Athena: Period & Cycle Tracker

Your cycle is nobody's business but yours. Athena is a private period tracker and cycle tracker: no account, no cloud sync, no ads. Everything you log stays on your phone. HONEST PREDICTIONS • Period calendar, fertile window and ovulation predictions that learn your menstrual cycle, and admit uncertainty instead of inventing dates • Irregular cycles, PCOS and long cycles handled without judgment • A week-ahead view of what your cycle is likely to bring, learned from your own patterns EVERY LIFE STAGE • Trying to conceive? TTC mode with an ovulation calculator and DPO tracking • On birth control? Pill reminder and BC modes that hide fertility guesswork you don't need • Pregnancy mode, with endings handled gently • Perimenopause and menopause tracking built on the STRAW+10 staging clinicians use MORE THAN DATES • Log symptoms, PMS, moods, flow and temperature • Endometriosis and PCOS support: track what matters, see what returns each cycle • Cycle guidance graded by evidence, with clinician red flags where they belong • Wrist temperature from Health Connect can confirm ovulation, on your device YOURS TO KEEP • Import from Flo, Clue or CSV in minutes • Export a PDF cycle report for appointments • Encrypted backup you hold the key to • Home screen widget • 26 languages No account. No ads. No data brokers. Your health data never leaves your phone. Terms of service: https://athenacycle.app/terms Privacy policy: https://athenacycle.app/privacy