# Celestial Assault vs Space

The clearest difference is rating: Space at 5.0 against Celestial Assault's 3.8. Space also leads on in-app purchases (none vs 8) and review sentiment (100% vs 85%). Celestial Assault's advantage is iOS requirement (6.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Celestial Assault sells 8 one-off in-app purchases. Space asks for nothing beyond the download.

Space holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 85% of Celestial Assault's written reviews are positive against 100% of Space's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 5, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Celestial Assault | Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/celestial-assault/id521598347/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/space-defender-xtreme/id1446184263/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 105 MB | 64 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Lucid Vision Games](https://appshunter.io/developer/379877655) | [Scratchmark Ltd](https://appshunter.io/developer/1446184262) |

## What reviewers say

### Celestial Assault

[App page](https://appshunter.io/ios/app/celestial-assault/id521598347)

Engage in a retro-style side-scrolling space shooter with RPG elements. Upgrade your ship's weapons and attributes by destroying enemies, collecting items, and gaining experience. Complete missions with star ratings for a challenging and replayable experience.

**Highlights:** Side-scrolling space shooter gameplay, RPG style character leveling, Stackable weapons, 30 unique missions with boss fights, Challenging and diverse gameplay, Replayability with difficulty settings, Purchaseable shortcuts and add-ins

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $10,000 Gold | $0.99 | one-time |
| Attribute Point | $0.99 | one-time |
| Attribute Reset | $0.99 | one-time |
| Advanced Stacking | $1.99 | one-time |
| Deep Space Mission Pack | $1.99 | one-time |
| Advanced Ranks | $2.99 | one-time |
| $50,000 Gold | $2.99 | one-time |
| 5 Attribute Points | $2.99 | one-time |


### 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 Celestial Assault free?

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

### Is Space free?

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

### Which has better reviews, Celestial Assault or Space?

Space is rated higher. Celestial Assault averages 3.8 out of 5 from 4 ratings, while Space averages 5.0 from 3 ratings.

### Do Celestial Assault or Space have ads?

Neither Celestial Assault nor Space shows ads.

### Which is updated more often, Celestial Assault or Space?

Celestial Assault ships an update every 2 months, and Space every 2 months. Most recently, Celestial Assault was updated on June 5, 2026 and Space on June 4, 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.*