NerdCycle vs Rhythm

NerdCycle is the cycle tracker designed for two — track your period, fertility, and daily wellness, and share it with your partner. No accounts. No data collection. Everything stays on your iPhone and your private iCloud. WHY NERDCYCLE • Built for couples — share your cycle data with your partner so they can see what phase you're in and how to be supportive • Privacy first — no analytics, no third-party tracking, no servers in the loop • Beautiful pixel-perfect design with light and dark modes • 7-day free trial. Yearly subscription or one-time lifetime purchase CYCLE TRACKING • Period predictions with confidence indicators • Fertile window and ovulation forecasting • Phase-aware insights for menstrual, follicular, ovulation, and luteal phases • Cycle regularity score and prediction accuracy stats • Daily tips tailored to your current phase DAILY LOG • Mood, flow, energy, sleep, symptoms • Custom symptoms — add your own • Water intake, exercise, basal body temperature (BBT) • Cervical mucus (when you're trying to conceive) • Quick notes for every day PARTNER MODE • Invite your partner with a private iCloud share — just send one link • They see your phase, alert level, and partner-specific guidance • Conversation tips, support kit, and "do today" suggestions tailored to her phase • Stop sharing anytime in Settings INSIGHTS & CHARTS • Cycle length history and trend • Mood and sleep correlations • Top symptoms by phase • Energy and sex drive patterns • BBT chart with ovulation shift detection • Monthly summary reports APPLE INTEGRATIONS • Apple Health: optional — writes period days and BBT, reads sleep, water, exercise and temperature • Home screen widgets for quick cycle check • Live Activity on Lock Screen and Dynamic Island • Notifications for upcoming period, fertile window, and partner phase changes EXPORT YOUR DATA • CSV export for your records • PDF doctor report for clinic visits • Delete everything anytime in Settings PRICING NerdCycle is free to download with a 7-day free trial. After the trial, choose one of two options: • Yearly Subscription — $9.99 per year, auto-renewable • Lifetime — $29.99 one-time purchase Subscriptions auto-renew unless cancelled at least 24 hours before the period ends. Manage or cancel in iOS Settings → Apple ID → Subscriptions. Privacy Policy: https://vladoivankovic.com/NerdCycle/privacy.php Terms of Use: https://vladoivankovic.com/NerdCycle/terms.php NerdCycle is not a medical device. Predictions are estimates — always consult a healthcare professional for medical decisions.

Track your period, predict ovulation and understand your cycle — free to use, stored on your device, and without judgment. KNOW YOUR CYCLE Rhythm predicts your next period, ovulation window, and all four cycle phases (menstrual, follicular, ovulation, luteal) based on your personal data. See your full month at a glance on the calendar. LOG WHAT MATTERS Track what you experience each day: flow intensity, pain level (0–10), symptoms (cramps, bloating, headaches, breast tenderness, and more), mood, energy, and personal notes. Rhythm remembers everything so you don't have to. MEDICATION REMINDERS Add your pill, patch, ring, or any supplement. Mark each one taken directly from your daily log. Track your adherence over time — Rhythm shows how consistent you've been, always without judgment. APPLE HEALTH Connect Rhythm to Apple Health to sync your menstrual flow data automatically. Your health, all in one place. HOME SCREEN WIDGET See your current phase, cycle day, and days until your next period right from your home screen. Available in small, medium, and Lock Screen sizes for iOS 16+. CALENDAR SYNC Export your predicted period, ovulation day, and fertile window to any native calendar — iCloud, Google Calendar, or any CalDAV-compatible service. INSIGHTS Track your average cycle and period length over time. Spot patterns in your body at a glance. PRIVACY FIRST Your cycle data is deeply personal. Rhythm stores it locally on your device. We never sell it. The free version shows ads, and you choose whether they can be personalized. You can even use Rhythm without creating an account. PREMIUM Go further with Rhythm Premium: — Advanced Insights: symptom trends, mood history, and energy & wellbeing analysis by cycle phase — Export your full cycle history as a PDF to share with your doctor — Ad-free experience Rhythm is for everyone who has a cycle. No assumptions. No labels. No stereotypes. Just your body, your data, your rhythm. Predictions are estimates. Rhythm is not a medical device or a method of contraception. Talk to your doctor about any health concern. SUBSCRIPTION Rhythm Premium is an auto-renewable subscription (monthly or annual). Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel it anytime in your Apple Account settings. More infos : https://myideapp.com/rhythm/index.html Privacy : https://myideapp.com/rhythm/privacy.html Terms : https://myideapp.com/rhythm/terms.html