Legal notice

Publisher, hosting and legal documents for the Kanzen website and app.

Last updated: 15 September 2026

1. Site publisher

Tom Piguet, sole proprietor, trading as Ikigai Studio
55 avenue du Général de Gaulle, 60150 Longueil-Annel, France
SIRET: 904 611 175 00020
Publication director: Tom Piguet
Contact: contact@kanzenkanji.com

2. Site hosting

Vercel Inc.
440 N Barranca Avenue #4133, Covina, CA 91723, United States
vercel.com

3. Where Kanzen app data is hosted

The database, authentication and server functions of the Kanzen app are hosted by Supabase Inc. in a datacentre located in Ireland (European Union) — AWS eu-west-1.

Subprocessors and transfers are detailed in the Kanzen app privacy policy.

4. Legal documents for the Kanzen app

Did you get here from the Kanzen app? The terms that apply to the app and to the Kanzen Plus subscription live on the following pages:

Legal documents for the Kanzen app

Terms and conditions of use — user agreement, Kanzen Plus subscription, published content
Privacy policy for the app — data processed by the app, subprocessors, retention periods
Delete my account — detailed procedure

5. Intellectual property

The text, illustrations, visual identity and source code of this site belong to Ikigai Studio unless stated otherwise. Any reproduction or representation, in whole or in part, without prior written permission is prohibited.

The language data used by the Kanzen app comes from openly licensed sources, credited in article 9 of the terms and conditions and in the app’s “Credits” screen.

6. Contact

For any question about this site or its content: contact@kanzenkanji.com.

For a request concerning your personal data, see the site privacy policy or, for the app, the Kanzen one.