# Visual Vertical vs Sound Surge

The clearest difference is price: Sound Surge at Free against Visual Vertical's $11.99. Sound Surge also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On ads and in-app purchases there is nothing between them.

Sound Surge is free to download; Visual Vertical costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Visual Vertical | Sound Surge |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | **[2.0 (5 ratings)](https://appshunter.io/ios/app/visual-vertical/id419017746/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | — |
| Monetization | Paid | — |
| Size | 10 MB | 191 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Clear Health Media](https://appshunter.io/developer/419017749) | [Acoustic Pioneer](https://appshunter.io/developer/619517178) |

## 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


### Sound Surge

[App page](https://appshunter.io/ios/app/sound-surge/id6498878418)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Visual Vertical free?

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

### Is Sound Surge free?

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

### Do Visual Vertical or Sound Surge have ads?

Neither Visual Vertical nor Sound Surge shows ads.

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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.*