# Alien Raid vs Silly Monsters Invasion

The clearest difference is rating: Silly Monsters Invasion at 4.2 against Alien Raid's 3.6. Silly Monsters Invasion also leads on ratings volume (421 vs 30). Alien Raid's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Silly Monsters Invasion sells 2 one-off in-app purchases. Alien Raid asks for nothing beyond the download.

Silly Monsters Invasion holds the better App Store score, 4.2 against 3.6. That said, the two scores are not equally well evidenced: Silly Monsters Invasion has 421 ratings behind it against 30, so its average is the more settled of the two.

Alien Raid ships an update every 2 months, Silly Monsters Invasion monthly. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Alien Raid | Silly Monsters Invasion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (30 ratings)](https://appshunter.io/ios/app/alien-raid-monster-evolution/id6446621231/reviews) | **[4.2 (421 ratings)](https://appshunter.io/ios/app/silly-monsters-invasion/id6756252665/reviews)** |
| Number of ratings | 30 | **421** |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 270 MB | 198 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [MAD PIXEL](https://appshunter.io/developer/1581972745) | [Daraz Bridge](https://appshunter.io/developer/1609611880) |

## What reviewers say

### Alien Raid

[App page](https://appshunter.io/ios/app/alien-raid-monster-evolution/id6446621231)

Lead an alien invasion to conquer Earth by building and evolving a monster army. Raid human bases, gather resources, and upgrade your lab and creatures for ultimate domination in this sci-fi strategy game.

**Highlights:** Create and upgrade monsters, Tower defense meets alien strategy, Upgrade lab and workers, Arcade action and idle gameplay, Conquer iconic locations, Epic boss battles

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

**In-app purchases:** none


### Silly Monsters Invasion

[App page](https://appshunter.io/ios/app/silly-monsters-invasion/id6756252665)

Launch goofy monsters to spread playful mayhem across vibrant worlds. Enjoy satisfying chain reactions and unlock various monster types in this chaotic casual game. Perfect for fast, lighthearted fun with simple controls and colorful effects.

**Highlights:** Unlock various monsters, Explore fun environments, Simple tap-and-launch gameplay, Colorful effects and reactions, Upgrade launcher, Chain reactions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removes Forced Ads. | $4.99 | one-time |
| Unlock All Monsters and Remove Ads. | $7.99 | one-time |


## Frequently asked questions

### Is Alien Raid free?

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

### Is Silly Monsters Invasion free?

Silly Monsters Invasion is free to download, with in-app purchases available.

### Which has better reviews, Alien Raid or Silly Monsters Invasion?

Silly Monsters Invasion is rated higher. Alien Raid averages 3.6 out of 5 from 30 ratings, while Silly Monsters Invasion averages 4.2 from 421 ratings.

### Do Alien Raid or Silly Monsters Invasion have ads?

Both Alien Raid and Silly Monsters Invasion show ads.

### Which is updated more often, Alien Raid or Silly Monsters Invasion?

Alien Raid ships an update every 2 months, and Silly Monsters Invasion monthly. Most recently, Alien Raid was updated on October 16, 2026 and Silly Monsters Invasion on October 18, 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.*