# Vaccine19 vs AR Sky Stack

The clearest difference is ads: AR Sky Stack at none against Vaccine19's shown. Vaccine19's advantage is iOS requirement (15.0 vs 17.6). On price, 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 | AR Sky Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Size | 316 MB | 7 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [coolnames LLC](https://appshunter.io/developer/1513886589) | [Trevor Beaton](https://appshunter.io/developer/964296034) |

## What reviewers say

### Vaccine19

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AR Sky Stack

[App page](https://appshunter.io/ios/app/ar-sky-stack/id6743953205)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vaccine19 free?

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

### Is AR Sky Stack free?

AR Sky Stack is free to download, with no in-app purchases.

### Do Vaccine19 or AR Sky Stack have ads?

Vaccine19 shows ads; AR Sky Stack does not.

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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.*