# Crab Castles vs Tentacles Attack

The clearest difference is review sentiment: Crab Castles at 80% against Tentacles Attack's 3%. Crab Castles also leads on rating (4.5 vs 2.0) and ads (none vs shown). Tentacles Attack's advantage is in-app purchases (none vs 10) and update cadence (every 10 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Crab Castles sells 10 one-off in-app purchases. Tentacles Attack asks for nothing beyond the download.

Crab Castles holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Tentacles Attack has 39 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Crab Castles's written reviews are positive against 3% of Tentacles Attack's.

Crab Castles ships an update every 6 weeks, Tentacles Attack every 10 days. The most recent releases landed on June 11, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Crab Castles | Tentacles Attack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/crab-castles/id938530959/reviews)** | [2.0 (39 ratings)](https://appshunter.io/ios/app/tentacles-attack/id1645286023/reviews) |
| Number of ratings | 2 | **39** |
| Positive reviews | **80.0% of reviews** | 3.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 150 MB | 277 MB |
| Requires iOS | **6.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ArtsTechLab](https://appshunter.io/developer/876684227) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Crab Castles

[App page](https://appshunter.io/ios/app/crab-castles/id938530959)

Build sandcastles with crab helpers on a tropical island, overcoming obstacles like gulls and earthquakes. Earn in-game currency to upgrade your crabs and explore beaches while learning marine life facts. A portion of in-app purchases supports ocean conservation.

**Highlights:** Sandcastle building with crab helpers, Obstacle challenges (gulls, earthquakes), In-game currency for upgrades, Marine conservation education, Creative sandbox mode, Trash cleanup missions

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RemoveAds_U1M changed | $0.99 | one-time |
| GuidedSandDollar_PU1M Changed | $0.99 | one-time |
| StopGulls.PU2M Changed | $0.99 | one-time |
| StopTurtles_PU3M changed | $0.99 | one-time |
| Guided Sand Dollar Pack Of Ten | $0.99 | one-time |
| Stop Gulls Pack Of Ten | $0.99 | one-time |
| Stop Turtles Pack Of Ten | $0.99 | one-time |
| Guided Sand Dollar Consumable | $0.99 | one-time |
| Stop Gulls Consumable | $0.99 | one-time |
| Stop Turtles Consumable | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Crab Castles free?

Crab Castles is free to download, with in-app purchases available.

### Is Tentacles Attack free?

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

### Which has better reviews, Crab Castles or Tentacles Attack?

Crab Castles is rated higher. Crab Castles averages 4.5 out of 5 from 2 ratings, while Tentacles Attack averages 2.0 from 39 ratings.

### Do Crab Castles or Tentacles Attack have ads?

Tentacles Attack shows ads; Crab Castles does not.

### Which is updated more often, Crab Castles or Tentacles Attack?

Crab Castles ships an update every 6 weeks, and Tentacles Attack every 10 days. Most recently, Crab Castles was updated on June 11, 2026 and Tentacles Attack on September 4, 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.*