# COM vs CD4 Hunter

The clearest difference is iOS requirement: CD4 Hunter at 7.0 against COM's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 13, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | COM | CD4 Hunter |
| --- | --- | --- |
| 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 2 MB | 178 MB |
| Requires iOS | 16.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Eduardo Galembeck](https://appshunter.io/developer/421224798) | [Drexel University](https://appshunter.io/developer/410950254) |

## What reviewers say

### COM

[App page](https://appshunter.io/ios/app/com-oxygen-consumption/id820289539)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is COM free?

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

### Is CD4 Hunter free?

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

### Do COM or CD4 Hunter have ads?

Neither COM nor CD4 Hunter shows ads.

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

COM ships an update every 3 months, and CD4 Hunter every 3 months. Most recently, COM was updated on November 13, 2026 and CD4 Hunter on November 2, 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.*