Niah: Private Period Tracker

Niah is the private period and cycle tracker that keeps your most personal data exactly where it belongs — on your phone. Log your period in a single tap, track symptoms and mood, and get clear, honest predictions for your next period and fertile window. Niah learns your rhythm and handles irregular cycles gracefully — showing a range instead of pretending every cycle is the same. WHY NIAH • Truly private — no account, no cloud, no tracking. Your data never leaves your device. • Works completely offline. • Calm, beautiful design with a cycle ring, calendar, and insights. • Honest predictions, even for irregular cycles. • Encrypted backups you control — export and import your data anytime. TRACK WHAT MATTERS • Period start, end, and flow • Symptoms and mood • Cycle length, period length, and regularity trends • Gentle period reminders FERTILITY & INSIGHTS Fertility and ovulation predictions and advanced cycle insights are all included. PRIVACY Everything you log stays on your device. Niah has no account and makes no network requests. Full privacy policy: https://pixels512.github.io/MoneyMakerApps-legal/niah/privacy.html