Privacy

Last updated: 25 October 2026

The app collects nothing. Büechli has no account, no analytics, no advertising and no tracking, and it sends nothing to us or to anyone else. On the App Store its privacy label reads Data Not Collected.

Your notebooks. Büechli stores your notebooks as Markdown files on your device and in your own iCloud Drive, in the folder Büechli. iCloud syncs them between your devices under Apple's privacy policy (apple.com/legal/privacy). We have no access to them.

Handwriting. Turning handwriting into text happens on your device, with Apple's handwriting recognition.

This website has no cookies, no analytics and no embedded third-party content; fonts are served from the site itself. The only script remembers the colour scheme you choose, in your own browser. The site is served by Cloudflare Pages, which processes technical data such as your IP address to deliver it and protect it from abuse (cloudflare.com/privacypolicy).

Email. If you write to us, we keep your message for as long as the conversation needs it, and we do not pass it on.

Who is responsible. Dr. Mukherjee's Smithery, Dr. Patrick Mukherjee, Switzerland, support@bueechli.app. Under the Swiss Federal Act on Data Protection (FADP) and, where applicable, the GDPR, you may ask what personal data we hold about you and have it corrected or deleted.