# SVV vs Subjective Visual Vertical SVV

The clearest difference is price: SVV at Free against Subjective Visual Vertical SVV's $3.99. SVV also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.4). On ads and in-app purchases there is nothing between them.

SVV is free to download; Subjective Visual Vertical SVV costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SVV | Subjective Visual Vertical SVV |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kuroda ENT Clinic](https://appshunter.io/developer/1369699677) | [My Call Bag LLC](https://appshunter.io/developer/1243282862) |

## What reviewers say

### SVV

[App page](https://appshunter.io/ios/app/svv/id1471979816)

This app measures your perception of verticality to assess gravity perception and vestibular function. It uses a simple line adjustment task to calculate deviations from the true vertical, aiding in the detection of vestibular asymmetry.

**Highlights:** Measures subjective visual vertical, Evaluates gravity perception, Detects vestibular asymmetry, Adjusts perceived vertical line, Calculates mean deviation and standard deviation, Supports remote and game controllers

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

**In-app purchases:** none


### Subjective Visual Vertical SVV

[App page](https://appshunter.io/ios/app/subjective-visual-vertical-svv/id6778656381)

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

**In-app purchases:** none


## Frequently asked questions

### Is SVV free?

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

### Is Subjective Visual Vertical SVV free?

Subjective Visual Vertical SVV costs $3.99, with no in-app purchases.

### Do SVV or Subjective Visual Vertical SVV have ads?

Neither SVV nor Subjective Visual Vertical SVV 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.*