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Predictions are estimates built from the cycles you have already logged, and they sharpen with every one you add. If a period arrived on a different day, log the real dates on the calendar and the next prediction adjusts around them. If your cycles vary a lot by nature, tracking an irregular cycle explains what any app can and cannot promise, and how period prediction works covers the maths behind the date. MoodSwings is a wellness tracker, not a medical device — predictions are estimates, not guarantees.

In the app, open Settings → Partner Sharing and generate a six-character invite code, then send it to your partner to enter in their copy of MoodSwings. Each code works once and expires after 14 days — if yours has gone stale, just generate a new one. More on how the couples side works, and what your partner actually sees.

Your current cycle phase, your predicted next period, today's mood, a recent window of mood history, and one short note about how to support you. They cannot see your free-text notes, your basal body temperature, your sexual activity logs, or discharge details. The full breakdown is in privacy in a period tracker and the privacy policy.

Settings → Partner Sharing → Disconnect. It takes effect immediately — their app shows that the partner is no longer connected, and they stop receiving your updates. You can pair again later with a fresh invite code.

Subscriptions are handled by Apple. The quickest route is inside the app: Settings → Manage Subscription opens Apple's subscription management directly. You can also go to iOS Settings → [your name] → Subscriptions → MoodSwings. For refunds, use Apple's Report a Problem.

Two separate things travel separately. For your subscription, tap Restore Purchases on the paywall. For your cycle history, your account has to be more than anonymous: Settings → Back up your data links your account to Apple or Google so a new phone keeps everything. If you have already wiped the old phone and never linked an account, email us — we will do what we can.

Two switches both have to be on: iOS Settings → Notifications → MoodSwings, and the reminders themselves in the app under Settings → Notifications. If iOS permission was denied at some point, the app's notification rows say so and link straight to the right iOS screen.

No — please do not. The fertile window and pregnancy-chance indicators are estimates calculated from the data you log, not a contraceptive method, and they are least reliable exactly when cycles are irregular. If you are preventing pregnancy, use a clinically proven contraceptive method and talk to a healthcare provider. MoodSwings is a wellness and lifestyle tracker, not a medical device, and it is not cleared or approved by any regulator.

Settings → Delete Account removes your account, and we wipe the records within 30 days. A self-serve export is not in the app yet — email hello@worthatry.co and we will send your data within 30 days. Either way, see the privacy policy for what we hold and for how long.