Stop guessing. Start understanding your body.

Built with 18 years of natural family planning experience.

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🎯 Founding Member — Limited Spots

Founding

Join the inner circle of FertilityFlow founders

49 PLN/month

✅ Lowest founding tier price ever

Everything In Free, Plus:

Everything from Free plan — plus:
Ask AI about your symptoms — "Why do I get headaches on day 14?" — answered in seconds, based on YOUR data
AI detects patterns you can't see — "Your headaches appear around ovulation in 4 of 5 cycles"
Doctor-ready reports — print and show your OB/GYN instead of saying "around day 15 I think..."
20+ courses from an educator with 18 years of NFP experience — beginner to advanced
Partner portal — let him understand your cycle too (you won't have to explain it anymore)
Lab result analysis — upload FSH, LH, progesterone results — AI explains what they mean

Limited spots

100 / 100

100 founding spots remaining.

Popular Choice

AI Premium

$13/mo

Your personal fertility expert

Everything from Free plan — plus:
Ask AI about your symptoms — "Why do I get headaches on day 14?" — answered in seconds, based on YOUR data
AI detects patterns you can't see — "Your headaches appear around ovulation in 4 of 5 cycles"
Doctor-ready reports — print and show your OB/GYN instead of saying "around day 15 I think..."
20+ courses from an educator with 18 years of NFP experience — beginner to advanced
Partner portal — let him understand your cycle too (you won't have to explain it anymore)
Lab result analysis — upload FSH, LH, progesterone results — AI explains what they mean

Free

$0/mo

Forever. No credit card required.

Start understanding your cycle

Daily log in 60 seconds — temperature, mucus, symptoms — faster than making tea
Color-coded phase calendar — see exactly where you are in your cycle at a glance
Next period prediction — no more surprises
3 courses from an NFP educator — fundamentals every woman should know
Your data, always yours — secure, private, belongs to you

If after 30 days you don't understand your cycle better than you do now — we'll refund you.

No questions asked. Zero risk.

Frequently asked questions

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