ボイスバイタル
Health & Fitness
$0.29 · Designed for iPad. Not verified for macOS.
Analyze a 5-second sustained vowel to visualize health trends from subtle variations in vocal fold vibration.
Measures 6 acoustic parameters based on peer-reviewed research in speech pathology and psychoacoustics.
Parameters:
- F0 (Fundamental Frequency) [Titze 1994]
- Jitter — neuromuscular stability index [Baken & Orlikoff 2000]
- Shimmer — vocal fold symmetry and closure [Baken & Orlikoff 2000]
- HNR (Harmonics-to-Noise Ratio) [Yumoto et al. 1982]
- CPP (Cepstral Peak Prominence) [Hillenbrand et al. 1994]
- Alpha Ratio [Laukkanen et al. 1997]
Features:
- Instant analysis from 5 seconds of voice
- 3-axis scoring: Stress, Fatigue, Stability
- Daily trend charts
- Full parameter references
Not a medical device. Results are for reference only.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, satoshi amasaki, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- satoshi amasaki
- Size
- 2.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 tokyonasu
