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How Plum works

The team that builds Plum wrote these answers. Each page says what the app does today. We check each page against the shipping version on the date it shows. If your question isn’t here, email plumsupport@stickyricelabs.com.

What Plum's App Store privacy label means

Plum's App Store label lists seven kinds of data linked to you and none used to track you. This page explains each line and why the list is this long.Read the answer

Is Plum a good period tracker?

Plum Period Tracker & Diary by Sticky Rice Labs is an iPhone period tracker with no ads. Read what it does well, what it lacks and what you get free.Read the answer

Does Plum have ads?

No. Plum is a period tracker with no ads, no ad SDK and no advertising ID. It's paid for by an optional subscription, and tracking and groups stay free.Read the answer

How groups work in Plum

Create a group, send friends the invite link, and see each other's period dates on one timeline. A group holds up to 100 people, and its creator runs it.Read the answer

What your group can see, and what stays private

Members see your last period, next expected one, whether you're on it today and your workout days if you track exercise. Symptoms and moods stay with you.Read the answer

How to stop sharing, leave a group or delete it

Turn sharing off for one group, leave it, remove a member, reset the invite link or delete the group. Nobody loses any cycle data whichever you pick.Read the answer

How Plum predicts your period, fertile window and ovulation

Plum starts from your usual cycle length, then uses the median of your logged cycles. It counts back from there to find ovulation and the fertile window.Read the answer

How to move your history from Clue to Plum

Ask Clue for a copy of your data, open the zip in Plum with the password Clue shows you, check the preview, then add it. Nothing in Plum is overwritten.Read the answer

Which reminders Plum sends, and how to turn them off

Reminders cover period and ovulation heads-ups, a daily check-in, birth control and group updates. Three switches turn most of them off.Read the answer

What Plum Premium includes, and how to cancel

Logging, predictions, reminders and groups come with the app. Premium adds insights and the full tip articles. You cancel it in the App Store.Read the answer

Which devices Plum works on, and how signing in works

Plum is an iPhone app with no Android or Apple Watch version, no Apple Health sync and no export. You sign in with Apple or Google and your history syncs.Read the answer

How Plum tracks birth control and sends reminders

Track the pill, patch, ring, shot, IUD or implant, set a reminder for the methods that have one, and see what hormonal birth control does to predictions.Read the answer

What you can track in Plum, and how to log a day

Plum tracks 27 things in four groups and has no notes box. Log today from Home, fix any past day on the calendar, and pick which of the 27 show up.Read the answer

How to delete your Plum account and data

Open Me, then Security & Privacy, then Delete account. Everything under the account is erased from Plum's servers. Cancel Premium separately.Read the answer

PlumFree on the App Store