Your cycle. Your intelligence.
Finally understood.
AI-powered cycle tracking built on 18 years of natural family planning expertise. Beautiful, private, and yours.
FertilityFlow is now available. Create your free account and start tracking your cycle with AI.
- ✓Your fertility window visible every cycle — no more guessing
- ✓AI analyses your data and gives personalised insights
- ✓Your data stays yours — never shared with advertisers
- ✓Free to start — no credit card, no commitment
Free forever · No credit card · Cancel anytime
Not sure where to start? Take the quiz →How It Works
Track your cycle
Log your daily observations in 2 minutes. No complex forms — just simple, natural recording.
AI analyses
Identifies patterns across your unique cycle data over time, week by week.
Understand your body
Personalised insights you can act on — plus a partner view so you're always on the same page.
Why Trust Us
18 years of practice including 8 years of experience in FAM teaching. A decade-long personal infertility journey. Academic depth meets lived experience.
Building the tools that make 18 years of NFP expertise accessible to every couple.
Methods supported
Sympto-Thermal Method
Catholic faith + reproductive science — not one or the other.
Simple, honest pricing
Start free. Upgrade when you're ready.
Free
Forever. No credit card.
- Daily cycle log — temperature, mucus, symptoms
- Color-coded phase calendar
- Next period prediction
- 3 NFP educator courses
AI Premium
First 100 members — $10/mo locked forever (was $13)
- Everything in Free +
- AI chat about YOUR specific symptoms
- Pattern detection in your cycle data
- Doctor-ready reports
- Partner portal