# Overkill Zone 3D vs Alien Shooter After Dead Space

The clearest difference is review sentiment: Overkill Zone 3D at 100% against Alien Shooter After Dead Space's 0%. Overkill Zone 3D also leads on rating (5.0 vs 2.7) and in-app purchases (none vs 9). Alien Shooter After Dead Space's advantage is update cadence (monthly vs every 13 months) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Alien Shooter After Dead Space sells 9 one-off in-app purchases. Overkill Zone 3D asks for nothing beyond the download.

Overkill Zone 3D holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of Overkill Zone 3D's written reviews are positive against 0% of Alien Shooter After Dead Space's.

Overkill Zone 3D ships an update every 13 months, Alien Shooter After Dead Space monthly. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Overkill Zone 3D | Alien Shooter After Dead Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/overkill-zone-3d/id1505917695/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/alien-shooter-after-dead-space/id6444467321/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 90 MB | 229 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [喜拉 任](https://appshunter.io/developer/1447216936) | [GameEnix](https://appshunter.io/developer/1546015915) |

## What reviewers say

### Overkill Zone 3D

[App page](https://appshunter.io/ios/app/overkill-zone-3d/id1505917695)

Engage in a thrilling zombie apocalypse as a hero tasked with eliminating hordes of savage undead. Utilize a vast arsenal of upgradable weapons and strategic precision to survive intense battles and save humanity from extinction.

**Highlights:** Vast arsenal of upgradable weapons, Strategic zombie combat, Intense FPS action, Zombie apocalypse survival, Multiple weapon types, Destroy enemy bases

**In-app purchases:** none


### Alien Shooter After Dead Space

[App page](https://appshunter.io/ios/app/alien-shooter-after-dead-space/id6444467321)

Engage in a thrilling zombie and alien invasion survival game. Equip yourself with a variety of futuristic weapons and gears to battle hordes of enemies. Experience an immersive storyline with numerous missions and challenging gameplay modes.

**Highlights:** Offline gameplay, Variety of alien and robot enemies, Numerous missions and storyline, Cyberpunk alien guns, Zombie and robot apocalypse modes, Smooth controls

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Diamonds | $2.99 | one-time |
| 110 Diamonds | $7.99 | one-time |
| Unlock Guns Color | $9.99 | one-time |
| 500 Diamonds | $14.99 | one-time |
| 1000 Diamonds | $17.99 | one-time |
| Unlock Guns | $19.99 | one-time |
| Remove Ads | $19.99 | one-time |
| Unlock War Mode | $19.99 | one-time |
| Unlock Survie Levels | $19.99 | one-time |


## Frequently asked questions

### Is Overkill Zone 3D free?

Overkill Zone 3D is free to download, with no in-app purchases.

### Is Alien Shooter After Dead Space free?

Alien Shooter After Dead Space is free to download, with in-app purchases available.

### Which has better reviews, Overkill Zone 3D or Alien Shooter After Dead Space?

Overkill Zone 3D is rated higher. Overkill Zone 3D averages 5.0 out of 5 from 1 ratings, while Alien Shooter After Dead Space averages 2.7 from 3 ratings.

### Do Overkill Zone 3D or Alien Shooter After Dead Space have ads?

Both Overkill Zone 3D and Alien Shooter After Dead Space show ads.

### Which is updated more often, Overkill Zone 3D or Alien Shooter After Dead Space?

Overkill Zone 3D ships an update every 13 months, and Alien Shooter After Dead Space monthly. Most recently, Overkill Zone 3D was updated on October 4, 2026 and Alien Shooter After Dead Space 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.*