# Vaccine19 vs Disturbed Protocol Zero

The clearest difference is iOS requirement: Disturbed Protocol Zero at 13.0 against Vaccine19's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Vaccine19 | Disturbed Protocol Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 316 MB | 185 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [coolnames LLC](https://appshunter.io/developer/1513886589) | [Alejandro Dominguez](https://appshunter.io/developer/1790371803) |

## What reviewers say

### Vaccine19

[App page](https://appshunter.io/ios/app/vaccine19/id1513886590)

**Features:** macOS Compatibility

**In-app purchases:** none


### Disturbed Protocol Zero

[App page](https://appshunter.io/ios/app/disturbed-protocol-zero/id6784224989)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vaccine19 free?

Vaccine19 is free to download, with no in-app purchases.

### Is Disturbed Protocol Zero free?

Disturbed Protocol Zero is free to download, with no in-app purchases.

### Do Vaccine19 or Disturbed Protocol Zero have ads?

Both Vaccine19 and Disturbed Protocol Zero show 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.*