Adaptive predictions
Our algorithm learns from your real cycles. The more you log (periods, cervical mucus, pain), the sharper the prediction gets, cycle after cycle.
New · Pregnancy mode
Cycle tracking, the easy way.
Plumm helps you understand yourself better month after month. Precise, gentle, and your cycle data stays on your phone by default. That's it. (And it's already a lot.)
100% free
No ads
French
Local data
In 14 days
Next period
Yesterday
Ovulation peak
Today · 9 PM
Pill reminder
Plumm in action
An app you'll love to open.
Discover the screens that will accompany you every day. Designed for wellbeing, not for addiction.
Dashboard
Your cycle, readable in three seconds.
Calendar
A mascot that follows the seasons.
Personal
Roo knows you by heart.
Contraception
Pill, patch, IUD… everything covered.
Profile
Your stats, your rhythm, your story.
Alive
A new vibe every month.
Why Plumm
Accurate from your 1st cycle. Mind-blowing after the 3rd.
Plumm combines an adaptive algorithm, design built for your wellbeing, and full respect for your privacy.
Maximum reliability
Most apps predict based on an "average" 28-day cycle. Plumm learns yours. Our adaptive algorithm reads your own signals and adjusts with every cycle.
Roo, your cycle companion
Roo follows you day after day, changes expression based on your mood, comforts you on tough days. So your tracking feels personal, not just data.
Smart reminders
Pill 21/7 or continuous, patch, ring, IUD, implant, injection. Plumm handles every contraception type and adapts reminders automatically.
4 modes, 1 app
Plumm adapts to you.
Whatever your life stage, Plumm switches mode automatically. Pick one at onboarding, change anytime.
Track my period
Adaptive predictions, fertile window, period end. The algorithm learns from your real cycles.
Trying to conceive
Ovulation peak, fertile signals, cervical mucus, libido. Maximize your chances.
Pregnancy tracking
Week by week. Baby size as a fruit, development, changes in your body.
Contraception reminders
Pill, patch, ring, IUD, implant, injection. Never forget. Always on time.
Maximum security
Your data, safe on your phone.
- Local storage by default on your phone. Nothing leaves unless you turn it on
- No ads, no third-party trackers, no data resale
- Full GDPR compliance, right to erasure in 1 tap
- Transparent prediction algorithm: methodology and clinical sources published
Ready to discover your cycle differently?
Plumm is free and always will be. Available on iPhone in France, coming soon to Android.
Available nowDownload on the App Store
Coming soonGet it on Google PlayNotify me at the Android launch
Just to tell you when we launch on Android. Never resold, never spammed.
