A personal CRM for the people you actually care about.
Kizuna keeps the small things that make a relationship — what a friend likes and dislikes, the topics to avoid, the birthday that is always closer than you think, the promise you made last time you talked. Not a sales pipeline. Nobody here is a lead.
- Likes and dislikes
“Loves orchids. Hates surprises.” — the things you swore you’d remember. - Key dates
Birthdays and anniversaries, with a nudge three days before, not the morning of. - Open threads
“Said I’d send the photos.” Reminders that close themselves when you do. - Things not to bring up
The one line that saves a conversation.
See how everyone you know is connected.
You sit in the middle. The people you talk to most orbit close; the ones drifting away drift outward, so you notice before a friendship goes quiet. Draw a line between two people — sisters, colleagues, “introduced at Ken’s wedding” — and your circle stops being a list and becomes a map of your own life. Tap anyone for the five things worth remembering about them.
Prepare for a conversation in thirty seconds.
Meeting someone after months? Kizuna turns what you’ve remembered into openers and follow-ups for that person — their interests, what’s coming up for them, what to steer around. The AI only sees the one person you ask about, and only when you ask.
Nothing leaves your device until you say so.
Kizuna works with no account at all — everything stays in your browser. Sign in with Google when you want your people on more than one device, and your data moves to a database only you can read. No ads, nothing sold, nothing shared. Read the privacy statement.
- What is a personal CRM, and is Kizuna one?
- A personal CRM is a place to remember the people in your life — what they like, what matters to them, when to reach out. Kizuna is one, built for friends and family rather than sales leads: nobody here is a lead.
- Is a spreadsheet enough?
- It can be, until it isn’t. A spreadsheet won’t remind you that a birthday is three days out, won’t show you that two friends know each other, and won’t pull up the five things worth remembering before you call someone. Kizuna does those three things and stays out of the way otherwise.
- Is it safe to use with my private contacts?
- Kizuna starts local: everything is stored in your browser and nothing leaves your device until you sign in. With an account, your data lives in a database only your Google sign-in can read. The AI features send one person’s profile to Google Vertex AI only when you press the button. See the privacy page for the full statement.
- Will this make me less genuine with people?
- Remembering that a friend’s mother was in hospital, or that they hate surprises, is not manipulation — it is paying attention. Kizuna keeps the details; the caring is still yours.
- Do I need this if I already use LinkedIn or my phone contacts?
- Those hold names and job titles. Kizuna holds the parts that make a relationship — the preferences, the open threads, the things not to bring up — and how the people you know relate to each other.
- A relationship map of your own life: see how your friends know each other
- How to remember details about people when your memory won’t cooperate
- How to prepare for a conversation in thirty seconds
- Kizuna as a Monica alternative (no self-hosting)
- Kizuna as a Clay / Mesh alternative for friends and family
- 日本語で読む →
Remember what matters to the people who matter.
Free. Works without an account. Add your first person above.
Add someone you want to remember →