# Immunity vs Pathogen Zero

The clearest difference is in-app purchases: Immunity at none against Pathogen Zero's 2. Immunity also leads on iOS requirement (14.3 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Pathogen Zero sells 2 one-off in-app purchases. Immunity asks for nothing beyond the download.

## The numbers

| Metric | Immunity | Pathogen Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 343 MB | 6 MB |
| Requires iOS | **14.3** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [DALTON SANDOR DRISCOLL](https://appshunter.io/developer/6779970862) | [Pol Mendieta](https://appshunter.io/developer/1854436570) |

## What reviewers say

### Immunity

[App page](https://appshunter.io/ios/app/immunity-pathogen-defense/id6780637686)

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

**In-app purchases:** none


### Pathogen Zero

[App page](https://appshunter.io/ios/app/pathogen-zero/id6786930453)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Genetic Boost Pack (5) | $1.99 | one-time |
| Unlock All Pathogens | $3.99 | one-time |


## Frequently asked questions

### Is Immunity free?

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

### Is Pathogen Zero free?

Pathogen Zero is free to download, with in-app purchases available.

### Do Immunity or Pathogen Zero have ads?

Neither Immunity nor Pathogen Zero shows ads.

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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.*