Launching today
PERIOD.

PERIOD.

The cycle app that refuses to sell your data.

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PERIOD. is the EU-built cycle tracking app. An AI assistant trained on women's health — PMS, PCOS, PMDD, contraception, cycle nutrition. No ads. No data resale. Free forever for the basics. Plus (€3.49/mo) unlocks unlimited AI. Bootstrapped in Amsterdam. Servers in Ireland, no US subprocessors for user data. #1 period tracker in the Netherlands with 30,000 active users and ~150 organic signups a day. The privacy-first alternative to Flo and Clue.

PERIOD. makers

Here are the founders, developers, designers and product people who worked on PERIOD.

Diederick@diederick
PERIOD.PERIOD.
Lisa VolkersCo-founder PERIOD.
PERIOD.PERIOD.