# Alien Run vs Idle Whirlpool Simulator

The clearest difference is review sentiment: Idle Whirlpool Simulator at 75% against Alien Run's 6%. Idle Whirlpool Simulator also leads on rating (4.7 vs 1.0) and ratings volume (658 vs 1). Alien Run's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Alien Run sells 17 one-off in-app purchases and Idle Whirlpool Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Idle Whirlpool Simulator holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Idle Whirlpool Simulator has 658 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 6% of Alien Run's written reviews are positive against 75% of Idle Whirlpool Simulator's.

Alien Run ships an update every 9 days, Idle Whirlpool Simulator every 3 weeks. The most recent releases landed on August 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Alien Run | Idle Whirlpool Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/alien-run-tentacle-attack/id6480405768/reviews) | **[4.7 (658 ratings)](https://appshunter.io/ios/app/idle-whirlpool-simulator/id6502993113/reviews)** |
| Number of ratings | 1 | **658** |
| Positive reviews | 6.3% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 132 MB | 239 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [HAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1523367113) | [YALP GAMES LLC](https://appshunter.io/developer/1734473116) |

## What reviewers say

### Alien Run

[App page](https://appshunter.io/ios/app/alien-run-tentacle-attack/id6480405768)

Become an unstoppable alien invader in this action-packed survival game. Use your tentacle powers to capture fleeing humans and dominate the battlefield in an epic invasion scenario. Experience intense chases and strategic mob control as the ultimate predator.

**Highlights:** Alien invasion gameplay, Tentacle attack and capture, Mob control, Monster run challenges, Chase running humans, Strategic hunting

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Money Bundle 1 | $0.99 | one-time |
| Skip It Bundle 1 | $0.99 | one-time |
| Special Offer | $0.99 | one-time |
| 1 day No Ads | $0.99 | one-time |
| Skip It Bundle 2 | $1.99 | one-time |
| Skip It Bundle 3 | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| Mini Alien | $5.99 | one-time |
| Bundle 1 | $6.99 | one-time |
| Bundle 3 | $6.99 | one-time |
| Mini Alien + No Ads | $8.99 | one-time |
| Bundle 2 | $8.99 | one-time |
| Money Bundle 4 | $9.99 | one-time |
| Skip It Bundle 4 | $9.99 | one-time |
| Bundle 4 | $14.99 | one-time |
| Bundle 5 | $19.99 | one-time |
| Bundle 6 | $39.99 | one-time |


### Idle Whirlpool Simulator

[App page](https://appshunter.io/ios/app/idle-whirlpool-simulator/id6502993113)

Engage in a destructive storm simulation where you control a whirlpool to absorb cities, farms, and everything in your path. Experience unique gameplay with various destruction modes and detailed environments. This free-to-install game offers exciting missions and the ability to upgrade your storm's power.

**Highlights:** Absorb cities, farms, and objects, Destructive storm simulation, Multiple game modes, Upgradeable storm powers, Detailed world exploration, Mission-based gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


## Frequently asked questions

### Is Alien Run free?

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

### Is Idle Whirlpool Simulator free?

Idle Whirlpool Simulator is free to download, with in-app purchases available.

### Which has better reviews, Alien Run or Idle Whirlpool Simulator?

Idle Whirlpool Simulator is rated higher. Alien Run averages 1.0 out of 5 from 1 ratings, while Idle Whirlpool Simulator averages 4.7 from 658 ratings.

### Do Alien Run or Idle Whirlpool Simulator have ads?

Both Alien Run and Idle Whirlpool Simulator show ads.

### Which is updated more often, Alien Run or Idle Whirlpool Simulator?

Alien Run ships an update every 9 days, and Idle Whirlpool Simulator every 3 weeks. Most recently, Alien Run was updated on August 1, 2026 and Idle Whirlpool Simulator on September 24, 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.*