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Meet Nina: a refreshed identity, updated screenshots, five-language educational content, and stability improvements.
Track your cycle, ovulation, symptoms and fertile days privately.
Nina is a private period tracker and menstrual cycle calendar for logging your period, understanding your patterns, and viewing helpful estimates for your next period and ovulation. Keep track of your menstrual cycle in a simple, visual way while staying in control of your personal health information. WITH NINA, YOU CAN: • Period calendar: log period dates and review your cycle history. • Cycle predictions: see an estimated date for your next period. • Symptom tracker: record flow, pain, mood, energy, and daily symptoms. • Ovulation tracker: view cycle phases and your estimated fertile window. • Personal insights: explore statistics and trends based on your own entries. • Private reminders: set notifications for your period and estimated ovulation. • PDF report: export a clear summary to share with a healthcare professional. • Educational content: read helpful articles about periods, menstrual cycles, symptoms, and fertility. PRIVACY AND CONTROL Your health information is stored securely and is not shared with advertisers. You decide what to track, and you can delete your data or account from the app. Nina includes free features and an optional Premium plan with complete statistics and no ads. If you are looking for a period tracker app, cycle tracker, menstrual calendar, symptom diary, or a private way to follow your period and ovulation, Nina brings everything together in one clear place. Important: Nina's predictions are informational estimates. The app is not a contraceptive method, a diagnostic tool, or a substitute for professional medical advice.
past month, based on 1 day
Downloads
Low confidence5
From install count ÷ months since release
In-app revenue
Low confidence$3
From downloads × revenue per download
Ads
$1
$1 – $2
Estimate, ads (benchmark-based, not calibrated per app)
Total
$4
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.