# CD4 Hunter vs Immuno

The clearest difference is iOS requirement: CD4 Hunter at 7.0 against Immuno's 15.6. 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.

CD4 Hunter ships an update every 3 months, Immuno every 6 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CD4 Hunter | Immuno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (17 ratings)](https://appshunter.io/ios/app/cd4-hunter/id1186846022/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 92.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 178 MB | 288 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Drexel University](https://appshunter.io/developer/410950254) | [Skerm West](https://appshunter.io/developer/1570686556) |

## What reviewers say

### CD4 Hunter

[App page](https://appshunter.io/ios/app/cd4-hunter/id1186846022)

Engage in a fast-paced educational game where you embody an HIV virion. Infect target cells, grow your viral population, and evade the immune system to learn about viral replication. Designed for higher education biomedical science curricula.

**Highlights:** Simulate HIV-1 virion behavior, Infect target cells in the bloodstream, Grow and control viral population, Evade immune system attacks, Learn HIV-1 replication cycle, Interactive gameplay for science education

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CD4 Hunter free?

CD4 Hunter is free to download, with no in-app purchases.

### Is Immuno free?

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

### Do CD4 Hunter or Immuno have ads?

Neither CD4 Hunter nor Immuno shows ads.

### Which is updated more often, CD4 Hunter or Immuno?

CD4 Hunter ships an update every 3 months, and Immuno every 6 months. Most recently, CD4 Hunter was updated on October 24, 2026 and Immuno on October 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.*