GRETA: Cycle & Period Tracker

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About this app

GRETA: Cycle & Period Tracker

Track your cycle, understand every phase, and get personalized AI guidance.

Greta is a wellness and cycle-tracking app. It does not provide medical advice, diagnosis or treatment вАФ always consult a healthcare professional about your health.

Your cycle is more than your period. Greta is a cycle and period tracker that helps you understand your menstrual cycle and use it in everyday life. Know what phase you're in, notice changes in your mood and energy, see what's coming next, and get personalized ideas for movement, nutrition and your daily routine.

YOUR CYCLE, ALL IN ONE PLACE
Greta gives you a clear view of your menstrual cycle without making you dig through complicated charts. See your current cycle day and phase, upcoming period, cycle length and predictions for the cycles ahead.

You can track:
вАҐ Periods and cycle length
вАҐ Period predictions
вАҐ Ovulation and fertile window
вАҐ Cycle phases
вАҐ Mood and energy
вАҐ Sleep and libido
вАҐ Symptoms and daily notes

MAKE EVERY PHASE WORK FOR YOU
Your period is only one part of your cycle. Greta helps you understand the four phases of your menstrual cycle and how they may relate to the way you feel, move, eat and plan your days.

Depending on your current phase, you can discover ideas around nutrition, exercise and movement, rest and recovery, energy and mood, everyday activities, planning and productivity.

The goal isn't a strict routine вАФ it's noticing what works for you.

SEE YOUR DAILY STATE WITH BODY MAP
How do you actually feel today? With Body Map, you can quickly record your mood, energy, sleep, libido and symptoms. Your entries create a visual picture of your current state, making changes throughout your cycle easier to notice.

ASK GRETA
Sometimes you don't need another article. You just want an answer. Greta's AI cycle assistant lets you ask questions about your cycle, symptoms, phases, nutrition, movement and everyday life. For example:

"Why am I feeling so tired today?"
"What kind of workout might suit this phase?"

The assistant takes your cycle and the information you log into account, so the conversation is relevant to your own experience. It offers general wellness information only and is not a substitute for a doctor.

PLAN AROUND YOUR CYCLE
Connect your calendar and Greta can consider your upcoming events together with your cycle phase. Busy week ahead? Important presentation coming up? Need a little more time to recharge? Greta can help you think through your schedule and suggest when it may make sense to adjust your plans.

UNDERSTAND OVULATION AND FERTILITY
Greta also gives you a detailed view of the fertility side of your cycle: estimated ovulation date, fertile window, fertile days, average cycle length and upcoming cycle predictions. Use these estimates to recognize your personal patterns over time.

SHARE WITH YOUR PARTNER
Partner Mode lets you share selected cycle information with your partner, so they can better understand your current phase and what you're experiencing.

KEEP A RECORD YOU CAN SHARE
Your cycle history and symptom data can be exported as a PDF report. Bring your own records to an appointment and have a clearer picture of your cycle history and symptoms to discuss with your doctor.

IMPORTANT HEALTH INFORMATION
Greta is intended for general wellness and educational purposes only. It is not a medical device and does not provide medical advice, diagnosis or treatment.

Cycle, ovulation and fertility predictions are estimates. They must not be used as a method of contraception or to diagnose any condition.

Always seek the advice of your doctor or another qualified healthcare professional with any questions about your health, your cycle or your symptoms. Never disregard professional medical advice or delay seeking it because of something you have read in this app.

If you think you may have a medical emergency, contact your doctor or your local emergency services immediately.

What’s new

You can now dictate how your day went — Greta fills in your diary for you. Plus improvements to the subscription screen.