Verafem — Period, Ovulation & Fertility Calculator | No Subscription, Works Offline
Know your cycle. Own your data. No subscription required.Most period and fertility apps want your email, your data, and $10/month before they'll tell you when you're ovulating. Verafem is different — it's a one-time purchase, it works completely offline, and everything you log stays on your own device. Nothing is ever uploaded, tracked, or sold.What's inside — 11 tools in one app Menstrual Cycle Calculator — full phase-by-phase breakdown of your cycle Menstrual Phase Finder — instantly see what phase you're in today Period Tracker — log your history and see your real averages over time, with a visual timeline Next Period Predictor — know when to expect your next period Period Blood Loss Estimator Fertility (Fertile Window) Calculator Ovulation Calculator Fertile Window Timeline Conception Date Estimator Implantation Calculator Contraception Method Comparison — compare typical-use vs perfect-use effectiveness across common methods Installs like a real app — no App Store neededOpen your link on your phone or computer and add it to your home screen.Verafem works on: iPhone & iPad — Add to Home Screen from Safari Android — Install App from Chrome Windows & Mac — Install from Chrome or Edge Once installed, it opens full-screen like any other app on your device — and it works completely offline after that. Full step-by-step instructions for every device are included with your purchase.Why Verafem is different📱 No subscription. Pay once, use it forever. No $9.99/month, no paywalls after your free trial ends.🔒 100% private. All your data — your cycle history, your dates, your logs — stays on your own device. It is never uploaded to a server, never shared with advertisers, never sold.📡 Works offline. No internet connection needed after install. Track your cycle anywhere, anytime.🧮 Built on real cycle math, not a black-box algorithm you have to trust blindly — every calculator is transparent about how it estimates your dates.🚫 No ads. No notifications you didn't ask for. No community feed you didn't sign up for.** Just the tools, on your device, when you need them.Who this is for Anyone who wants to understand their cycle without handing their reproductive health data to a subscription app People trying to conceive who want a clear fertile window and ovulation estimate Anyone comparing contraception methods and wants the real numbers side by side Anyone who's tired of "free" period apps that monetize your data instead What you get Full access to all 11 calculators, installable on unlimited devices you own Step-by-step install guide for iPhone, Android, Windows, and Mac Lifetime access — no recurring fees, ever ⚠️ Educational tool only. Verafem provides estimates based on the dates you enter — it is not a medical device and is not a substitute for professional medical advice, diagnosis, or contraception guidance. Always consult a healthcare provider for medical decisions.FAQDoes this need an internet connection?No — once installed, it works fully offline.Is my data sent anywhere?No. Everything is stored locally on your device only.Does it work on iPhone?Yes — install via Safari's "Add to Home Screen."Is there a subscription?No. One-time purchase, yours forever.Can I use it on more than one device?Yes — install it on as many of your own devices as you like.
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