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Women's Health

A private set of trackers built for the day-to-day questions women ask their phones — when's my next period, what symptoms cluster where in the cycle, am I gaining the right amount during pregnancy. Every entry stays in this browser's local storage. No account required, no upload, no analytics on the data itself. Export a CSV any time to take it with you.

21 tools · 7 sections

Your data stays on your device. Every tool in this kit saves entries to this browser's local storage only — no account, no upload, no analytics on the data itself. Export a CSV to take it with you, or clear everything in one click.

Cycle tracking

2 tools

Log periods, see your cycle history, predict the next one.

Log periods month-over-month. Cycle history, average length, next-period prediction, current phase. Stays on your device.

Ovulation Calculator

Track your menstrual cycle, predict fertile window and ovulation. Free online ovulation tracker.

How the cycle feels

1 tools

Symptoms by day; the heatmap surfaces what clusters where.

Symptom Tracker

Log cramps, mood, energy, headaches and sleep day by day. The heatmap surfaces the patterns. Stays on your device.

Fertility awareness

1 tools

BBT charting with auto-detected thermal shift + coverline.

Plot basal body temperature across your cycle. Auto-detects the post-ovulation thermal shift. Stays on your device.

Pregnancy → its own kit

2 tools

Due date, weight, kick counter, contraction timer — see /health/pregnancy.

Pregnancy Due Date Calculator

Calculate your due date and track pregnancy milestones from LMP, conception, or ultrasound.

Pregnancy Weight Tracker

Log weight by gestational week against the IOM recommended range for your pre-pregnancy BMI. Stays on your device.

Beyond reproduction

5 tools

The screening tools women's health gets wrong by skipping. Menopause, PCOS, thyroid, breast, bone.

Menopause Symptom Score (MRS)

Validated 11-symptom Menopause Rating Scale. 3 subscales scored separately (somato-vegetative, psychological, urogenital).

PCOS Self-Check (Rotterdam)

Walk through the Rotterdam diagnostic criteria for PCOS based on what you already know about your symptoms.

Thyroid Symptom Checker

Pattern-based screening for hypo- and hyperthyroidism. Check your symptoms, see if the pattern leans one way. TSH blood test is what diagnoses.

Breast Self-Exam Guide

Monthly walkthrough plus habit-tracking. Stays on your device.

Osteoporosis Risk Self-Check

Heuristic walk-through of the well-established osteoporosis risk factors (FRAX-inspired). Surfaces "talk to a doctor about a DEXA" earlier.

Whole-body baselines

5 tools

The general health numbers that show up in any check-up.

Calculate your Body Mass Index with visual results and tracking.

Body Fat Estimator

Estimate body fat percentage using measurements.

Waist-to-Hip Ratio

Calculate your waist-to-hip ratio (WHR) and health risk category. Free online WHR calculator.

Ideal Weight Calculator

Calculate ideal body weight using 4 medical formulas. Compare with healthy BMI range.

Body Measurement Tracker

Log a client's weight, body comp, and measurements over time. Trend charts + CSV export.

Day-to-day

5 tools

Hydration, caffeine, sleep, calorie targets.

Water Intake Calculator

Find out how much water you should drink daily.

Caffeine Half-Life Calculator

Track caffeine levels through the day. See when it will affect your sleep.

Sleep Cycle Calculator

Calculate the best time to wake up or go to bed based on 90-minute sleep cycles.

Calorie Calculator

Calculate daily calorie needs based on your goals and activity.

TDEE Calculator

Daily energy expenditure with macro splits for cut / maintain / bulk goals.

Trackers, not diagnostic tools. For anything concerning, talk to a clinician. Browse all 240 tools.

Built browser-first. Run by one developer.

Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.

240

Free tools

Across 14 categories

7

Visual editors

PDF · image · video · audio

32

Curated kits

By profession + lifestyle

17

AI tools

Powered by Claude API

Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser

The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.