Honest writing about cycle tracking.

PMDD diagnosis requires daily symptom tracking across two full cycles — a clinical bar most period apps aren’t built to meet. Here’s what PMDD tracking actually involves, what to look for in an app, and which trackers take it seriously.

If you have PCOS, your period tracker is probably giving you useless predictions. Here's what actually goes wrong, what to look for instead, and which apps handle irregular cycles honestly.

Every period tracker says it cares about your privacy. We looked at the ones that privacy advocates actually recommend — and a few mainstream options that have tried to change. Here’s what we found.

Most period trackers force you to create an account before you can use them. Here's why that's a problem, what happens to your data when you sign up, and which apps let you track without logging in.

Clue is a solid period tracker. But the constant push to upgrade to Clue Plus is wearing users down. Here's what to look for in an alternative — and what you shouldn't have to give up.

Estrogen affects dopamine. Your cycle affects your estrogen. If your ADHD symptoms feel different every week, there's a biological reason. Here's what's happening, why most trackers make it harder, and what to look for in one that doesn't.

Most "best alternatives" articles are just app roundups. This one focuses on what matters: what happens to your data, why switching is harder than it sounds, and the questions worth asking before you hand your health information to another app.

Somewhere between tapping "period started" and getting a prediction for next month, your health data takes a journey most apps never explain. Here's where it goes, who can see it, and why the difference between local and cloud storage matters more than most people realise.