# Hemoglobin Hospital vs 柿落とし

The clearest difference is ads: 柿落とし at none against Hemoglobin Hospital's shown. 柿落とし also leads on update cadence (every 5 weeks vs every 4 months). Hemoglobin Hospital's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement 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, 柿落とし every 5 weeks. The most recent releases landed on November 4, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Hemoglobin Hospital | 柿落とし |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 39 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [Masaki Hirayama](https://appshunter.io/developer/1693736943) |

## 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


### 柿落とし

[App page](https://appshunter.io/ios/app/id6461308501)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hemoglobin Hospital free?

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

### Is 柿落とし free?

柿落とし is free to download, with no in-app purchases.

### Do Hemoglobin Hospital or 柿落とし have ads?

Hemoglobin Hospital shows ads; 柿落とし does not.

### Which is updated more often, Hemoglobin Hospital or 柿落とし?

Hemoglobin Hospital ships an update every 4 months, and 柿落とし every 5 weeks. Most recently, Hemoglobin Hospital was updated on November 4, 2026 and 柿落とし on November 12, 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.*