# Visual Vertical vs Feather squadron 2

The clearest difference is price: Feather squadron 2 at Free against Visual Vertical's $11.99. Feather squadron 2 also leads on update cadence (every 4 days vs every 38 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Feather squadron 2 is free to download; Visual Vertical costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Visual Vertical ships an update every 38 months, Feather squadron 2 every 4 days. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Visual Vertical | Feather squadron 2 |
| --- | --- | --- |
| 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 | **Every 4 days** |
| Monetization | Paid | — |
| Size | 10 MB | 26 MB |
| Requires iOS | 16.6 | **14.0** |
| 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


### Feather squadron 2

[App page](https://appshunter.io/ios/app/feather-squadron-2/id6670747895)

**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 Feather squadron 2 free?

Feather squadron 2 is free to download, with no in-app purchases.

### Do Visual Vertical or Feather squadron 2 have ads?

Neither Visual Vertical nor Feather squadron 2 shows ads.

### Which is updated more often, Visual Vertical or Feather squadron 2?

Visual Vertical ships an update every 38 months, and Feather squadron 2 every 4 days. Most recently, Visual Vertical was updated on September 24, 2026 and Feather squadron 2 on September 16, 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.*