# Alien Tentacles vs Robot Devastators

The clearest difference is in-app purchases: Robot Devastators at none against Alien Tentacles's 2. Robot Devastators also leads on update cadence (every 3 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Alien Tentacles sells 2 in-app purchases, starting at $19.99 per month. Robot Devastators asks for nothing beyond the download.

Alien Tentacles ships an update every 8 months, Robot Devastators every 3 months. The most recent releases landed on September 22, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Alien Tentacles | Robot Devastators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/alien-tentacles-attack-master/id1672661152/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 152 MB | 177 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [FRIENDLY APPS LTD](https://appshunter.io/developer/1514360327) | [TechQiao Inc.](https://appshunter.io/developer/1594308257) |

## What reviewers say

### Alien Tentacles

[App page](https://appshunter.io/ios/app/alien-tentacles-attack-master/id1672661152)

Control a tentacled alien in a fast-paced survival adventure. Use powerful tentacles to defeat waves of enemies and dodge incoming fire. Experience pulse-pounding gameplay as you guide the alien to victory.

**Highlights:** Tentacle combat mechanics, Wave-based enemy encounters, Bullet dodging gameplay, Fast-paced action, Survival challenge

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Bundle Features Unlocked! | $19.99 | per month |
| All AppCentral Games Unlocked! | $39.99 | per month |


### Robot Devastators

[App page](https://appshunter.io/ios/app/robot-devastators/id6450830048)

**In-app purchases:** none


## Frequently asked questions

### Is Alien Tentacles free?

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

### Is Robot Devastators free?

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

### Do Alien Tentacles or Robot Devastators have ads?

Both Alien Tentacles and Robot Devastators show ads.

### Which is updated more often, Alien Tentacles or Robot Devastators?

Alien Tentacles ships an update every 8 months, and Robot Devastators every 3 months. Most recently, Alien Tentacles was updated on September 22, 2026 and Robot Devastators on October 10, 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.*