Voqales: Spectrogram Formants
Education
$4.99 · Designed for iPad. Not verified for macOS.
See your vowels in real time. Voqales turns voice recordings into offline spectrograms and F1/F2 maps so you can compare, tune, and explore pronunciation.
This app helps you visualize how speech sounds are produced by combining spectrogram analysis with vowel-space plotting in a clean, interactive workspace. Whether you're studying phonetics, practicing pronunciation, learning IPA, or analyzing recordings, the app gives you tools to better understand spoken language.
Features
• Real-time spectrogram visualization
• Interactive vowel-space display
• Audio playback and scrubbing
• Zoom and selection tools for detailed analysis
• Compare recordings with reference samples
• IPA and pronunciation exploration
• Import audio recordings for analysis
• Designed for phonetics learners, students, singers, and language enthusiasts
Great For
• Pronunciation practice
• Linguistics and phonetics study
• Accent and vowel analysis
• Speech training and listening exercises
• Exploring acoustic properties of speech
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Light Mode
The developer, Efai De Leon, 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
- Efai De Leon
- Size
- 7 MB
- Category
- Education
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - iPad
Requires iPadOS 16.6 or later. - Mac
Requires macOS 13.5 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+
- Copyright
- © 2026 Efai De Leon

