# Hemoglobin Hospital vs Explode or whack

The clearest difference is monetization model: Hemoglobin Hospital at free against Explode or whack's ad-supported. Explode or whack's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads 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, Explode or whack every 5 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Hemoglobin Hospital | Explode or whack |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 162 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Masakazu Yonehara](https://appshunter.io/developer/1339210794) | [YUSUKE SAKAMOTO](https://appshunter.io/developer/1714748678) |

## 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


### Explode or whack

[App page](https://appshunter.io/ios/app/explode-or-whack-a-mole-game/id6479831172)

Engage in a fast-paced game where you tap on moles while strategically avoiding bombs. This casual game offers quick, stress-relieving sessions with combo mechanics and a unique bomb system that challenges your reflexes and decision-making. Uncover an epic story of conflict between humans and moles.

**Highlights:** Fast-paced tapping gameplay, Avoid bombs to preserve health, Combo system for high scores, Unique bomb mechanics, Boss battles with voice acting, Epic story mode, Brain workout and dementia prevention

**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 Explode or whack free?

Explode or whack is free to download, with no in-app purchases.

### Do Hemoglobin Hospital or Explode or whack have ads?

Both Hemoglobin Hospital and Explode or whack show ads.

### Which is updated more often, Hemoglobin Hospital or Explode or whack?

Hemoglobin Hospital ships an update every 4 months, and Explode or whack every 5 months. Most recently, Hemoglobin Hospital was updated on November 4, 2026 and Explode or whack on October 30, 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.*