# ZenShell vs Alien Tentacles

The clearest difference is rating: ZenShell at 4.8 against Alien Tentacles's 1.0. ZenShell also leads on in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

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

ZenShell holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: ZenShell has 5 ratings behind it against 1, so its average is the more settled of the two.

ZenShell ships an update every 2 months, Alien Tentacles every 8 months. The most recent releases landed on June 5, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ZenShell | Alien Tentacles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/zenshell/id348537801/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/alien-tentacles-attack-master/id1672661152/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 179 MB | 152 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Z Sculpt](https://appshunter.io/developer/348537806) | [FRIENDLY APPS LTD](https://appshunter.io/developer/1514360327) |

## What reviewers say

### ZenShell

[App page](https://appshunter.io/ios/app/zenshell/id348537801)

Test your reflexes and hand-eye coordination with this classic "ball and cups" style game. Catch hermit crabs as they move rapidly under shells. See if your eyes are fast enough to keep up!

**Highlights:** Hand-eye coordination test, Classic "ball and cups" gameplay, Fast-paced shell following, Hermit crab catching, Reaction time challenge

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ZenShell free?

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

### Is Alien Tentacles free?

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

### Which has better reviews, ZenShell or Alien Tentacles?

ZenShell is rated higher. ZenShell averages 4.8 out of 5 from 5 ratings, while Alien Tentacles averages 1.0 from 1 ratings.

### Do ZenShell or Alien Tentacles have ads?

Alien Tentacles shows ads; ZenShell does not.

### Which is updated more often, ZenShell or Alien Tentacles?

ZenShell ships an update every 2 months, and Alien Tentacles every 8 months. Most recently, ZenShell was updated on June 5, 2026 and Alien Tentacles on September 7, 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.*