Evidence-based fertility awareness · Free app

Your body has been speaking.Now you can understand it.

Free app + optional AI Coaching

Fertility awareness is the skill of reading your own signs. Our free app charts your temperature, mucus, and cycle — and optional coaching helps it all make sense, with real people, every week.

Get Started — Free See how it works

The app is free — start charting today. AI Coaching is optional ($9/mo or $99/yr).

Join women learning their bodies
Privacy-first
No data sold, ever
A woman charting her cycle in the Fertility Awareness app on her laptop, with her phone beside her
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Free app · AI Coaching $9/mo · $99/yr
0
Data sold ever
STM
Evidence-based symptothermal method
Live
Weekly Zoom support included
Why fertility awareness

Predictions aren't the same as understanding

Most cycle tracking apps hand you a guess and keep the reasoning to themselves. Fertility awareness works differently — instead of trusting an algorithm you can't see, you learn to read your own signs (basal body temperature, cervical mucus, and cycle patterns), so the knowledge stays with you cycle after cycle, whether you're conceiving, avoiding, or simply knowing.

Everything in one place

Charting, education, and support usually live in separate apps. Here they're together — a free charting app, plus one optional AI Coaching plan that adds the course and weekly live support.

You lead — not an algorithm

Most apps emphasize predictions. Fertility awareness helps you read your real signs, understand your patterns, and make informed choices with confidence — and the skill stays with you.

Your data stays yours

Fertility and cycle data is deeply personal. We build around education and optional coaching — we never sell your cycle data, and never use it to target ads.

A complete learning system

Most cycle apps guess. Ours teaches you to know.

Instead of predicting your body for you, the app teaches you to read it.

Period and prediction apps estimate your fertile window from the dates of past cycles — an algorithm making its best guess. Independent research keeps finding those guesses unreliable: in one published review of 53 popular ovulation-prediction tools, only four identified the fertile window accurately.

Fertility Awareness works the other way around. You learn to observe your body's own daily fertility signs — waking temperature, cervical fluid, and more — using established methods refined over decades of research. Not a forecast you can't see inside of. The skill of reading your own chart, which you keep for life.

The methods you'll learn

The Symptothermal Method (Sensiplan)

Up to 99.6% perfect use · 98.2% typical use

One of the most-researched approaches in the field — refined over decades by a German medical research group and studied in a prospective cohort of 900 women across more than 17,000 cycles, published in the journal Human Reproduction.

The Billings Ovulation Method

Up to 99% perfect use · lower with typical use

Developed by Drs. John and Evelyn Billings and validated in a five-country World Health Organization trial — in which 9 in 10 women learned to recognize their most fertile day within the first month.

About these figures: “Perfect use” means the method is followed correctly and consistently. Real-world (“typical use”) effectiveness is lower and depends on proper instruction and consistency — which is exactly what the app’s education and coaching are built to support. Typical-use rates for ovulation-only methods vary widely across studies.

Free to use

The app is free to download and chart with. No subscription to track your cycle.

Optional AI Coaching

$9/month or $99/year adds the AI educator, the full fertility awareness course, and weekly live Zoom support.

Your data isn't the product

We don't sell your personal cycle data.

Sources: fertile-window accuracy — Setton et al., Obstetrics & Gynecology (2016); symptothermal effectiveness — Frank-Herrmann et al., Human Reproduction (2007); Billings effectiveness — World Health Organization multicentre trial and Peragallo Urrutia et al., Obstetrics & Gynecology (2018). Figures describe the methods as studied in the research literature.

What's included free

Every tool you need to
practice true FAM

The symptothermal method works by combining multiple fertility biomarkers. The free app gives you the charting tools, and optional AI Coaching adds the education and live support to understand the signs that matter most.

Basal Body Temperature Charting

Log your waking temperature each morning, see your coverline auto-calculated, and track the thermal shift that confirms ovulation. Works with any basal thermometer.

Cervical Mucus & Position

Log mucus observations with the detail they deserve — type, sensation, color — plus cervical position and firmness. Detailed mucus tracking designed for true fertility awareness practice.

