Privacy

Sakusaku Kitchen is a small, invite-only app. This page says what it keeps about you and why.

What we keep

Your account: your Google email, or your LINE user ID and LINE display name.
What you do in the app: recipes you add, meals you cook, your ratings and notes, 👍/👎 on steps, and invites you make.
How you use it: pages you open and buttons you tap, and recordings of your screen while you use the app (session replays), linked to your account. Anything you type is hidden in recordings.
Error reports: when something breaks, technical details about it, and a recording of that session with typed text and videos hidden.
If you tried to sign in without a valid invite: your email or LINE ID, so we know who wants to join.

To run the app and keep it invite-only.
To improve it: see where people get stuck, which recipes go wrong, and fix bugs.

Vercel (hosting), Supabase (database), PostHog (usage and recordings), Sentry (error reports), Brevo (emails to the people running the app), and Google Gemini (reading cooking videos; it gets the video, not your details).
Some of these store data outside Japan, mainly in the United States.

You can ask to see what we keep about you. You can delete your account yourself (link below).
Nothing here is sold or used for advertising.

To ask, message the person who invited you.

Last updated 2026-10-13.