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Consumer Health Data Privacy Policy

Last updated: 4 October 2026 (version 1.2)

This policy is published under the Washington My Health My Data Act (MHMDA) and similar laws, and applies to consumers in the jurisdictions those laws cover. It sits alongside our Privacy Notice and Voice Data Retention and Destruction Policy, which describe our practices in full.

PrepCall is an interview coaching tool. Washington law defines "consumer health data" broadly, and data derived from the measurement of a person's voice may fall within that definition. Rather than argue the point, we publish this policy and apply the Act's protections to the data described below.

1. Categories of data collected

To the extent it is consumer health data, we collect:

  • numerical measurements of how you sounded, derived in real time from your voice during a practice session: headline delivery scores such as pace, energy and steadiness, and the detailed moment-by-moment expression measurements produced by the analysis to support them; and
  • a written transcript of what you said during the session.

The audio of your voice is processed in real time by our processor, which we have configured with data retention switched off. What we hold from a session is limited to the two items above.

2. Sources

All of the data above comes from one source: you, speaking during a practice session you chose to start, after giving explicit consent on a dedicated consent screen.

3. Why we collect it

One purpose: producing your own coaching report and tracking your own progress across your own sessions.

4. Sharing

Producing your coaching report involves three processors. Each acts on our behalf and on our instructions:

  • Hume AI, Inc. (United States) analyses your speech in real time to produce the vocal measurements. We have configured it with data retention and model training switched off.
  • Anthropic, PBC (United States) receives the transcript of what you said, and the vocal measurements derived from it, and uses them to draft your coaching report.
  • Supabase, Inc. stores the transcript, the measurements and the report in a database hosted in Ireland.

This data is used for one purpose, producing your own coaching report, and is disclosed only to the three processors named above. The complete list of providers we use across the whole service is in our Privacy Notice.

5. Retention

Transcripts and the vocal measurements described above are kept for 12 months from your most recent practice session, or until you delete your account or ask us to delete them, whichever comes first. Details are in the Voice Data Retention and Destruction Policy.

6. Your rights

You have the right to:

  • know what consumer health data we hold about you, and access it;
  • withdraw your consent to our collection and sharing of it;
  • have it deleted; and
  • not be discriminated against for exercising any of these rights.

To exercise any of these rights: delete your account from the account menu (which permanently removes everything), or email privacy@prepcall.me. We respond within 30 days. If we decline a request, you may appeal by replying to our response, and we will answer the appeal within 30 days. Washington consumers may also raise concerns with the Washington State Attorney General.

7. Contact

PrepCall, represented by Gideon Bullock: privacy@prepcall.me

Version 1.2, 4 October 2026: removed statements of what we do not do, and described the audio configuration in place rather than asserting that nothing is stored; the sharing section now states the one purpose and the three recipients. Version 1.1, 29 August 2026: corrected the sharing section, which previously named only the voice analysis provider and stated that the data was shared with no one else; it now names every processor involved in producing a report. Also describes the stored measurements in full. Version 1.0, August 2026: first publication.