# HARM Invaders vs Alien Swarm 3

The clearest difference is in-app purchases: Alien Swarm 3 at none against HARM Invaders's 4. HARM Invaders's advantage is ads (none vs shown) and iOS requirement (8.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. HARM Invaders sells 4 one-off in-app purchases. Alien Swarm 3 asks for nothing beyond the download.

HARM Invaders ships an update every 34 months, Alien Swarm 3 every 23 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | HARM Invaders | Alien Swarm 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/harm-invaders/id966535230/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 23 months** |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 67 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [Galatic Droids](https://appshunter.io/developer/806182439) |

## What reviewers say

### HARM Invaders

[App page](https://appshunter.io/ios/app/harm-invaders/id966535230)

Command Earth's first space fighter to defend humanity from an alien threat originating from Mars. Engage in fast-paced 3D combat across the solar system, researching weapons and battling replicating alien machines.

**Highlights:** Real-time 3D graphics, Diverse enemy types, Dozens of weapons, Space ship 3D combat, Local & Global high-score tables, Rank system

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Research Machine Credits | $0.99 | one-time |
| 500 Brain Power | $1.99 | one-time |
| 2000 Brain Power | $4.99 | one-time |
| 10000 Research Machine Credits | $9.99 | one-time |


### Alien Swarm 3

[App page](https://appshunter.io/ios/app/alien-swarm-3/id1002907288)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HARM Invaders free?

HARM Invaders is free to download, with in-app purchases available.

### Is Alien Swarm 3 free?

Alien Swarm 3 is free to download, with no in-app purchases.

### Do HARM Invaders or Alien Swarm 3 have ads?

Alien Swarm 3 shows ads; HARM Invaders does not.

### Which is updated more often, HARM Invaders or Alien Swarm 3?

HARM Invaders ships an update every 34 months, and Alien Swarm 3 every 23 months. Most recently, HARM Invaders was updated on October 14, 2026 and Alien Swarm 3 on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*