Natural Cycles: Fertility App

Ovulation Tracker・FDA-cleared

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Natural Cycles is a 100% non-hormonal birth control app cleared by FDA. Get an NC° Band with our annual subscription, or a compatible wearable to measure your basal temperature and track your biomarkers. Trusted by 6M+ women, using Natural Cycles as an ovulation tracker is a great way to start your birth control or fertility journey. Trust in science to support you • Natural Cycles is 98% effective when used as intended, and 93% with typical use. • Typical use is in the same effectiveness category as the contraceptive pill, which is 93% effective. • Unlike period trackers, our algorithm uses personalized temperature trends data to detect ovulation. Naturally prevent pregnancy • NC° Birth Control is a non-hormonal contraception with no side effects. • Our algorithm updates your fertility and ovulation status daily based on your temperature, showing not-fertile days, or days to use protection. Organic pregnancy planning • NC° Plan Pregnancy measures your body temperature to track ovulation when trying to conceive. • Powered by biometrics, our algorithm pinpoints ovulation and peak fertility - you can try when it matters. • NC° partner view lets you choose to allow your partner to follow your pregnancy planning journey. Monitor your pregnancy • NC° Follow Pregnancy helps you monitor your baby’s developmental stages. • Get tailored guidance, tracking baby movements, morning sickness, and other symptoms. Get postpartum support • NC° Postpartum supports you after pregnancy with daily check-ins, tracking symptoms, post-partum bleeding and providing articles with expert guidance. • Use temperature to know when ovulation returns post-pregnancy. Track perimenopause symptoms • NC° Perimenopause measures your temperature to track hormonal changes and symptoms until post-menopause. Gain sleep insights • See how and why your sleep changes across your cycle with Sleep Insights. Choose your measuring device •Natural Cycles is an ovulation tracker that can be used with the NC° Band, basal thermometer, Oura Ring, WHOOP, compatible Garmin devices or Apple Watch Series 8 or newer. • Easily measure your temperature to track your fertility, using your choice of compatible wearable. • Sign up to NC° Annual subscription and receive a free NC° Band. More than a period tracker • The NC° app adapts to your unique cycle, tracking fertility and ovulation even with irregular periods. • Most period trackers assume you have a 28-day cycle, when most women don’t. We give you tailor-made guidance based on your menstrual cycle. Subscription service • Subscribe to our monthly or annual plan to unlock core features. • Subscriptions are FSA/HSA eligible for reimbursement. Every Natural Cycles subscription includes our advanced data protection program. Some free period tracking apps don’t have the same level of accountability. Your privacy is a priority. Natural Cycles is designed to keep your data safe. The NC° app is more than just a period tracker, use it as a birth control, or to plan pregnancy with our ovulation tracker and daily fertility updates. Join 6 Million+ women who trust Natural Cycles. Natural Cycles connects with Apple Health to read and write your health data, including medications, body temperature and cycle information. ___________ Precautions • Natural Cycles does not protect against sexually transmitted infections (STIs). Use a condom to protect against STIs. • No method of birth control is 100% effective. Even when using the birth control app perfectly, there is still a chance of pregnancy. • Natural Cycles is for women 18 and older. • Natural Cycles is authorized for use as birth control in the US, Canada, the UK, the EU/EEA, Australia, Singapore, Brazil, and South Korea. Outside these regions, the app is intended for fertility monitoring only. • To use Natural Cycles, you need to understand English or one of the supported languages. • Consult with a doctor before making any medical decisions.

  • 4.8
    out of 5
    30K Ratings

We have polished the app for an even smoother experience.

The developer, NaturalCycles Nordic AB, 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:

    • Contact Info
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • Purchases
    • Contact Info
    • Identifiers
    • Usage Data
    • Sensitive Info
    • Diagnostics
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • NaturalCycles Nordic AB
Size
  • 143.7 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 16.7 or later.
  • iPhone
    Requires iOS 16.7 or later.
  • iPad
    Requires iPadOS 16.7 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
  • Apple Watch
    Requires watchOS 9.0 or later.
Languages
English and 3 more
  • English, Portuguese, Spanish, Swedish
Age Rating
16+
  • 16+
  • This app is rated 16+ with content restrictions.

    Some content may be rated higher, and may therefore be restricted and managed by the developer through in-app controls.
  • In-App Controls
    Age Assurance

    Frequent
    Medical Treatment information

    Contains
    Unrestricted Web Access
    Health or Wellness Topics
In-App Purchases
Yes
Copyright
  • © NaturalCycles Nordic AB