VocalLens - Voice Coach
AI Voice Analyzer, Vocal Coach
Free · Designed for iPad. Not verified for macOS.
Discover your voice type in 10 seconds. Science-based scores across 4 dimensions — plus AI coaching to help you improve. Free to try.
Sound like the voice you hear in your head.
VocalLens analyzes the quality of your voice — not just pitch — and shows you exactly what to work on. Record for 10 seconds and get a science-based score across four dimensions: Richness, Power, Presence, and Brightness.
■ Built for
· Singers who want a richer, more resonant voice
· Podcasters who want to sound clear and authoritative
· Content creators leveling up their on-camera presence
· Public speakers and presenters building vocal confidence
· Voice actors refining tone and breath control
· Anyone who wants to love the sound of their own voice
■ Key Features
[Mic] 10-Second Voice Analysis
Speak into the mic for 10 seconds — no complicated setup, no musical training required. Your results appear instantly.
[Chart] 4-Axis Voice Quality Score
· Richness: how much air escapes versus clean tone
· Power: harmonic richness and vocal clarity
· Presence: energy in the 2–4 kHz "cut-through" range
· Brightness: the height of your spectral center of gravity
All visualized on a radar chart so you see your voice's full shape at a glance.
[Tip] Personalized Practice Exercises
Every session delivers specific exercises matched to your score — nasal consonant drills, yawn-breath openers, forward resonance vowels, and 10+ more per dimension. Exercises rotate randomly so practice stays fresh.
[Graph] Track Your Vocal Progress
Compare recordings day by day and week by week. The more you practice, the clearer your strengths and growth areas become.
[Guide] Voice Type Diagnosis
Your scores map to one of 16 voice types — like "Bedrock," "Crystal," or "Pearl." Each type comes with strengths, common challenges, and what it's best suited for.
[AI] AI Voice Coach (via Rewarded Ad)
Ask the AI about your voice using your actual score data. Get tailored advice on issues like "my high notes crack" or "my voice doesn't carry in meetings."
■ Privacy First
Voice recordings are processed entirely on your device. When using AI coaching, only your score numbers and your text question are sent — your audio is never transmitted anywhere.
■ Important Notice
· This app is not a medical device and does not provide medical diagnosis or treatment.
· Stop use immediately if you experience pain or discomfort in your voice or throat.
· AI responses are for reference only and may contain errors.
· Individual results may vary.
Privacy Policy: https://ystydy.github.io/koeiro_public/privacy-policy.html
Terms of Service: https://ystydy.github.io/koeiro_public/terms-of-service.html
Ratings & Reviews
■ Improvements
· Cleaned up the results screen UI for better readability
The developer, Yuji Sakurai, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuji Sakurai
- Size
- 74.2 MB
- Category
- Music
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Yuji Sakurai
