Your Cycle, Your Companion

Evidence-based guidance for every day of your cycle. Not just when you're on your period.

Privacy-first. No account required. Your data stays yours.

Where Am I in My Cycle?

Select your cycle day or let us help you figure it out. No app setup needed.

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Day 1 is the first day of your period bleeding. Count from there.

Top 3 Actions for Today

Understand Your Four Phases

Your cycle isn't just "period or not." It's a rhythm of four distinct phases, each with its own strengths, challenges, and opportunities.

01
Menstrual
Days 1-5
Your period is here. Focus on rest, warmth, and gentle nourishment.
02
Follicular
Days 6-13
Energy is rising. Great time for new projects and social activities.
03
Ovulation
Days 14-16
Peak energy and confidence. Your body is at its most fertile.
04
Luteal
Days 17-28
Winding down. Honor the need for slower pace and self-care.
Woman practicing yoga in a peaceful setting

Guidance First. Not Just Tracking.

Most period apps make you log data without telling you what to do with it. PeriodGuide is different. We lead with actionable, evidence-based guidance for every day of your cycle, then let you track to refine that guidance over time.

  • Daily micro-coaching actions
  • Evidence-graded recommendations
  • Safety guardrails built in
  • Multiple viewpoints respected
Explore Today's Guide

Everything You Need. Nothing You Don't.

Built for real humans with real cycles. Irregular, postpartum, perimenopausal, teen, or textbook — PeriodGuide adapts to you.

Cramps Toolkit

Evidence-graded interventions from immediate heat therapy to long-term strategies. Know when to seek care.

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PMS & PMDD Companion

Clinical-grade guidance for premenstrual symptoms. Understand the difference between PMS and PMDD.

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Traditions Library

Ayurveda, TCM, and Indigenous practices with cultural context, safety warnings, and contraindications.

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Doctor Visit Pack

Export your cycle data summary and get a list of questions to ask at your next healthcare appointment.

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Insights Dashboard

Cycle overlays, trend lines, and non-diagnostic pattern detection. See what your data reveals.

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Privacy Center

Anonymous-first. Local-only mode. Export or delete anytime. No ad trackers. Your data is yours.

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Evidence You Can Trust

Every recommendation on PeriodGuide comes with a clear evidence grade so you always know the strength of what you're reading.

Strong Evidence Supported by systematic reviews or RCTs
Moderate Evidence Supported by observational studies or smaller trials
Emerging Research Promising early research, not yet conclusive
Traditional Use Historically used in cultural traditions, presented as viewpoints
Healthcare professional reviewing medical information

For Every Stage of Life

Your cycle changes as you do. PeriodGuide adapts guidance for wherever you are in your journey.

Teenage friends laughing together
Teen

Starting Your Journey

New to periods? We explain everything in clear, non-scary language. Irregular cycles are normal at first.

Woman exercising outdoors
Adult

Optimize Your Rhythm

Sync your exercise, nutrition, and schedule with your cycle for better energy, performance, and wellbeing.

Woman in peaceful natural setting
Perimenopause

Navigating the Transition

Cycles changing? Symptoms shifting? Get evidence-based guidance for perimenopause and beyond.

Your Cycle Deserves Better Than Guesswork

Start getting personalized, evidence-based guidance right now. No signup required.