# Stroop Challenge Go vs Disease Dynamics

The clearest difference is in-app purchases: Stroop Challenge Go at none against Disease Dynamics's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Disease Dynamics sells 1 one-off in-app purchase. Stroop Challenge Go asks for nothing beyond the download.

## The numbers

| Metric | Stroop Challenge Go | Disease Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 50 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [晓 郭](https://appshunter.io/developer/1895645928) | [King of the Curve, LLC](https://appshunter.io/developer/1534662920) |

## What reviewers say

### Stroop Challenge Go

[App page](https://appshunter.io/ios/app/stroop-challenge-go/id6773266246)

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

**In-app purchases:** none


### Disease Dynamics

[App page](https://appshunter.io/ios/app/disease-dynamics/id6788222764)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reanimation Protocol | $1.99 | one-time |


## Frequently asked questions

### Is Stroop Challenge Go free?

Stroop Challenge Go is free to download, with no in-app purchases.

### Is Disease Dynamics free?

Disease Dynamics is free to download, with in-app purchases available.

### Do Stroop Challenge Go or Disease Dynamics have ads?

Neither Stroop Challenge Go nor Disease Dynamics shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*