# Alien Robot Defender vs Firework Invaders

The clearest difference is ads: Alien Robot Defender at none against Firework Invaders's shown. Alien Robot Defender also leads on update cadence (every 2 months vs every 36 months) and iOS requirement (6.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Alien Robot Defender ships an update every 2 months, Firework Invaders every 36 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Alien Robot Defender | Firework Invaders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alien-robot-defender/id460633266/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 36 months |
| Monetization | Free | — |
| Size | 11 MB | 75 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mike Hempfling](https://appshunter.io/developer/422781074) | [Galatic Droids](https://appshunter.io/developer/806182439) |

## What reviewers say

### Alien Robot Defender

[App page](https://appshunter.io/ios/app/alien-robot-defender/id460633266)

Engage in a classic side-scrolling shooter experience, battling waves of alien robots. Your mission is to eliminate invaders, unlock progressively challenging levels, and achieve a high score. Master diverse robot movement patterns to succeed.

**Highlights:** Side-scrolling gameplay, Battle alien robots, Unlock new levels, High score challenges, Easy controls, 40 challenging levels

**Features:** macOS Compatibility

**In-app purchases:** none


### Firework Invaders

[App page](https://appshunter.io/ios/app/firework-invaders/id1156924798)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Robot Defender free?

Alien Robot Defender is free to download, with no in-app purchases.

### Is Firework Invaders free?

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

### Do Alien Robot Defender or Firework Invaders have ads?

Firework Invaders shows ads; Alien Robot Defender does not.

### Which is updated more often, Alien Robot Defender or Firework Invaders?

Alien Robot Defender ships an update every 2 months, and Firework Invaders every 36 months. Most recently, Alien Robot Defender was updated on November 1, 2026 and Firework Invaders on November 2, 2026.

---

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