# Under Crush vs Alien Attack

The clearest difference is rating: Under Crush at 5.0 against Alien Attack's 3.8. Under Crush also leads on review sentiment (100% vs 67%) and iOS requirement (13.0 vs 15.0). Alien Attack's advantage is in-app purchases (none vs 9) and update cadence (daily vs every 2 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Under Crush sells 9 one-off in-app purchases. Alien Attack asks for nothing beyond the download.

Under Crush holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews point the same way: 100% of Under Crush's written reviews are positive against 67% of Alien Attack's.

Under Crush ships an update every 2 weeks, Alien Attack daily. Both last shipped on November 5, 2026.

## The numbers

| Metric | Under Crush | Alien Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/under-crush/id6749669156/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/alien-attack-rpg-idle-action/id6778897821/reviews) |
| Number of ratings | **10** | 5 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 134 MB | 180 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Evocentron LLC](https://appshunter.io/developer/1820074067) | [HAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1523367113) |

## What reviewers say

### Under Crush

[App page](https://appshunter.io/ios/app/under-crush/id6749669156)

A physics-based crane game that challenges your timing and strategy. Swing, drop, and smash obstacles to collect keys and earn gems. Unlock powerful abilities and compete on global leaderboards.

**Highlights:** Physics-based crane gameplay, Strategic obstacle smashing, Key collection for progression, Unlockable abilities (Thunderstorm, Extra Time, Super Load), Dynamic level challenges (e.g., earthquakes), Global leaderboard competition

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Gems | $1.99 | one-time |
| 200 Gems | $2.99 | one-time |
| Gem No Ads | $4.99 | one-time |
| 400 Gems | $5.99 | one-time |
| 800 Gems | $9.99 | one-time |
| 1000 Gems | $12.99 | one-time |
| 1500 Gems | $15.99 | one-time |
| 2000 Gems | $19.99 | one-time |
| 5000 Gems | $39.99 | one-time |


### Alien Attack

[App page](https://appshunter.io/ios/app/alien-attack-rpg-idle-action/id6778897821)

Control a rapidly evolving alien lifeform and conquer Earth. Consume humans to grow stronger, unlock new mutations, and dominate every battlefield. Upgrade your abilities and spread your alien domination across the planet.

**Highlights:** Evolve alien lifeform, Consume humans for energy, Unlock new mutations and powers, Action-packed battles, Upgrade abilities, Conquer world locations

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

**In-app purchases:** none


## Frequently asked questions

### Is Under Crush free?

Under Crush is free to download, with in-app purchases available.

### Is Alien Attack free?

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

### Which has better reviews, Under Crush or Alien Attack?

Under Crush is rated higher. Under Crush averages 5.0 out of 5 from 10 ratings, while Alien Attack averages 3.8 from 5 ratings.

### Do Under Crush or Alien Attack have ads?

Both Under Crush and Alien Attack show ads.

### Which is updated more often, Under Crush or Alien Attack?

Under Crush ships an update every 2 weeks, and Alien Attack daily. Most recently, Under Crush was updated on November 5, 2026 and Alien Attack on November 5, 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.*