OPK, Pregnancy & Progesterone Tests

Log LH test results, pregnancy tests, and progesterone test strips to build a complete hormonal picture alongside your physical signs.

Expanded Symptom Logging with Severity

Track headaches, cramps, breast tenderness, mood, energy, and 30+ more symptoms with graduated severity — so your chart tells your full story.

Temperature Reliability Flags

Mark temperatures taken after travel, illness, alcohol, or disrupted sleep. Your chart stays honest — and you stay in control of what data you trust.

Today's Reading
97.8°F
Above coverline · Day 3 post-peak
Menstruation
Pre-ovulatory
Peak
Post-peak ← You
Mucus
Dry
Cx Pos
Low
OPK
Neg
Cycle Length
28d avg
±2d range · 6 cycles
Symptom today
Mild cramps
Good energy
Getting started

Simple to begin, deep for life

Fertility awareness is not about guessing. It is about learning your body's real-time signs with tools, education, and support that grow with you.

01

Track your signs

Log your BBT, cervical mucus, OPKs, cervical position, symptoms, and temperature disruptions in one clean, method-friendly chart.

02

Learn the method

Use the included fertility awareness course to understand what your signs mean, how the symptothermal method works, and why your chart changes over time.

03

Read your chart

Watch your thermal shift emerge, your mucus pattern build, and your cycle phases reveal themselves — interpreted by you, not handed down by an algorithm.

04

Join weekly support

Bring your questions to weekly live Zoom support and keep learning inside a community of women building body literacy together.

Your data, period

We built this for
women, not advertisers

Fertility and cycle data is some of the most intimate information you generate. You deserve a clear answer about where your data goes and how the platform is supported.

Our answer: it stays with you. We earn revenue through optional AI Coaching subscriptions — not through data monetization, advertising, or selling personal cycle data.

No data selling, ever
No ads, no tracking pixels
GDPR compliant
Minimal data collected

Zero data monetization

Your cycle data is never sold, licensed, or shared with third parties for any commercial purpose.

One honest business model

We earn from AI coaching subscriptions only. Our interests align with yours, not with advertisers.

Delete anytime, completely

Request full account and data deletion at any time. No cooling-off period, no retention.

Transparent data practices

Clear, plain-language privacy policy. No legalese designed to obscure. You know exactly what we store.

Fertility Awareness Guide
● Learning support — app, course & community
My temperature dipped today on day 19. Is this normal?
A single dip can happen for many reasons — sleep changes, timing, travel, illness, or normal variation. Look at the whole pattern: your recent temperatures, mucus observations, and any reliability flags. I can help you review the signs step by step, but the goal is always for you to understand your own chart.
Can I ask about this in the weekly Zoom?
Yes. Bring your chart questions to weekly support so you can learn in context, hear other women’s questions, and build confidence over time. This is why Fertility Awareness is more than an app — it is a learning system for your body.
Part of AI Coaching · $9/mo or $99/yr
See AI Coaching →
Education + support

A place to learn your body, not just log data

Most apps collect symptoms. Fertility Awareness helps you turn those signs into body literacy through a free charting app, plus optional AI Coaching with a course and weekly live support.

Fertility awareness course included — Learn the foundations of BBT, cervical mucus, ovulation signs, fertile-window awareness, and cycle patterns.

Weekly live Zoom support — Ask questions, receive guidance, and stay connected to a community that is learning with you.

Charting that respects your autonomy — No algorithm replaces your knowledge. The app supports your interpretation instead of deciding for you.

Built for long-term body literacy — Use it through regular cycles, postpartum transitions, post-pill recovery, irregular cycles, and every season where understanding your body matters.

One simple upgrade
The app is free to use. AI Coaching — monthly or yearly — adds the AI educator, the fertility awareness course, and weekly live Zoom support, so you are never left alone with a chart you do not understand.
Real stories

Women who know their cycles

From recovering from hormonal birth control to trying to conceive, fertility awareness changes the relationship women have with their own bodies.

