# Visual Vertical vs Lazy Eye VisionSimul

The clearest difference is review sentiment: Visual Vertical at 100% against Lazy Eye VisionSimul's 0%. Lazy Eye VisionSimul's advantage is price ($2.99 vs $11.99) and update cadence (every 3 months vs every 38 months). On ads, in-app purchases and monetization model there is nothing between them.

Visual Vertical costs $11.99 and Lazy Eye VisionSimul $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visual Vertical ships an update every 38 months, Lazy Eye VisionSimul every 3 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Visual Vertical | Lazy Eye VisionSimul |
| --- | --- | --- |
| Price | $11.99 | **$2.99** |
| Rating | **[2.0 (5 ratings)](https://appshunter.io/ios/app/visual-vertical/id419017746/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 10 MB | 119 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Clear Health Media](https://appshunter.io/developer/419017749) | [俊华 罗](https://appshunter.io/developer/1339023360) |

## 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


### Lazy Eye VisionSimul

[App page](https://appshunter.io/ios/app/lazy-eye-visionsimul/id1367691995)

This app simulates visual system disorders, specifically lazy eye, to help users understand the condition. It's designed to support eye wellness and visual skills development. Always consult a doctor for medical advice.

**Highlights:** Visual system disorder simulation, Eye wellness support, Visual skills development, Educational tool for lazy eye

**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 Lazy Eye VisionSimul free?

Lazy Eye VisionSimul costs $2.99, with no in-app purchases.

### Do Visual Vertical or Lazy Eye VisionSimul have ads?

Neither Visual Vertical nor Lazy Eye VisionSimul shows ads.

### Which is updated more often, Visual Vertical or Lazy Eye VisionSimul?

Visual Vertical ships an update every 38 months, and Lazy Eye VisionSimul every 3 months. Most recently, Visual Vertical was updated on October 5, 2026 and Lazy Eye VisionSimul on October 13, 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.*