Natural Cycles

Temperature-based fertility and cycle tracking app, FDA-cleared as hormone-free birth control.

PaidProprietaryAndroidiOS

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About Natural Cycles

Natural Cycles uses body temperature and other biomarkers to work out fertile days. It is FDA-cleared as a birth control app and reports 93% effectiveness with typical use and 98% with perfect use.

Separate modes cover planning a pregnancy, following a pregnancy, postpartum recovery and perimenopause. Measurements can come from the company's NC° Band worn overnight or from compatible devices. It suits people who want non-hormonal contraception or cycle insight and are prepared to measure regularly.

Strengths

  • FDA-cleared as a birth control app
  • Covers contraception, pregnancy planning, postpartum and perimenopause
  • Works with an overnight band and other compatible devices

Limitations

  • Less effective than an IUD, with 93% typical-use effectiveness
  • Requires regular temperature or biomarker measurements
  • Pricing not listed on the homepage

Details

Pricing
PaidSubscription service; prices are not listed on the homepage.
License
Proprietary
Developer
Natural Cycles
Platforms
Android, iOS
How it runs
Downloadable app
Account
Required
Best suited for
People looking for hormone-free birth control or fertility tracking
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to Natural Cycles

Compare all

Software that can replace Natural Cycles for an important use case, and what changes if you switch.

  • drip

    Open-source menstrual cycle and fertility tracking app that keeps all entered data on your phone.

    drip is free and open source, keeps all data on the phone and supports the symptothermal method, but is not described as FDA-cleared birth control and has no device sync.

  • Clue

    Mobile app for tracking the menstrual cycle, with science-based predictions and insights.

    Clue offers science-based cycle predictions and insights on a freemium model, but is described as a cycle tracker rather than FDA-cleared contraception or temperature-based tracking.

  • Flo

    Mobile app for tracking periods, ovulation and pregnancy by logging cycle symptoms.

    Flo tracks periods, ovulation and pregnancy with symptom logging on a freemium model, without FDA clearance as birth control or support for an overnight temperature band.

Similar software

Related functionality, not necessarily a direct replacement.

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  • Ultrahuman

    Companion app for the Ultrahuman Ring and other Ultrahuman devices that tracks sleep, recovery and metabolism.

    PaidProprietaryAndroidiOS

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