# Tentacles Attack vs Alien Defense

The clearest difference is rating: Alien Defense at 2.9 against Tentacles Attack's 2.0. Alien Defense also leads on review sentiment (33% vs 3%). Tentacles Attack's advantage is in-app purchases (none vs 3) and ratings volume (39 vs 13). On price, update cadence, ads and device support there is nothing between them.

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

Alien Defense holds the better App Store score, 2.9 against 2.0. Both are backed by a comparable volume of ratings — 39 and 13 respectively. Written reviews point the same way: 3% of Tentacles Attack's written reviews are positive against 33% of Alien Defense's.

Tentacles Attack ships an update every 10 days, Alien Defense weekly. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Tentacles Attack | Alien Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (39 ratings)](https://appshunter.io/ios/app/tentacles-attack/id1645286023/reviews) | **[2.9 (13 ratings)](https://appshunter.io/ios/app/alien-defense-save-area51/id6473523122/reviews)** |
| Number of ratings | **39** | 13 |
| Positive reviews | 3.2% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 277 MB | 407 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yso Corp](https://appshunter.io/developer/659815325) | [GOODROID,Inc.](https://appshunter.io/developer/951688937) |

## What reviewers say

### Tentacles Attack

[App page](https://appshunter.io/ios/app/tentacles-attack/id1645286023)

Control a creature with tentacles to grab enemies and grow larger. Conquer the entire city by expanding your reach and overwhelming your opponents.

**Highlights:** Tentacle grabbing mechanics, Grow in size, City takeover gameplay, Enemy conquest

**Features:** macOS Compatibility

**In-app purchases:** none


### Alien Defense

[App page](https://appshunter.io/ios/app/alien-defense-save-area51/id6473523122)

Lead special forces against alien invaders in this strategy game. Command your troops to defend Area 51 and achieve victory against extraterrestrial hordes. Your strategic decisions are crucial for survival.

**Highlights:** Lead special forces, Defend Area 51, Strategy gameplay, Defeat alien hordes, Commander role

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $17.99 | one-time |
| NO ADS | $19.99 | one-time |
| Coin x2 | $19.99 | one-time |


## Frequently asked questions

### Is Tentacles Attack free?

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

### Is Alien Defense free?

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

### Which has better reviews, Tentacles Attack or Alien Defense?

Alien Defense is rated higher. Tentacles Attack averages 2.0 out of 5 from 39 ratings, while Alien Defense averages 2.9 from 13 ratings.

### Do Tentacles Attack or Alien Defense have ads?

Both Tentacles Attack and Alien Defense show ads.

### Which is updated more often, Tentacles Attack or Alien Defense?

Tentacles Attack ships an update every 10 days, and Alien Defense weekly. Most recently, Tentacles Attack was updated on October 15, 2026 and Alien Defense on October 1, 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.*