# Immuno vs Hep B

The clearest difference is update cadence: Immuno at every 6 months against Hep B's every 16 months. Hep B's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Immuno ships an update every 6 months, Hep B every 16 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Immuno | Hep B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hep-b-ware/id1478014853/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 288 MB | 332 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Skerm West](https://appshunter.io/developer/1570686556) | [Drexel University](https://appshunter.io/developer/410950254) |

## What reviewers say

### Immuno

[App page](https://appshunter.io/ios/app/immuno-t/id1281477156)

This app uses a motion comic to visually explain the complex process of immunotherapy. It illustrates how cancer cells develop, how the immune system fights them, and how immunotherapy can enhance the body's defense. It serves as a supplementary tool for patients and their families to understand treatment information.

**Highlights:** Visual explanation of immunotherapy, Normal cell to cancer cell progression, Immune system's role in fighting cancer, How cancer cells evade the immune system, Immunotherapy strengthening the immune system, Support for patients and families

**Features:** macOS Compatibility

**In-app purchases:** none


### Hep B

[App page](https://appshunter.io/ios/app/hep-b-ware/id1478014853)

Explore the world of infectious diseases through engaging gameplay. This educational game allows players to embody a virus, navigate the bloodstream, and infect liver cells while learning key scientific concepts through interactive levels and quizzes.

**Highlights:** Simulate hepatitis B virus infection, Navigate bloodstream to infect liver cells, 7 educational game levels, Interactive pop-quizzes, Learn scientific terms, Understand viral life cycle

**In-app purchases:** none


## Frequently asked questions

### Is Immuno free?

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

### Is Hep B free?

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

### Do Immuno or Hep B have ads?

Neither Immuno nor Hep B shows ads.

### Which is updated more often, Immuno or Hep B?

Immuno ships an update every 6 months, and Hep B every 16 months. Most recently, Immuno was updated on October 6, 2026 and Hep B on October 13, 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.*