Best Period Trackers to Share With Your Partner (2026)
You track your period, and you would like your partner to stop being surprised by it. Or you are the partner, and you would like to stop guessing. Either way you have found out that "share with partner" means something different in every app: a free code in one, a paid subscription in another, a full calendar here, a single notification there, and nothing at all in a few big names.
This is the side-by-side. For each app: whether sharing exists, what it costs, what the partner actually sees, and what stays private. The short answer is at the top. The detail, and the catches, follow.
The short answer
- Best free option on any phone: Flo. Partner mode is free for both of you and works on iPhone and Android.
- Best if you both have iPhones: Apple Health. Cycle Tracking sharing is built into iOS, free, and you choose each item he sees.
- Most control over what is shared: Natural Cycles Partner View, if you already pay for Natural Cycles.
- Cleanest calendar view: Clue Connect, but only if the person sharing pays for Clue Plus.
- If she does not want to share at all: a partner-side app, where he works from two rough dates on his own phone.
- No sharing at all: Samsung Health.
Flo: free, and the most common
How it works. She opens the Partner tab, taps Link your partner and sends him the pairing code. He installs Flo, chooses "I am a partner" and enters the code. Flo says it takes under two minutes. Both of you need to be at least 18.
Cost. Free. Neither of you needs Flo Premium for partner mode.
What he sees. Roughly where she is in her cycle, her predicted period and ovulation windows, notifications when her phase changes, and tips and quizzes for couples. He does not see her notes, her logged symptoms or her full history.
The catch. The partner view is thin, and Flo has a privacy history worth knowing: in 2021 it settled with the US Federal Trade Commission over sharing sensitive health data with third parties. Full detail in Flo for Partners: what he actually sees.
Apple Health: free, for two iPhones
How it works. She opens Sharing in the Health app, adds him, and picks Cycle Tracking from the list of topics. He accepts on his iPhone. Both of you need iOS 15 or later and need to be in each other's contacts.
Cost. Free, built into iOS.
What he sees. A read-only view of exactly the items she switches on. Cycle Tracking splits into separate toggles, including Menstruation, Period Prediction, Contraceptives and Sexual Activity, and she controls each one.
The catch. Both phones must be iPhones. She can stop sharing at any time, and his phone does not tell him when she does. More in Apple Health cycle sharing, explained.
Clue: a clean calendar, if she pays
How it works. In Clue she opens More, taps Clue Connect, and sends him an invite code.
Cost. Viewing is free. Sharing needs Clue Plus on her side, about $39.99 a year in the US or £24.99 in the UK.
What he sees. A simple calendar with her period days, predicted fertile window, ovulation and PMS days. Nothing she logs day to day, such as mood, pain or sleep.
The catch. She can share with one person at a time, and the link is one way. Details in Clue Connect for partners.
Natural Cycles: the most control
How it works. Settings, then Partner view, then Invite a partner. She enters his email address and he gets a link to set up a linked account.
Cost. Natural Cycles needs a subscription for its core features and does not sell Partner View as an extra. Check the current price on its site.
What he sees. Red and Green Days, ovulation status, predictions, temperatures and period entries. She can add more, such as PMS alerts, pain or sleep, and she decides how far back he can look. It is read-only.
The catch. It only makes sense if she already uses Natural Cycles. See Natural Cycles Partner View, explained.
Cycles, Stardust and Ovia
Cycles has Partner Connect, but only inside Cycles Premium, and there is no Android version. Her notes and reminders stay private. See Cycles Partner Connect.
Stardust has a Partner Mode where she invites him, and its own walkthroughs show the partner seeing her cycle phase and the symptoms she logged that day. The app is free to download. Stardust does not say whether Partner Mode itself is free. See Stardust Partner Mode.
Ovia calls it Friends & Family Sharing, inside the cycle and pregnancy app. Ovia describes what is shared only as "daily updates". See Ovia for partners.
Samsung Health: no sharing
Samsung Health has good cycle tracking and no way to share it with a partner. Samsung says so on its own support pages. It can pass her data to other apps on her own phone through Android's Health Connect, but not to his phone. See Samsung Health for partners.
What sharing does not solve
Every app above answers one question: where is she in her cycle? That is useful, and it is also where most of them stop. A shared calendar tells him her period is due on Thursday. It does not tell him that the days before are often the hardest, that tonight is a bad night to bring up money, or that a hot water bottle will do more than a pep talk.
So before you pick, ask what you actually want from sharing. If it is "he should know my dates", any of the free options will do. If it is "he should know what to do with my dates", you want something that turns the date into guidance, or a partner who reads up on it. A good starting point for him is how to support your girlfriend during her period.
And sharing should always be a choice. Every app above puts her in control of starting and stopping it, which is how it should be. Nobody should be pushed into sharing health data to keep the peace.
Where Yuni fits
Disclosure: Yuni is our app.
Yuni is built from the partner's side. He enters roughly when her last period started and how long her cycle runs, and each day Yuni tells him which phase she is probably in, what that often feels like and what tends to help. She does not have to install anything or share anything for that to work.
If she wants him to see her real dates, she can track in Yuni too and share her cycle with him. In the iPhone app, sharing your cycle with your partner is free. Yuni starts with 3 free days, and one plan covers both of you: when either partner subscribes, the other gets Premium too. It is an iPhone app and also runs in any browser, including on Android. See Yuni pricing for the plans, or Flo vs Clue vs Cycles for the view from his side.
Common questions
Is there a free period tracker I can share with my partner? Yes. Flo's partner mode is free for both of you on iPhone and Android, and Apple Health Cycle Tracking sharing is free if you both have iPhones.
Which period tracker lets my boyfriend see my cycle on Android? Flo works on Android and its partner mode is free. Samsung Health, the default on many Android phones, has no partner sharing.
Can my partner see my symptoms and notes? It depends on the app. Flo and Clue do not show him your notes or daily logs. Stardust's partner view shows the symptoms you log. Apple Health and Natural Cycles let you choose item by item.
Is there a period tracker that notifies my partner? Flo sends him notifications when your phase changes. Natural Cycles can show him PMS alerts if you switch them on. Yuni shows him daily guidance based on where you are in your cycle.
Can I stop sharing later? Yes, in every app listed here. The person who shares controls it and can end it at any time.
Does my partner need to pay? Not in Flo or Apple Health. In Clue, only the person sharing pays. In Yuni, one plan covers both of you.
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