# Blob Attack vs Alien Grounds

The clearest difference is update cadence: Alien Grounds at every 8 days against Blob Attack's every 2 months. On price, ads, 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.

Blob Attack ships an update every 2 months, Alien Grounds every 8 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Blob Attack | Alien Grounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alien-grounds/id6741333498/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Ad-supported |
| Size | 109 MB | 746 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Stanislav Buchkov](https://appshunter.io/developer/1701078535) | [Dmitriy Sychev](https://appshunter.io/developer/1718411508) |

## What reviewers say

### Blob Attack

[App page](https://appshunter.io/ios/app/blob-attack-tower-defense/id6737120580)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alien Grounds

[App page](https://appshunter.io/ios/app/alien-grounds/id6741333498)

Choose your invader and conquer planets across galaxies. Engage in battles to claim your territory and become the ultimate owner of all galaxies. Experience strategic conquest and expansion.

**Highlights:** Choose your invader, Conquer planets, Galactic battles, Expand your territory, Become galaxy owner

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

**In-app purchases:** none


## Frequently asked questions

### Is Blob Attack free?

Blob Attack is free to download, with no in-app purchases.

### Is Alien Grounds free?

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

### Do Blob Attack or Alien Grounds have ads?

Both Blob Attack and Alien Grounds show ads.

### Which is updated more often, Blob Attack or Alien Grounds?

Blob Attack ships an update every 2 months, and Alien Grounds every 8 days. Most recently, Blob Attack was updated on October 16, 2026 and Alien Grounds on October 14, 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.*