# Celestial Assault vs Universe Invader 2

The clearest difference is rating: Universe Invader 2 at 4.8 against Celestial Assault's 3.8. Universe Invader 2 also leads on ratings volume (85 vs 4) and review sentiment (94% vs 85%). Celestial Assault's advantage is ads (none vs shown) and iOS requirement (6.0 vs 15.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Celestial Assault sells 8 one-off in-app purchases and Universe Invader 2 sells 43 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Universe Invader 2 holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Universe Invader 2 has 85 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 85% of Celestial Assault's written reviews are positive against 94% of Universe Invader 2's.

Celestial Assault ships an update every 2 months, Universe Invader 2 every 5 weeks. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Celestial Assault | Universe Invader 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/celestial-assault/id521598347/reviews) | **[4.8 (85 ratings)](https://appshunter.io/ios/app/universe-invader-2-alien-war/id6739988487/reviews)** |
| Number of ratings | 4 | **85** |
| Positive reviews | 85.0% of reviews | **94.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 466 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Lucid Vision Games](https://appshunter.io/developer/379877655) | [Gcenter](https://appshunter.io/developer/1473786034) |

## 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 |


### Universe Invader 2

[App page](https://appshunter.io/ios/app/universe-invader-2-alien-war/id6739988487)

Embark on an epic space adventure to defend the galaxy from an alien invasion. This arcade shooter combines classic gameplay with stunning modern graphics, intense battles, and challenging boss fights. Collect power-ups and unlock achievements as you fight to save the universe.

**Highlights:** Stunning galaxy graphics, Intense alien battles, Epic boss fights, Collect power-ups and bonuses, Unlock achievements and rewards

**Features:** macOS Compatibility

**In-app purchases (43)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bundle Vip 4 | $0.99 | one-time |
| Lucky Clover's Offer 1 | $0.99 | one-time |
| Bundle Vip 2 | $0.99 | one-time |
| Bundle Vip 1 | $0.99 | one-time |
| Starter Pack | $0.99 | one-time |
| Ruby 2 | $1.99 | one-time |
| Premium Starter | $1.99 | one-time |
| Instant Rank Up 2 | $1.99 | one-time |
| Ruby Offer 1 | $1.99 | one-time |
| Endless Item Pass | $2.99 | one-time |
| Fighter Trion Launch Discount | $2.99 | one-time |
| Fighter K-oni Launch Discount | $2.99 | one-time |
| Ruby Offer 4 | $3.99 | one-time |
| Ruby Offer 2 | $4.49 | one-time |
| Unlock Hunt Advanced Pass | $4.99 | one-time |
| Gold 3 | $4.99 | one-time |
| Ruby 3 | $4.99 | one-time |
| Combo Ruby And Gold | $4.99 | one-time |
| Instant Rank Up 3 | $4.99 | one-time |
| War Machine 5 | $4.99 | one-time |
| War Machine 2 | $4.99 | one-time |
| War Machine 3 | $4.99 | one-time |
| Ruby Offer 3 | $5.99 | one-time |
| Galactic Ruler 1 | $9.99 | one-time |
| Combo SS Devices | $9.99 | one-time |
| Ruby Offer 5 | $9.99 | one-time |
| Instant Rank Up 5 | $9.99 | one-time |
| Abyss Void Launch Discount | $9.99 | one-time |
| Galactic Ruler 4 | $9.99 | one-time |
| Galactic Ruler 5 | $9.99 | one-time |
| Galactic Ruler 8 | $9.99 | one-time |
| Ruby Offer 6 | $11.99 | one-time |
| Instant Rank Up 6 | $11.99 | one-time |
| Scorpio VI - Unlock | $12.99 | one-time |
| Instant Rank Up 7 | $14.99 | one-time |
| Dream Team | $19.99 | one-time |
| Abyss Void - Unlock | $19.99 | one-time |
| Instant Rank Up 9 | $24.99 | one-time |
| Instant Rank Up 10 | $29.99 | one-time |
| Bundle Vip 9 | $49.99 | one-time |
| Bundle Vip 13 | $99.99 | one-time |
| Bundle Vip 14 | $99.99 | one-time |
| Bundle Vip 20 | $99.99 | one-time |


## Frequently asked questions

### Is Celestial Assault free?

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

### Is Universe Invader 2 free?

Universe Invader 2 is free to download, with in-app purchases available.

### Which has better reviews, Celestial Assault or Universe Invader 2?

Universe Invader 2 is rated higher. Celestial Assault averages 3.8 out of 5 from 4 ratings, while Universe Invader 2 averages 4.8 from 85 ratings.

### Do Celestial Assault or Universe Invader 2 have ads?

Universe Invader 2 shows ads; Celestial Assault does not.

### Which is updated more often, Celestial Assault or Universe Invader 2?

Celestial Assault ships an update every 2 months, and Universe Invader 2 every 5 weeks. Most recently, Celestial Assault was updated on October 23, 2026 and Universe Invader 2 on October 20, 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.*