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Privacy Policy

Last updated: July 11, 2026

SweetNudge helps you understand and reduce your added-sugar intake. That work involves personal data — this page explains exactly what we collect, why, and what control you have over it.

What we collect

  • Account details — your email address and, if you share it, your first name.
  • Setup answers — your goals, typical meal times, craving patterns, and self-reported stress and sleep, used to personalize forecasts and coaching.
  • Your logs — foods (typed, spoken, or photographed), cravings, habits, and notes you record.
  • Coach conversations — messages you exchange with the AI coach.
  • Fitness data — steps, workouts, sleep, and heart rate from Apple Health or a connected glucose monitor, only if you explicitly connect them. We read this data; we never write to Apple Health.

How AI processing works

When you log food by voice, photo, or free text, or message the coach, that content is sent to our AI providers (such as OpenAI, Groq, or Google) to be transcribed and analyzed, under those providers' API terms. Voice recordings are processed to produce a transcript and then discarded — we store the resulting food entries, not your audio. We do not use your data to train models of our own.

Analytics and diagnostics

Product analytics events are limited to a fixed allowlist of event names and never include free-text content — what you write in a note, a log, or a coach chat is never sent to analytics. Crash reports (via Sentry) help us fix bugs.

Where your data lives

Data is stored with our infrastructure providers: Supabase (authentication and database) and Vercel (hosting). Optional verified-nutrition lookups query the USDA FoodData Central database with a food name only — never your identity.

What we never do

  • We do not sell your data.
  • We do not run third-party advertising or tracking.
  • We do not share health data except as described above to make the product work.

Your controls

  • Export — download your data any time from Profile → Your data.
  • Delete — permanently delete your account and its data from the same screen; deletion takes effect immediately.
  • Disconnect — revoke Apple Health or glucose monitor access at any time from your device settings or the profile page.

Contact

Questions or requests: support@sweetnudgeapp.com.

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