SVV vs デジタル装具手帳
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SVV
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.
- 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
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Subjective Visual Vertical (SVV) is a test that measures the difference between a person’s perceived vertical and the true vertical. It evaluates gravity perception mediated by the otolith organs, vestibular nerve, and central vestibular pathways, and helps detect asymmetry of vestibular function. Using an audio/video remote control or a variety of game controllers, including those for Nintendo Switch, PlayStation, and Xbox, the user adjusts a displayed line until it is perceived as perfectly vertical. After repeating this procedure 10 times, the application calculates the mean deviation from the true vertical and the standard deviation.
デジタル装具手帳
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「デジタル装具手帳」は、ご愛用の装具を管理することで、日常の生活をより健康的にすることを目指して作られました。 装具利用者がより豊かな社会生活を送るには、装具のサポート（修理・メンテナンス）を適切に行い続けることが必要不可欠と言えます。 このアプリを通して、ご愛用の装具やご自身の歩行状態を分析してみましょう！ ----- 主な機能 ----- ◆ご愛用の装具の管理、メンテナンス記録の表示 ◆専門家によるアドバイス ◆装具を付けた状態での歩行を記録して歩行を分析（歩数計） ◆歩行動画の撮影とAIによる歩行の分析 ◆メンテナンス企業の登録 ◆フレンド機関（医療機関や介護事業所など）の登録 ◆装具のQ&A
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SVV | デジタル装具手帳 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | Kuroda ENT Clinic | TechWorks Inc. |
In-app purchases
SVV
No in-app purchases
デジタル装具手帳
No in-app purchases
