SEIMON
Voiceprint analysis
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
This voiceprint analysis app (SEIMON) compares two audio recordings to determine if they belong to the same speaker. Enjoy an experience like a real voiceprint analyst with its terminal-style interface.
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Main Features
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[Audio Data Collection]
Records audio using the microphone and saves it to the evidence vault. Recorded audio can be played back and managed at any time.
[Voiceprint Analysis]
Compares two audio samples and determines if they belong to the same speaker using three algorithms: MFCC, DTW, and GMM. Results are displayed as MATCH / SIMILAR / NO MATCH.
[Evidence Vault]
Manages recorded audio files in a list. Playback, deletion, and export (Pro) are possible.
[Voiceprint Spectrogram (Pro)]
Visualization of voiceprints based on MFCC. Visually confirm the speaker's unique voice characteristics.
[Fully On-Device Processing]
No audio data is transmitted externally. All processing is completed within your iPhone.
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Advanced Appraiser License (Pro)
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• Unlimited storage of evidence audio
• Unlimited voiceprint analysis
• DTW/GMM detailed score display
• Voiceprint spectrogram display
• Audio file export
• Audio import from files app
Monthly and annual plans available. 7-day free trial included.
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What you can do with the free version
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• Audio recording and storage (up to 5 files)
• Voiceprint analysis (up to 3 times a day)
• Check MFCC basic score
• Experience with demo audio
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Disclaimer
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This application is designed and provided for entertainment and hobby purposes only. The results of voiceprint analysis have no scientific or legal evidentiary value. It cannot be used for criminal investigation, law enforcement, judicial proceedings, or any other public or professional purpose.
Terms of Use: https://coastandcorp.com/seimon/terms.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Minor corrections were made.
The developer, Takahiro Endo, 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
- Provider
- Takahiro Endo
- Size
- 5.4 MB
- Category
- Entertainment
- 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 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- 上級鑑定士ライセンス（年額） ₱ 1,990.00
- 上級鑑定士ライセンス（月額） ₱ 249.00
- Copyright
- ©️ 2026 Coast&Corp.