# Visual Vertical vs Stroop Test J

Visual Vertical and Stroop Test J both sit at 2.0 stars, but that hides the real split: 100% of Visual Vertical's written reviews are positive against 0% of Stroop Test J's. Visual Vertical also leads on ratings volume (5 vs 1). Stroop Test J's advantage is price ($1.99 vs $11.99) and iOS requirement (8.0 vs 16.6). On rating, update cadence, ads and in-app purchases there is nothing between them.

Visual Vertical costs $11.99 and Stroop Test J $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 2.0 for Visual Vertical against 2.0 for Stroop Test J. That said, the two scores are not equally well evidenced: Visual Vertical has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Visual Vertical's written reviews are positive against 0% of Stroop Test J's.

Visual Vertical ships an update every 38 months, Stroop Test J every 37 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Visual Vertical | Stroop Test J |
| --- | --- | --- |
| Price | $11.99 | **$1.99** |
| Rating | [2.0 (5 ratings)](https://appshunter.io/ios/app/visual-vertical/id419017746/reviews) | [2.0 (1 ratings)](https://appshunter.io/ios/app/stroop-test-j/id1095221202/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 37 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 1 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Clear Health Media](https://appshunter.io/developer/419017749) | [Takuya Kawakami](https://appshunter.io/developer/721449462) |

## What reviewers say

### Visual Vertical

[App page](https://appshunter.io/ios/app/visual-vertical/id419017746)

This medical app offers a quick, accurate, and low-cost method for measuring subjective visual vertical. It's designed for neurologists and vestibular rehabilitation specialists to test patients, especially for brainstem lesions and otolithic function, using just an iPhone or iPad.

**Highlights:** Measure subjective visual vertical, Accurate and low-cost testing, Suitable for neurology and vestibular rehab, Tests for brainstem lesions, Evaluates otolithic function, Multiple readings and averaged results, Single, one-off readings

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

**In-app purchases:** none


### Stroop Test J

[App page](https://appshunter.io/ios/app/stroop-test-j/id1095221202)

This application administers the Stroop test to assess cognitive functions like response inhibition and attention. It measures performance by timing task completion and counting mistakes, with higher scores indicating greater impairment.

**Highlights:** Administers Stroop test, Measures response inhibition, Assesses attention ability, Records task completion time, Counts mistakes, Reports results for impairment assessment

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

**In-app purchases:** none


## Frequently asked questions

### Is Visual Vertical free?

Visual Vertical costs $11.99, with no in-app purchases.

### Is Stroop Test J free?

Stroop Test J costs $1.99, with no in-app purchases.

### Which has better reviews, Visual Vertical or Stroop Test J?

Visual Vertical and Stroop Test J are both rated 2.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Visual Vertical or Stroop Test J have ads?

Neither Visual Vertical nor Stroop Test J shows ads.

### Which is updated more often, Visual Vertical or Stroop Test J?

Visual Vertical ships an update every 38 months, and Stroop Test J every 37 months. Most recently, Visual Vertical was updated on September 24, 2026 and Stroop Test J on September 18, 2026.

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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.*