Understand what's happening in your body and mind. See the patterns your GP needs to see. Built by a scientist going through it too.
80+ hormone therapies including cycle-based progesterone. Smart reminders so you never miss a dose.
Physical symptoms, mood, sleep, energy, cognition, period, diet. Log in seconds, see the full picture.
Timeline view reveals connections between your symptoms, medications, and lifestyle over weeks and months.
The only menopause app using the Menopause Rating Scale (MRS), a clinically validated tool used by healthcare providers worldwide. Track severity and bring a real number to your GP.
Your health data stays on your device. No ads, no data selling, no third-party sharing.
Built by a scientist navigating perimenopause. Grounded in clinical guidelines, not trends.
"I built Crest because I couldn't find a tool that did what I needed: track my HRT properly, understand my patterns, and feel less alone in it."
Dr Clair Stark
Scientist, founder, and going through it too
Watch: IWD 2026 interview →Free to download. Your body, your data, your patterns.
Built in Sydney 🇦🇺