PERIOD TRACKING

Never caught off guard by your period again.

Plumm learns your real cycle, not an average. In a few months, it predicts your period to the day.

Download Plumm
Never caught off guard by your period again.
In 14 days
Next period
Yesterday
Ovulation peak
Today · 9pm
Pill reminder

Predictions that sharpen

With every cycle you log, the algorithm learns from you and gets more accurate.

Your fertile window, the real one

Computed from your own cycle, not a generic formula.

A living calendar

Your month at a glance, with Roo changing through the seasons. Clear and pretty.

A reminder, not spam

We warn you a few days before your period. That's it.

Plumm in action

An app you'll love to open.

Plumm — Plumm in action
Plumm — Plumm in action
Plumm — Plumm in action

Get to know your cycle, for real.

Free. Download Plumm and let the algorithm learn from you.

Download Plumm