Signals of You: Fertility, NFP

Trust your Signals and know your fertile days - hormone-free, and designed for natural birth control or conception through the scientifically backed symptothermal method.

Discover a natural, science-backed way to understand your cycle and fertility. Signals of You helps you identify your fertile and infertile days with clarity - whether you’re avoiding or planning pregnancy. Built on the symptothermal method, it guides you to trust your body’s own signals, not algorithms.

Our goal with this app is to make this hormone-free, evidence-based method freely accessible to all women, empowering you to understand your cycle and make confident, informed choices.

How It Works

Track your main fertility signs - your daily temperature and cervical mucus or cervix position - in just seconds. Signals of You evaluates your entries based on the method’s evidence-based rules as described by Sensiplan®*, a scientifically validated approach proven in clinical studies to be as effective as the birth control pill (Frank-Herrmann et al., Human Reproduction, 2007). It clearly shows your fertile and infertile days and explains how the assessment is made.

Within just a few cycles tracking your signals, you'll start to notice the clear changes in your basal body temperature and mucus pattern throughout your cycle. Based on these changes and with the rules of the symptothermal method of Signals of You, you'll understand when you ovulated and hence, when your fertile days are. Plus, Signals of You can determine when you're most likely to get your period. No black-box algorithms. Just clarity you can trust.

Key Features

Signals of You turns your body’s data into clarity - completely free: • Track your temperature and cervical mucus or cervix sign easily and get a clear interpretation - and optionally add secondary symptoms for extra clarity. • Know your fertile days and understand the reasons behind them. • Rely on a more accurate forecast of when you're likely to get your period based on the day of your ovulation in your cycle and not overall averages. • Learn as you go with helpful explanations and in-app articles that teach every step of the method. • Recognize your cycle patterns over time and build confidence in understanding your fertility. • Apply your knowledge to naturally avoid or achieve pregnancy — your choice, your rhythm.

Built on science. Designed with care. Empowering you to make informed, confident choices about your fertility and health.

*Sensiplan® is a registered trademark and not affiliated with this app.