Contact — Gao Laoban

Gao Laoban (高老板) is built and run by one person. Email is the only support channel, and it is read by a human.

Email

Expect a reply within two working days. Requests under the GDPR — access, correction, export or deletion of your data — are answered within one month, as required by law.

What to include

Billing and subscriptions — the email address on your account. You can also manage or cancel your subscription yourself from your account settings.
Bug reports — what you were doing, what you expected, and what happened instead. A screenshot helps.
Content corrections — a wrong translation, a bad example sentence, or a grammar rule that is off. Include the term and the language.
Account deletion — say so explicitly and we will remove your account and all associated learning data.

Who is behind the service

Daan de Groot, sole trader (eenmanszaak), established in the Netherlands. Full company details are in our Terms of Service , and our handling of your data is described in the Privacy Policy .