What you can do

What it keeps on your phone

Your notes: what you wrote or said, any link, when, and (with Gemini on) a tidied version, tags and a meaning vector.
Voice language and smart-mode preferences.
A note you started but haven't saved yet.
Your Google sign-in for syncing, if you signed in.
A one-time code used while Google sign-in finishes.

Talks to xtmxnzcufvcxgchwdtsq.supabase.co: Your Second Brain account: Google sign-in, and keeping your notes in sync across your phones.. Sends Only after you sign in with Google: your notes (text, links, tidied versions and meaning vectors) and your sign-in token
Uses your Google Gemini account: Optional: turns your notes into meaning vectors for sorting and search, and tidies messy voice notes into a title and tags, on your own Gemini quota.. Your key stays on your phone.
Shared lists go to the people you invite, through CloudCrane, encrypted so we can't read them

Listens to what you say: So you can talk a note instead of typing it.
Can share with people you invite: Optional: sync your own phones with a private link, with no account.

Build your own copy from this blueprint by asking your AI assistant: it's yours to change, and what you save stays on your phone.