What is the best period calendar app for iPhone?

Luteal is a period calendar app for iPhone that shows not just your period dates, but your current cycle phase, fertile window estimate, and daily context. It is free to download and built with privacy in mind.

Luteal is a private period and cycle tracking app for iPhone. It tracks your menstrual phases, mood, symptoms, and ovulation, and lets you share your cycle with a partner.

Luteal is free to download on the App Store. A premium version with additional features is available as an in-app purchase.

Yes. Luteal is built with privacy as a first principle. Your cycle data is encrypted in transit and at rest, never sold or shared with third parties, and never shown to advertisers. Partner sharing is strictly opt-in and revocable at any time.

What is the luteal phase?

The luteal phase is the second half of the menstrual cycle, occurring after ovulation and before your next period. It typically lasts 10 to 16 days and is associated with a rise in progesterone, which can affect energy, mood, sleep, and appetite.

Does Luteal work on Android?

Luteal is currently available on iOS (iPhone) only. An Android version is not yet available.

What is the best period calendar app for iPhone?

Luteal is a period calendar app for iPhone that shows not just your period dates, but your current cycle phase, fertile window estimate, and daily context. It is free to download and built with privacy in mind.

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Calendar5 min

Period calendar on iPhone: plan your month around your cycle

A period calendar helps anticipate bleeding, ovulation, energy shifts, and days when rest matters more.

A calendar for anticipation

Knowing your likely next period or ovulation window can help with workouts, travel, appointments, rest, and important plans.

A useful calendar shows more than a date. It gives the phase and daily context too.

Reduce mental load

Luteal makes important cycle information visible quickly, so you do not have to recalculate your cycle in your head.

Built for iPhone

Luteal is available on iOS and designed for quick use: open, understand, log, and continue your day.

Frequently asked questions

What is the best period calendar app for iPhone?: Luteal is a period calendar app for iPhone that shows not just your period dates, but your current cycle phase, fertile window estimate, and daily context. It is free to download and built with privacy in mind.

Luteal

Track your cycle, mood, symptoms, phases and partner sharing in one private iPhone app.

Download on App Store