# Draggio vs Alien Defense

The clearest difference is in-app purchases: Draggio at none against Alien Defense's 3. Draggio also leads on update cadence (every 2 days vs fortnightly). Alien Defense's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Alien Defense sells 3 one-off in-app purchases. Draggio asks for nothing beyond the download.

Draggio ships an update every 2 days, Alien Defense fortnightly. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Draggio | Alien Defense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Fortnightly |
| Size | 12 MB | 284 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Victor San Vicente Boralla](https://appshunter.io/developer/1081428236) | [PLAYGENIX EDTECH INC.](https://appshunter.io/developer/6784856448) |

## What reviewers say

### Draggio

[App page](https://appshunter.io/ios/app/draggio/id6761821163)

**In-app purchases:** none


### Alien Defense

[App page](https://appshunter.io/ios/app/alien-defense-space-tower-rts/id6776451528)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Gas | $0.99 | one-time |
| 4,000 Gas | $4.99 | one-time |
| 20,000 Gas | $19.99 | one-time |


## Frequently asked questions

### Is Draggio free?

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

### Is Alien Defense free?

Alien Defense is free to download, with in-app purchases available.

### Do Draggio or Alien Defense have ads?

Both Draggio and Alien Defense show ads.

### Which is updated more often, Draggio or Alien Defense?

Draggio ships an update every 2 days, and Alien Defense fortnightly. Most recently, Draggio was updated on October 31, 2026 and Alien Defense on November 7, 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.*