Boost Your Fertility in 90 Days
Backed by Science

Take charge of your fertility with a simple, science-based plan. FertilityONE helps men improve sperm health naturally through 12 proven lifestyle habits — with easy tracking, clear guidance, and visible results. Because fertility isn’t luck — it’s something you can improve.

Backed by
40+ scientific
studies
FertilityONE Progress Tracking

Why This Matters

Male fertility has declined by more than 50% in the past decades.

Even though up to 40% of fertility challenges involve men, most attention is placed only on women.

The good news: sperm quality can improve in just one cycle (~90 days).

Scientific studies show that with the right daily habits, you can increase count, motility, morphology, and overall fertility.

FertilityONE gives you the information and tools to make it happen.

What the App Does

Your personal fertility companion, designed for simplicity and results

✅ Daily Habit Tracker

Follow 12 golden rules, backed by solid science

✅ 90-Day companion

Get results by following the rule for 3 months

✅ Progress Dashboard

Your progress at a glance with concrete tips to improve

✅ Scientific Library

Access a comprehensive library summarizing the relevant evidence

✅ Smart Reminders

Get support and keep on track

✅ Private & Secure

No ads, no data selling, your journey stays yours

The app is free to test and then costs 4.99 USD per month. For 15 USD, you have a science-based companion to boost your sperm health and male fertility in 90 days

The 12 Golden Rules

Simple, proven steps to stronger fertility

👉 Each day you follow these rules, you invest in your future fertility.

Built on Science

  • Based on 40+ peer-reviewed studies in reproductive health and lifestyle medicine
  • Designed around the 90-day sperm development cycle
  • Developed with medical research, not gimmicks

Improving sperm health in 3 months is possible and FertilityONE makes it simple.

A Personal Story

"When I found out my sperm quality was in the bottom 10%, I was shocked. I felt powerless. But after diving into the science, I built 12 daily rules and stuck with them. Three months later, my sperm quality had climbed into the top quartile. Fertility isn't fixed — it can be improved. FertilityONE was created to help every man take control of his fertility journey and to take away the stigmata.”

Alexander R. Thiel, Founder

FertilityONE

From bottom 10% to top quartile in 90 days

Watch how FertilityONE helps you boost fertility in 90 days

Start Your 90-Day
Journey Today

Your fertility starts with your daily habits.
Take the first step now.

FertilityONE App

The app is free to test and then costs 4.99 USD/month (<15 USD for a 90-day companion) – without any ads, in-app purchases or hidden fees

Science-Backed
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Free to Start