Marigold Cycle: Period Tracker

Track your cycle, prep for fertile days, and share what you want with a partner — no account, no ads, no server. Your data stays on your phone.

Marigold Cycle is a period and fertility tracker for people who don't want to hand their cycle data to a tech company. No account, no ads, no tracking. Your data stays on your phone.

WHAT IT DOES • Track your period: flow, start day, mood, symptoms, and notes only log only what you want. • Predict your next period and fertile window from your own cycles, with an honest confidence range. • Trying to conceive? Chart basal body temperature with automatic thermal-shift confirmation, log ovulation tests, and follow a two-week-wait countdown. • Pregnancy mode tracks week by week after conception. • Calendar and Insights turn your logs into clear patterns over time ("you tend to get cramps on days 1–3"). • Birth control reminders with one tap "taken" logging and a streak.

PRIVATE BY DESIGN • No account, no sign-up, no email. • Your data lives on your iPhone — not on our servers, because we don't run any. • No third-party SDKs, no analytics, no advertising IDs. • Lock the app behind Face ID. • Apple Health integration is optional and two-way; you stay in control. • Export everything as JSON anytime. Delete the app to delete all data.

OPTIONAL PARTNER SHARING Share just what you want with one partner: your current cycle day, phase, fertile-window dates, and an optional short "heads-up" note. Symptoms, notes, and flow details are never shared. It uses Apple's end-to-end-encrypted CloudKit sharing even Apple can't read it, we can't read it, only the person you invite can.

You each choose how discreet or playful your fertile-window reminders are or write your own custom messages that sync between both phones.

REMINDERS THAT LEARN FROM YOU • A heads-up the day before your predicted period. • Fertile-window reminders when you're trying to conceive. • Pattern-aware nudges based on your own symptom history. • All scheduled locally on your device, customize everything in Settings.

WIDGETS & APPLE WATCH • Home Screen and Lock Screen widgets show your cycle day and phase at a glance. • A companion Apple Watch app keeps your current day and phase on your wrist.

WHO IT'S FOR • Anyone tired of giving their cycle data to ad-funded apps. • Couples trying to conceive who want partner visibility without oversharing. • Anyone in early pregnancy who wants a simple, private week-by-week tracker.

Marigold Cycle is an informational tracker, not a medical device, and does not provide medical advice.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gdwentertainment.com/marigoldcycle/privacy/