# Blue Red Combat vs UBOOTSIM

The clearest difference is price: UBOOTSIM at Free against Blue Red Combat's $1.99. UBOOTSIM also leads on update cadence (every 4 days vs weekly) and ratings volume (3 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.

UBOOTSIM is free to download; Blue Red Combat costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Blue Red Combat against 5.0 for UBOOTSIM. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Blue Red Combat ships an update weekly, UBOOTSIM every 4 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Blue Red Combat | UBOOTSIM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blue-red-combat/id6756309320/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/ubootsim/id6818294804/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 67 MB | 12 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [john davis](https://appshunter.io/developer/1189828904) | [Pablo Kessler Saiz](https://appshunter.io/developer/1818393128) |

## What reviewers say

### Blue Red Combat

[App page](https://appshunter.io/ios/app/blue-red-combat/id6756309320)

Engage in turn-based tactical combat set in World War II. Master unit positioning, combined arms, and terrain to outmaneuver computer-controlled opponents on detailed maps. This game focuses purely on strategic decision-making and classic land warfare.

**Highlights:** Turn-based tactical gameplay, World War II era setting, Multiple unit types (infantry, armor, artillery), Terrain-driven strategy, Single-player vs AI, No ads or account creation

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

**In-app purchases:** none


### UBOOTSIM

[App page](https://appshunter.io/ios/app/ubootsim/id6818294804)

Command a World War II U-boat in the Strait of Gibraltar. Hunt enemy convoys, launch torpedoes, and survive escorts with depth charges. Experience realistic submarine mechanics and soundscapes at your own pace.

**Highlights:** Periscope and binoculars with zoom, Hydrophone for detecting targets, Tactical chart for navigation, Torpedo Data Computer (TDC), Deck gun for surface attacks, Realistic diving and surfacing mechanics, Immersive sound effects

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Blue Red Combat free?

Blue Red Combat costs $1.99, with no in-app purchases.

### Is UBOOTSIM free?

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

### Which has better reviews, Blue Red Combat or UBOOTSIM?

Blue Red Combat and UBOOTSIM are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Blue Red Combat or UBOOTSIM have ads?

Neither Blue Red Combat nor UBOOTSIM shows ads.

### Which is updated more often, Blue Red Combat or UBOOTSIM?

Blue Red Combat ships an update weekly, and UBOOTSIM every 4 days. Most recently, Blue Red Combat was updated on October 30, 2026 and UBOOTSIM on November 6, 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.*