Ruby | Track Your Cycle vs PeriCal

Ruby: Your empowering cycle companion. Track periods, symptoms, and energy with personalized insights tailored to every phase. Understand your body better, spot patterns, and feel more in control—every cycle. • Smart cycle tracking — Estimate upcoming periods, ovulation windows, and cycle phases based on your unique history. Log flow, energy, mood, cramps, bloating, and dozens of symptoms to refine your forecasts over time. • Cycle-sync wellness — Get tailored nutrition and movement guidance for your current phase. Rise with follicular energy, ease luteal discomfort, and live more in sync with your hormones. • Discover your patterns — See trends across cycles: symptom correlations, energy shifts, and mood insights. Uncover what works for your unique body. • Optional AI assistant — Ask Ruby questions about your cycle, nutrition, and wellness. Fully opt-in, with a clear daily limit and a privacy-first design. • Privacy you can trust — Your cycle data stays on your device. We don't sell it, share it with advertisers, or send it to analytics. Sign in with Apple, use email, or skip the account entirely with Guest Mode. • Beautiful and inclusive — Quick daily check-ins, calming design, support for regular and irregular cycles, perimenopause, and beyond. Whether you're managing PMS, optimizing wellness, or just curious about your cycle, Ruby helps you listen to your body and thrive. IMPORTANT Ruby is a wellness and educational app, not a medical device. It does not provide medical diagnosis, contraception advice, or treatment recommendations. All cycle and ovulation information shown in the app is an estimate based on the data you provide. Always consult a qualified healthcare professional for personal health concerns or before making decisions related to fertility, contraception, or pregnancy. Download Ruby and get started in under a minute—no account required.

PeriCal is a very simple period calendar which allows you to estimate your next period for the next months and plan accordingly.