# Stroop Test J Lite vs Open PVT

The clearest difference is ads: Open PVT at none against Stroop Test J Lite's shown. Open PVT also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price 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.

## The numbers

| Metric | Stroop Test J Lite | Open PVT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 36 months | — |
| Monetization | Ad-supported | — |
| Size | 4 MB | 20 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Kawakami](https://appshunter.io/developer/721449462) | [BARBARA SORG INGERMANN](https://appshunter.io/developer/6809951038) |

## What reviewers say

### Stroop Test J Lite

[App page](https://appshunter.io/ios/app/stroop-test-j-lite/id1095231198)

This app measures response inhibition and attention by presenting a classic cognitive test. It helps assess potential frontal lobe dysfunction and interference processing. Results indicate time taken and errors, with higher scores suggesting greater impairment.

**Highlights:** Response inhibition assessment, Attention division test, Measures time to complete, Counts mistakes, Interference processing evaluation

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

**In-app purchases:** none


### Open PVT

[App page](https://appshunter.io/ios/app/open-pvt/id6809951036)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stroop Test J Lite free?

Stroop Test J Lite is free to download, with no in-app purchases.

### Is Open PVT free?

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

### Do Stroop Test J Lite or Open PVT have ads?

Stroop Test J Lite shows ads; Open PVT does not.

---

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