Your cycle,
kept private.
A calm, beautiful period & cycle tracker for iPhone and Android. Everything you log stays encrypted on your phone — no account, no servers, no ads, no tracking. Free.
iPhone & Android, free, no account. Predictions adapt to your own rhythm and are shown as honest ranges — estimates, never medical advice. On Android it’s a direct download for now, not yet on Google Play.
Private by design
Your data is encrypted on your phone and never touches a server. No account, no tracking, nothing to sell.
Predictions that adapt
Learns your own rhythm from your cycles — honest ranges, not a fake exact day, and ovulation from your own signals.
Calm in the moment
A big “I'm cramping” button with quick relief, a cycle wheel, a phase-colored calendar, and home-screen widgets.