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Help us end COVID-19.
Donate your Voice.

Join our Voice Research Initiative (VRI) by downloading the VRI App on your SmartPhone. Share your voice sample to help train our technology to detect COVID, end this pandemic, and reopen the world.

Get started here

Download the App

Donate your voice within 1 to 5 days of taking a COVID test following these 4 easy steps:

  • Scan the QR code from your smartphone Camera
  • Complete the Consent form and Health Questionnaire
  • Record your voice within 1 to 5 days of taking your COVID test
  • Upload your test results to the App once you receive them

Your privacy matters

Voice samples are for research purposes only and no personal information will be shared.

Privacy Policy

Your privacy matters.

Voice samples are for research purposes only and personal information is never shared.

Privacy Policy

Stay Updated

Be among the first to know about the CheckUp COVID-19 Detecting Smartphone App and the First to Re-Open the World!

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Frequently Asked Questions

What is Sonaphi?

Sonaphi is a San Francisco based technology start-up which uses vocal biomarkers combined with machine learning to derive valuable insights into health and wellness.

What is Voice Research Initiative (VRI)?

VRI is part of a clinical study Sonaphi is undertaking to establish the efficacy and accuracy of its COVID-19 voice-based screening app. The study will help provide important data and information to the FDA.

How do you screen for COVID-19 in my voice?

The Sonaphi Voice algorithm extracts vocal features found to be related to the presence of COVID-19. Voice analysis is based on vagal nerve function and the innervation of the vocal cords, modulating the voice according to nerve signals.

Is my personal information safe?

Yes. The need for reliable telemedicine data submitted within HIPAA compliance drives the innovation behind Sonaphi. The voice recordings and associated data are analyzed and stored with high level encryption, data protection, and HIPAA compliance.