# UBoat Commander vs Castle Fight!

The clearest difference is in-app purchases: Castle Fight! at none against UBoat Commander's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. UBoat Commander sells 2 one-off in-app purchases. Castle Fight! asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UBoat Commander | Castle Fight! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/uboat-commander/id6760224570/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 406 MB | 455 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ivan Trafimovich](https://appshunter.io/developer/1601984095) | [Bhanuben Patel](https://appshunter.io/developer/1525685300) |

## What reviewers say

### UBoat Commander

[App page](https://appshunter.io/ios/app/uboat-commander/id6760224570)

Command a World War II submarine, navigating the ocean depths to hunt enemy ships and convoys. Strategize your attacks with torpedoes and stealth, then upgrade your vessel for enhanced speed, armor, and weaponry to survive intense naval battles.

**Highlights:** Command a WW2 submarine, Hunt enemy ships and convoys, Navigate surface and underwater, Upgrade submarine speed, armor, stealth, Unlock new weapons and abilities, Complete diverse missions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads package | $2.99 | one-time |
| VIP USS Gato submarine package | $12.99 | one-time |


### Castle Fight!

[App page](https://appshunter.io/ios/app/castle-fight/id6774897075)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UBoat Commander free?

UBoat Commander is free to download, with in-app purchases available.

### Is Castle Fight! free?

Castle Fight! is free to download, with no in-app purchases.

### Do UBoat Commander or Castle Fight! have ads?

Both UBoat Commander and Castle Fight! show ads.

### Which is updated more often, UBoat Commander or Castle Fight!?

UBoat Commander ships an update every 4 days, and Castle Fight! every 4 days. Most recently, UBoat Commander was updated on November 5, 2026 and Castle Fight! on October 31, 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.*