# Hemoglobin Hospital vs Cube Catch 1

The clearest difference is update cadence: Hemoglobin Hospital at every 4 months against Cube Catch 1's every 27 months. Cube Catch 1's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hemoglobin Hospital ships an update every 4 months, Cube Catch 1 every 27 months. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Hemoglobin Hospital | Cube Catch 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/hemoglobin-hospital/id539313409/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 27 months |
| Monetization | Free | — |
| Size | 12 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Niall Kehoe](https://appshunter.io/developer/845323924) |

## What reviewers say

### Hemoglobin Hospital

[App page](https://appshunter.io/ios/app/hemoglobin-hospital/id539313409)

Engage in a unique action puzzle game where you manage oxygen levels for red blood cells. Strategically attach oxygen molecules to create perfect cells and build high scores. Avoid incomplete cells to prevent your O2 gauge from depleting.

**Highlights:** Bond oxygen to red blood cells, Create perfect red blood cells, Build score chains, Manage O2 gauge, Use O2 bombs, Collect oxygen capsules

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

**In-app purchases:** none


### Cube Catch 1

[App page](https://appshunter.io/ios/app/cube-catch-1/id1109721550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hemoglobin Hospital free?

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

### Is Cube Catch 1 free?

Cube Catch 1 is free to download, with no in-app purchases.

### Do Hemoglobin Hospital or Cube Catch 1 have ads?

Both Hemoglobin Hospital and Cube Catch 1 show ads.

### Which is updated more often, Hemoglobin Hospital or Cube Catch 1?

Hemoglobin Hospital ships an update every 4 months, and Cube Catch 1 every 27 months. Most recently, Hemoglobin Hospital was updated on November 4, 2026 and Cube Catch 1 on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*