28X Private Period Tracker

28X Private Period ™ is a free-to-use period tracker, privacy-safe, designed to create a beautiful space to understand your cycle, from first periods to perimenopause and menopause. Your data stays yours. Always. No selling data. A women's health app built entirely around privacy. Free for everyone, everywhere. Discreet, clinically informed, and very private. The first period tracker to achieve a 93% ORCHA rating. Periods are better on 28X. WHY WE'RE DIFFERENT Most period trackers rely on subscriptions, ads, or sharing user data to make money. 28X is the new way to track periods. - No subscriptions. Free for everyone, everywhere. - You have the power over your own data. It stays with you on your device. - No data selling, no data sharing. No cloud servers. - No ads. No subscriptions. No tracking. No paywalls. No locked features. - Just calm, simple, and trustworthy period tracking. A space to understand your body without giving up your privacy. - We build 28X alongside our users, listening to real feedback to shape what people actually want and need from the app. To help keep 28X free for everyone, you can contribute to an optional pay-it-forward feature that supports development and women and girls in vulnerable communities worldwide. No obligation. WHAT'S INSIDE THE APP Simple period-tracking tools to help you understand your body. Track Your Cycle • Period and cycle tracking • Clear menstrual phase predictions • Mood, energy, PMS, and symptom logging • Patterns you can actually understand LEARN WOMEN'S HEALTH Supportive, clinically informed content designed to be clear, accessible, and empowering. Learn about: • Hormones and cycle phases • PMS and monthly changes • Endometriosis and PCOS • Perimenopause and menopause • Skin, mood, and energy shifts • Nutrition, lifestyle, contraception, and fertility PRIVACY FIRST Your data stays with you. • All data is stored on your device • No cloud storage • No tracking or profiling • No ads • No selling your data Health tracking built around you, not your data. FOR EVERYONE, EVERYWHERE 28X is free, global, and inclusive, designed for all backgrounds and life stages. Whether you are tracking your first period or navigating menopause, 28X helps you understand your body without giving up your privacy. 28X Private Period ™ is not a medical device and does not diagnose, monitor, prevent, treat, or predict any health condition. It is also not designed to help you get pregnant or avoid pregnancy. Always speak to a healthcare professional for personal medical advice.