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Natural Cycles Fertility App

Natural Cycles Fertility App

Decode your hormonal health

30K ratings
1102 reviews
With Ads#31 in top-grossing Health & Fitness
💪 Health & Fitness
🏥 Medical
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated

Features

Developer

NaturalCycles Nordic AB
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Natural Cycles Fertility App screenshot #1 for iPhone
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Natural Cycles Fertility App screenshot #7 for iPhone
Natural Cycles Fertility App screenshot #8 for iPhone
Natural Cycles Fertility App screenshot #9 for iPhone
Natural Cycles Fertility App screenshot #10 for iPhone
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About

This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.

✓Hormone-free contraception
✓Ovulation tracking via temperature
✓Personalized cycle adaptation
✓Pregnancy planning and tracking
✓Postpartum and perimenopause modes
✓Mood tracking
✓Data protection
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What users say

Summarized from real user reviews of Natural Cycles Fertility App. Based on 30K reviews and a 4.8/5 average, it highlights the 8 positives and 7 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 👍Teaches users about their cycle
  • 👍Helps users understand their body
  • 👍Provides a natural contraceptive option
  • 👍Accurate in predicting ovulation and periods
  • 👍Empowers users to take control of their fertility
  • 👍Improves mood and reduces side effects compared to hormonal birth control
  • 👍Useful for both preventing and planning pregnancy
  • 👍Detailed data and insights about user's cycle

Negative things

  • 🐛Inconsistent in predicting ovulation and periods for some users
  • 🐛Thermometer issues (loud, hard to read, no Bluetooth connectivity)
  • 🐛Difficult to use for users with irregular cycles or disrupted sleep schedules
  • 🐛Lack of customer support responsiveness
  • 🐛Automatic subscription renewal issues and no refunds
  • 🐛Algorithm not always accurate, leading to unintended pregnancies
  • 🐛Cluttered and unintuitive app interface
See all reviews
+1

What's New in Natural Cycles Fertility App

5.8.3

August 4, 2026

We've been busy working under the hood. Our latest update ensures our technical health stays strong so you can enjoy a seamless experience.

Subscription plans

Yearly with 7 day trial

Yearly with 7 day trial

$119.991 Year
7 Days trial
How to cancel Natural Cycles Fertility App subscription ⁉️

Charts

Top Grossing

📈 31+1

Health & Fitness

This app rose +1 position in Health & Fitness chart.

Last updated on August 8, 2026.

Top Free

📉 61-2

Health & Fitness

This app dropped -2 positions in Health & Fitness chart.

Last updated on August 8, 2026.

Events

Read more about Use WHOOP with Natural Cycles°
AvailableБольшое Обновление

Use WHOOP with Natural Cycles°

Wear WHOOP overnight, wake up to NC° insights.

Aug 4, 2026 — Sep 1, 2026

Read More

Read more about Meet Sleep Insights
Event EndedMajor Update

Meet Sleep Insights

Your cycle, your sleep — connected in one place

Jun 16, 2026 — Jul 17, 2026

Read More

Read more about Natural Cycles° x Garmin
Event EndedMajor Update

Natural Cycles° x Garmin

New integration is here.

Mar 31, 2026 — May 1, 2026

Read More

See All

User reviews

Most RecentHighest RatedLowest Rated

.

Whoop recommended this app for me and when i subscribed it is instructing me to use apple watch! which i don’t want to use. i can’t go back i cant cancel !
HMS_01HMS_01

Scam

I downloaded this so I could track my temp throughout the day so I can track my fertility but you need to buy a subscription just to use the damn app, there’s other apps out there that could do the same thing but free! This app is a money hungry scam demanding money off of women wanting to know more about their bodies.
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Dannielle63Dannielle63

Great paired with Oura

I find natural cycles really useful. Found it even better once I paired with an Oura ring. Good reliable info and insights
7242lucy7242lucy

More options

Would appreciate if I were able to log condom and withdrawal for sex as some people do both at the same time
Kaylan MaezKaylan Maez

SCAM

Charged me even though I canceled it after 1 week during a month free trial. Won’t refund
Jessica MeolaJessica Meola
See 1097 more reviews

User experience

🐞

Reported Bugs

3 issues

App functionality issues after updates

Bug

Syncing problems between thermometer and app

Bug

Inaccurate pregnancy and ovulation predictions

Bug
✨

Requested Features

6 requests

Add ability to track additional symptoms and cycle data

Feature

Integrate with other health tracking devices and apps

Feature

Improve thermometer design and connectivity

Feature

Provide more personalized cycle predictions and insights

Feature

Enhance app design and user experience

Feature

Offer more flexible subscription options

Feature

FAQ

What does the Natural Cycles app do?

The app uses your body temperature to track ovulation, helping you identify fertile days for preventing or planning pregnancy. It offers a hormone-free contraception method and provides insights into different stages of your reproductive health, including postpartum and perimenopause.

How effective is Natural Cycles for birth control?

The app is scientifically proven to be 93% effective with typical use and 98% effective with perfect use. It's important to note that no birth control method is 100% effective, and it does not protect against STIs.

What are the subscription options and costs?

Natural Cycles requires a subscription to access its core features, with options for monthly and annual plans. Signing up for an annual subscription often includes a free NC° Band. US users may be covered by insurance for their subscription.

What devices can I use to measure my temperature with Natural Cycles?

You can measure your temperature using the NC° Band, an Oura Ring, Apple Watch Series 8 or newer (worn while sleeping), or a compatible Garmin device. The app adapts to your unique cycle, even if it's irregular.

Is my data safe with Natural Cycles?

Yes, advanced data protection is a priority. Unlike many free apps that sell user data for advertising, Natural Cycles' subscription fee helps protect your privacy and keep your data safe.