Know your fertile window before it arrives. PhaseMate's circular cycle calendar shows couples exactly when it matters most.
Your cycle is the most powerful tool you have. PhaseMate helps you read it.
Whether you're trying to conceive, understanding your body for the first time, or just tired of being caught off guard by your own hormones — PhaseMate gives you clarity that other apps simply don't.
Most period trackers show you a grid. A grid tells you nothing about how your cycle actually flows. PhaseMate uses a circular calendar — the world's first — because your cycle is a circle, not a straight line. See your fertile window, your Luteal phase, your Ovulatory peak, all mapped exactly where they belong. You and your partner can see at a glance when the timing is right.
Your cycle is yours. Not an average. Not a guess. PhaseMate learns your personal pattern over time using AI, so predictions get sharper the longer you use it. No two cycles are the same and PhaseMate is built around that truth.
Trying to conceive is one of the most important journeys a couple can take. Timing matters. Understanding matters. PhaseMate gives both partners a shared view of the cycle so nothing gets lost in translation. She logs. He sees. No awkward conversations, no guessing games.
Too busy to open an app? Just speak. PhaseMate's voice logging means you can track your day without typing a single word. A purchase is required to access PhaseMate. Subscription pricing and options are displayed before payment.
What PhaseMate gives you:
The world's first circular cycle calendar — see your full rhythm at a glance, the way nature intended
AI-powered phase predictions that learn your personal cycle, not a textbook average
Fertile window tracking so couples always know when timing is on their side
Luteal phase support — your most misunderstood days finally given the attention they deserve
Voice logging — just speak your day out loud
Partner sync — share your phases without having to explain everything
Year view — plan travel, events and big moments around your best days
PhaseMate is not a medical tool. It is a personal rhythm guide built for women who want to understand their bodies and couples who want to work with that knowledge together.
Terms of Use: https://www.phasemateapp.com/pages/terms-of-use
This is so much more than just a period tracking app!
NateThaGrayte
This app helps tracks her period and cycle, but this app also helps partners understand each other better and allows them to build a healthier and stronger bond.
Developer Response
We are over the moon that you love our period and cycle tracker and can use it to build a healthy relationship and a stronger bond with your partner. Thats why we do what we do!
Game Changer
I love me some chocolate
This app is incredible. Even as a woman I wasn't aware of my own cycle. I can better understand myself and now improve my relationships.
Improved my relationship!
Mehmet Can Alaca
Can’t thank this app enough! Really helped me better understand and support my girlfriend when she needed.
Robust
sjaisuenoq
Very robust app taking you through all the different period stages. I never even thought of most of these besides ovulation
Smarter cycle predictions that learn your personal pattern over time. New phase calendar improvements for a clearer view of your fertile window. Performance fixes for older iPhone models and onboarding refinements for a smoother start. AI assistant updates and general stability improvements.
Version 3.0.8
The developer, Phasemate LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Identifiers
Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
Contact Info
User Content
Identifiers
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More