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Found a bug? Best news of the week.
The fastest route is the Feedback button inside the app itself. It attaches the app version, the view you were on and your viewport width — shown to you in full before anything is sent — so a report like “the barrel calculator disagrees with my spring catalogue” arrives with the context to reproduce it. Signed in or not, it works.
Everything else
Questions, corrections to a table, a standard you wish were covered, or a workflow the guide doesn't answer — write here and it lands with the watchmaker who builds Horolator.
The maker
Horolator is built by a watch artisan from Jyväskylä, Finland, working under the name Reigi. reigi.fi