Last updated 20 September 2026

Privacy Policy

This is a plain description of what we collect and why. It is not a substitute for legal advice, and you should have your own counsel review it before relying on it commercially.

What we collect

Account data: your name, email address, and optionally your practice and role. If you sign in with Google we receive your name, email, and profile image from Google.

Project data: the briefs you write, the plans and versions you generate, materials you assign, renders you produce, and comments left on shared projects.

Billing data: a Stripe customer id and your subscription status. Card numbers never reach our servers.

Technical data: session records including IP address and browser user agent, so you can see and revoke your own sessions.

Why we collect it

To run the product: generate plans, keep your version history, apply your credit balance, and send the emails you asked for.

To keep accounts secure: session records let you spot and end a session you do not recognise.

To bill you correctly, where you are on a paid plan.

Who it is shared with

Google (Gemini) receives generation prompts, which include your brief and room dimensions, in order to produce plans and renders. Stripe receives billing information. Resend sends transactional email on our behalf. Our hosting and database providers store the data described above.

We do not sell personal data, and we do not share project data with anyone outside those processors.

How long we keep it

For as long as your account exists. Deleting your account from Settings → Security removes your projects, versions, renders, and share links immediately. Billing records are retained where tax law requires it.

Your rights

You can access, correct, export, or delete your data. Most of it is directly editable in Settings; for anything else, email us and we will action it.

Cookies

We set a session cookie when you sign in, and a short-lived signed cache of your session to avoid a database read on every page. We do not set advertising cookies.

Questions about this document? Email hello@archi4d.com. Archi4D Pty Ltd, Melbourne, AU.