# CD4 Hunter vs PathogenAR

The clearest difference is rating: PathogenAR at 5.0 against CD4 Hunter's 4.2. CD4 Hunter's advantage is iOS requirement (7.0 vs 15.0). On price, ratings volume, 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.

PathogenAR holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 17 and 15 respectively.

CD4 Hunter ships an update every 3 months, PathogenAR every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CD4 Hunter | PathogenAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (17 ratings)](https://appshunter.io/ios/app/cd4-hunter/id1186846022/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/pathogenar/id1489343174/reviews)** |
| Number of ratings | **17** | 15 |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 178 MB | 159 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Drexel University](https://appshunter.io/developer/410950254) | [NIAID](https://appshunter.io/developer/1342358975) |

## 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


### PathogenAR

[App page](https://appshunter.io/ios/app/pathogenar/id1489343174)

Explore interactive stories about infectious diseases in augmented reality. This educational app uses touch gestures or a Merge Cube to bring pathogens to life, offering an engaging way to learn about disease.

**Highlights:** Augmented Reality exploration, Interactive pathogen stories, Touch gesture controls, Merge Cube device compatibility, Educational disease content

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

**In-app purchases:** none


## Frequently asked questions

### Is CD4 Hunter free?

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

### Is PathogenAR free?

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

### Which has better reviews, CD4 Hunter or PathogenAR?

PathogenAR is rated higher. CD4 Hunter averages 4.2 out of 5 from 17 ratings, while PathogenAR averages 5.0 from 15 ratings.

### Do CD4 Hunter or PathogenAR have ads?

Neither CD4 Hunter nor PathogenAR shows ads.

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

CD4 Hunter ships an update every 3 months, and PathogenAR every 2 months. Most recently, CD4 Hunter was updated on November 2, 2026 and PathogenAR on November 3, 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.*