Faktur is the invoice app built for freelancers, consultants, and small business owners who need to send professional invoices fast — without learning accounting software.

Derin is a focus timer built for people who do real work — developers, writers, freelancers, and anyone who needs uninterrupted time to think. Pick a session, start focusing, and see your progress live — right on your Lock Screen and Dynamic Island. No need to unlock your phone or check a tab. Just glance and keep going.