Is Roostercal a medical app?
No. It is a planning calendar for sparse cycle information. It shows windows and confidence, not diagnoses.
Roostercal
A period tracker for partners that starts with one signal
She mentions her period once. Roostercal turns that sparse signal into a simple planning dashboard: next-period window, fertile window, confidence, and quick reminders.
Start with one signalOne private row per chickFast sparse loggingFree for one active row
Start with one signal
How it works
Try the first-signal calculator
Enter the one thing you know. The app reveals a useful first window, then you can save it as the first log.
- Add a nickname
- Log the signal she mentioned
- See the next useful planning window
Product proof
A real dashboard, not a 28-day guess.
Roostercal turns one sparse signal into a row you can act on: next window, fertile window, confidence, quick logging, reminders, and calendar export.
Open the dashboardChickNowNext periodMove
BealutealJul 14-18Reduce friction
Quick logBleedingStartedLateNote
Reminder plan2-day heads-up, expected start, late check-in
Export .icsUse cases
Built for the real sparse-data workflow
- Remember when she said she was on her period
- Plan dates with less guessing
- Keep multiple cycle rows in one place with Pro
Pricing
One row free. More with Pro.
Free saves one active row and includes data export. Pro is $7/mo or $49/yr for additional rows, automatic check-ins, a live calendar, weekly planning, and forecast history.
Start freeFAQ
Practical answers
Does she need to install anything?
No. The first version is built for partner-side sparse logging from information you already know.