446184263)

Defend Earth in this retro arcade space shooter against relentless alien invaders. Pilot unique spacecraft, utilize various weapons, and collect power-ups to survive increasingly difficult waves and boss battles. Compete on global leaderboards for the highest score.

**Highlights:** Unique spacecraft with advantages/disadvantages, Varied alien enemy types, Multiple weapon types, Challenging boss levels, Shield, Weapon, and Health power-ups, Global leaderboards

**In-app purchases:** none


## Frequently asked questions

### Is Sky Space Attack Mission free?

Sky Space Attack Mission is free to download, with no in-app purchases.

### Is Space free?

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

### Which has better reviews, Sky Space Attack Mission or Space?

Space is rated higher. Sky Space Attack Mission averages 3.6 out of 5 from 7 ratings, while Space averages 5.0 from 3 ratings.

### Do Sky Space Attack Mission or Space have ads?

Neither Sky Space Attack Mission nor Space shows ads.

### Which is updated more often, Sky Space Attack Mission or Space?

Sky Space Attack Mission ships an update every 11 months, and Space every 2 months. Most recently, Sky Space Attack Mission was updated on October 26, 2026 and Space on October 19, 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.*