Maia vs BubuTracker

Your cycle is yours. Maia keeps it that way. Maia is a private period and cycle tracker built on one simple promise: your data never leaves your iPhone. No account, no email, no cloud — there is nothing to leak, sell, or hand over. Everything you log stays on your device, lockable behind Face ID. PRIVATE BY DESIGN, NOT JUST BY POLICY - No account, no sign-up, no login. Open the app and start tracking. - Your data is stored only on your iPhone. We never see it. - No ads, no third-party trackers, no data brokers, no selling your information. - Built-in Privacy Lock: require Face ID or Touch ID to open Maia, and your data is hidden in the app switcher the moment you put it down. - Optional encrypted iCloud backup, in your own Apple account. You decide if it is ever turned on. - Delete everything instantly, any time. EVERYTHING YOU NEED TO TRACK - Log periods in seconds with a calm, beautiful interface. - Record flow, symptoms, moods, and notes day by day. - A clear calendar view of your whole history at a glance. - Smart predictions for your next period, fertile window, and ovulation, calculated privately on your device. - Insights that help you understand your patterns over time. FREE — EVERY FEATURE INCLUDED Maia is completely free. No subscriptions, no paywalls, no locked features, no ads. Your most personal data should not be a product, and the tools to understand it should not sit behind a paywall. CALM AND YOURS Maia is designed to feel like a quiet, supportive space, not a noisy data-hungry app. Soft colors, gentle typography, and a thoughtful layout make daily logging something you actually want to do. TRANSPARENT ABOUT HEALTH Maia is a wellness and tracking tool. Its predictions are estimates based on the data you log and should not be used as a sole method of contraception or as medical advice. For medical concerns, always consult a qualified healthcare professional. Your body. Your data. Your iPhone. Download Maia and take back control of your cycle.

Period Tracker is a calm, privacy-first way to track your menstrual cycle. Everything stays on your device — no account, no cloud, no sharing, ever. PRIVATE BY DESIGN Your data never leaves your phone. There's no sign-up, no server, and no tracking. Everything you log is stored locally, and deleting the app deletes all of it. Period Tracker contains no analytics, no ads, and no third-party trackers. ONE TAP A DAY Log your flow, mood, and symptoms in seconds. Periods are figured out for you from the days you log — no need to mark start and end dates manually. The app learns your pattern over time. SMART, GENTLE PREDICTIONS See your predicted next period, fertile window, and ovulation day, plus a confidence range that adjusts as you log more. A cycle ring on the Today screen shows where you are in your cycle at a glance. These are educational estimates, not medical advice. STAY IN THE LOOP Optional local reminders — scheduled entirely on your device — can alert you before your period, on period day, at the start of your fertile window, and on ovulation day. You choose the time and how many days ahead. EVERYTHING IN ONE PLACE • Today — your cycle ring and a timeline of what's coming up • Calendar — a clean month view with your logged days and predictions • History — a reverse-chronological journal of your days, filterable by flow, mood, and symptoms • Insights — averages, trends, and a "count as period" toggle to fine-tune predictions NO ACCOUNTS, NO CLOUD, NO WORRY Period Tracker works completely offline. There is nothing to sign up for and nothing that can be leaked or sold, because nothing ever leaves your device. Note: Period Tracker provides educational estimates only and is not a medical device or a substitute for professional medical advice. Always consult a healthcare professional for health decisions. Requires iOS 17 or later. Works on iPhone and iPad.