KeyFu

Legal Notice (Impressum)

Information pursuant to § 5 DDG and § 18(2) MStV (Germany)

Last updated 16 October 2026

Provider

Martin Neuschulz
Kurt-Eisner-Straße 58
04275 Leipzig
Germany

Legal form: sole proprietor (Einzelunternehmen)

This legal notice also applies to KeyFu’s profiles on Instagram, Threads, Facebook, TikTok, YouTube and Bluesky, and to Martin Neuschulz’s accounts where he writes about KeyFu.

Contact

Phone: +49 341 24904204
Email: [email protected]

VAT

VAT ID under § 27a UStG: DE465749352. It is also our business ID (W-IdNr.) under § 139c AO.

Small business under § 19 UStG: we do not charge VAT.

In-app purchases are sold by Apple, which charges VAT on them where it applies.

Responsible for content under § 18(2) MStV

Martin Neuschulz, address as above.

App Store trader information

For KeyFu in the App Store, the trader details required by the EU Digital Services Act are provided through App Store Connect and shown on the app’s product page in the EU App Store.

Consumer dispute resolution

We are not obliged and not willing to take part in dispute resolution proceedings before a consumer conciliation body (Verbraucherschlichtungsstelle, § 36 of the German Consumer Dispute Resolution Act, VSBG).

Content and links

We are responsible for our own content on this site and in the app. This site links to other sites, whose operators are responsible for their content. If we learn that a linked page breaks the law, we remove the link.

The content and works created for this site and the app are subject to German copyright law. Third-party brand and product names (including Apple, Cloudflare, Anthropic, Google and OpenAI) belong to their owners. We name them only to say which services we use and which devices KeyFu works with. None of them sponsors or endorses KeyFu. Some images on this site are generated with AI. They carry the EU label “AI generated”. This site uses the typefaces Instrument Sans, IBM Plex Mono and Newsreader under the SIL Open Font License 1.1, and open-source software under the MIT License. The notices and license texts are in licenses.txt. The app lists its own under Settings → Support & legal → Type, sound & licenses.