# Kill'em Aliens vs Asteroid Storms

The clearest difference is in-app purchases: Kill'em Aliens at none against Asteroid Storms's 4. Kill'em Aliens also leads on update cadence (every 8 days vs monthly) and iOS requirement (9.0 vs 13.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Asteroid Storms sells 4 one-off in-app purchases. Kill'em Aliens asks for nothing beyond the download.

Kill'em Aliens ships an update every 8 days, Asteroid Storms monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Kill'em Aliens | Asteroid Storms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (10 ratings)](https://appshunter.io/ios/app/asteroid-storms/id1467481484/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 229 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akin Kok](https://appshunter.io/developer/1321959105) | [Two Joes Gaming](https://appshunter.io/developer/1046277815) |

## What reviewers say

### Kill'em Aliens

[App page](https://appshunter.io/ios/app/killem-aliens/id1321959106)

Defend Earth from an alien invasion by shooting down enemy spacecraft. This action-packed game challenges you to protect the planet from extraterrestrial forces.

**Highlights:** Shoot alien ships, Defend Earth, Action-packed gameplay, Alien invasion theme

**Features:** macOS Compatibility

**In-app purchases:** none


### Asteroid Storms

[App page](https://appshunter.io/ios/app/asteroid-storms/id1467481484)

Defend Earth from an endless barrage of asteroids by tapping to destroy them. Deploy laser satellites, upgrade your defenses, and unlock powerful weapons to protect humanity. Face massive boss asteroids and collect power-ups to survive.

**Highlights:** Tap-to-destroy gameplay, Orbital satellite defense system, Upgrade system for defenses, Unlock special weapons, Collect power-ups, Boss battles, Combo system

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10,000 Credits | $0.99 | one-time |
| 50,000 Credit | $2.99 | one-time |
| 250,000 Credits | $4.99 | one-time |
| 1,000,000 Credits | $9.99 | one-time |


## Frequently asked questions

### Is Kill'em Aliens free?

Kill'em Aliens is free to download, with no in-app purchases.

### Is Asteroid Storms free?

Asteroid Storms is free to download, with in-app purchases available.

### Do Kill'em Aliens or Asteroid Storms have ads?

Neither Kill'em Aliens nor Asteroid Storms shows ads.

### Which is updated more often, Kill'em Aliens or Asteroid Storms?

Kill'em Aliens ships an update every 8 days, and Asteroid Storms monthly. Most recently, Kill'em Aliens was updated on November 2, 2026 and Asteroid Storms on November 3, 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.*