★★★★★

"After 10 years on the pill, I didn't know what my natural cycle looked like. This app helped me chart my first real cycles with so much clarity. The BBT chart alone showed me my cycle was longer than any app had ever predicted."

S
Sofia M.
Came off BC · 8 months charting
★★★★★

"I used Kindara for years but it's been dying. This app is what Kindara should have become — comprehensive, method-aware, and built for real body literacy. I exported my data and was up and running in minutes. The AI coach actually explained Sensiplan rules in the context of my own chart."

R
Rachel K.
Certified FAM practitioner · 3 years
★★★★★

"The privacy thing matters so much to me post-Dobbs. I had stopped trusting big tracking apps entirely. Finding a platform built around education, privacy, and real support feels like a relief. I can chart in peace."

A
Amara J.
Privacy advocate · TTC · 4 months
Questions

Honest answers

Fertility awareness is a serious health practice. You deserve clear information, transparent pricing, and support that helps you understand your body — not marketing fluff.

See AI Coaching Pricing →
The app is free and includes BBT charting, cervical mucus tracking, OPK and pregnancy test logging, symptom tracking, and reliability flags. AI Coaching ($9/month or $99/year) adds the AI educator, the fertility awareness course, and weekly live Zoom support.
The app is free to download and use. AI Coaching is our one optional subscription: $9/month with no commitment, or $99/year (save $9 versus monthly). It adds the AI educator, the fertility awareness course, and weekly live Zoom support. There is no lifetime plan.
This app is a fertility charting and education tool, not a contraceptive device. The symptothermal method can be highly effective when properly learned and consistently applied, but effectiveness depends on correct practice, not the app alone. We strongly recommend studying with a qualified fertility awareness educator if you intend to use FAM for contraception.
Many cycle apps focus mainly on predictions, subscriptions, or app-only tracking. Fertility Awareness focuses on body literacy. You chart your real signs for free, and with optional AI Coaching you learn the method through a course and receive weekly live support so you can understand your own cycle with more confidence.
Weekly Zoom support is a place to ask questions, deepen your understanding of fertility signs, learn from common charting scenarios, and feel supported inside a community of women learning fertility awareness together.
A basal body thermometer that reads to two decimal places works best. You do not need a branded device to begin. The most important thing is taking your temperature consistently and learning how to interpret it with your other fertility signs.
Yes. Fertility awareness can be especially helpful for irregular cycles because it works with current body signs rather than calendar-only predictions. The app helps you track what is happening in this cycle, while the course and support help you understand the pattern over time.
Simple pricing

Free app, optional AI Coaching

Download the app free and chart for as long as you like. Add AI Coaching — monthly or yearly — to unlock the AI educator, the fertility awareness course, and weekly live Zoom support.

Free App
Free

Download and chart for as long as you like. No card required.

  • Full BBT, mucus, OPK & symptom charting
  • Pregnancy test logging & reliability flags
  • Your data stays private — never sold
  • Free forever — no trial clock
Get the Free App
Best value
AI Coaching · Yearly
$99 /year
Just $8.25/month, billed yearly

Everything in AI Coaching, billed once a year.

  • AI educator for your own charts
  • Fertility awareness course included
  • Weekly live Zoom support
  • Cancel anytime
Start AI Coaching
AI Coaching · Monthly
$9 /month
Flexible · cancel anytime

Try AI Coaching month to month, no commitment.

  • AI educator for your own charts
  • Fertility awareness course included
  • Weekly live Zoom support
  • Cancel anytime
Start AI Coaching

The app is free. AI Coaching is the only paid option — $9/month or $99/year — and includes the AI educator, course, and weekly live support. Prices in USD. Taxes may apply.

Free app · one mission

Stop guessing.
Start understanding.

Download the free fertility awareness app with full charting tools. Add AI Coaching — $9/mo or $99/yr — for an AI educator, a complete course, and weekly live Zoom support.

Get the Free App Download on Android

Free app · AI Coaching $9/month or $99/year · AI educator, course & weekly Zoom support included