# Idle Alien vs Idle Fort 3D!

The clearest difference is update cadence: Idle Alien at every 11 days against Idle Fort 3D!'s every 19 months. Idle Alien also leads on ratings volume (124 vs 38). Idle Fort 3D!'s advantage is rating (4.7 vs 4.5) and iOS requirement (9.0 vs 15.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Idle Fort 3D! holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 124 and 38 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Idle Alien ships an update every 11 days, Idle Fort 3D! every 19 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Idle Alien | Idle Fort 3D! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (124 ratings)](https://appshunter.io/ios/app/idle-alien/id1374126355/reviews) | **[4.7 (38 ratings)](https://appshunter.io/ios/app/idle-fort-3d/id1478241118/reviews)** |
| Number of ratings | **124** | 38 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 19 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 295 MB | 177 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [vmoga](https://appshunter.io/developer/945300832) | [Yojoy](https://appshunter.io/developer/1472477790) |

## What reviewers say

### Idle Alien

[App page](https://appshunter.io/ios/app/idle-alien/id1374126355)

Engage in a hyper-casual space war by tapping to destroy hostile spaceships. Upgrade your alien heroes to increase damage and unlock new abilities. Enjoy a stress-relieving, offline gaming experience.

**Highlights:** Tap to attack spaceships, Upgrade alien heroes, Boost damage and gold, Offline gameplay, Stress-relieving mechanics, Unlock new aliens

**Features:** macOS Compatibility

**In-app purchases:** none


### Idle Fort 3D!

[App page](https://appshunter.io/ios/app/idle-fort-3d/id1478241118)

A casual brick breaker game with over 50 levels and automatic shooting forts. Enjoy strategic gameplay, daily rankings, and an offline mode. Challenge friends and unlock new forts in this popular TikTok game.

**Highlights:** Brick breaker gameplay, Automatic shooting forts, Over 50 levels, Offline mode, Daily rankings, Unlock new forts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Idle Alien free?

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

### Is Idle Fort 3D! free?

Idle Fort 3D! is free to download, with no in-app purchases.

### Which has better reviews, Idle Alien or Idle Fort 3D!?

Idle Fort 3D! is rated higher. Idle Alien averages 4.5 out of 5 from 124 ratings, while Idle Fort 3D! averages 4.7 from 38 ratings.

### Do Idle Alien or Idle Fort 3D! have ads?

Both Idle Alien and Idle Fort 3D! show ads.

### Which is updated more often, Idle Alien or Idle Fort 3D!?

Idle Alien ships an update every 11 days, and Idle Fort 3D! every 19 months. Most recently, Idle Alien was updated on November 2, 2026 and Idle Fort 3D! on November 3, 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.*