# SVV vs デジタル装具手帳

The clearest difference is update cadence: デジタル装具手帳 at every 2 weeks against SVV's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SVV ships an update every 2 months, デジタル装具手帳 every 2 weeks. The most recent releases landed on September 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SVV | デジタル装具手帳 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 37 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Kuroda ENT Clinic](https://appshunter.io/developer/1369699677) | [TechWorks Inc.](https://appshunter.io/developer/542354448) |

## 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


### デジタル装具手帳

[App page](https://appshunter.io/ios/app/id6741381508)

**In-app purchases:** none


## Frequently asked questions

### Is SVV free?

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

### Is デジタル装具手帳 free?

デジタル装具手帳 is free to download, with no in-app purchases.

### Do SVV or デジタル装具手帳 have ads?

Neither SVV nor デジタル装具手帳 shows ads.

### Which is updated more often, SVV or デジタル装具手帳?

SVV ships an update every 2 months, and デジタル装具手帳 every 2 weeks. Most recently, SVV was updated on September 23, 2026 and デジタル装具手帳 on October 24, 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.*