Best Natural Cycles Fertility App

195+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated July 2026

Finding the right natural cycles fertility app can be overwhelming with so many options. We've analyzed 195+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Natural Cycles Fertility App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Natural Cycles Fertility AppNatural Cycles Fertility AppFree4.8★ (30K)YesYesJul 2026
2Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (74K)YesYesJul 2026
3Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (399K)YesYesJul 2026
4Овуляция Tracker - PremomОвуляция Tracker - PremomFree4.8★ (58K)NoYesJul 2026
5MyFlo® Period Tracker CalendarMyFlo® Period Tracker CalendarFree4.4★ (14K)YesYesJul 2026
6Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)YesYesJul 2026
7Femometer Fertility TrackerFemometer Fertility TrackerFree4.9★ (70K)NoYesJul 2026
8Inito Fertility & OvulationInito Fertility & OvulationFree4.9★ (4.2K)NoNoJul 2026

Top Picks for Natural Cycles Fertility App

Natural Cycles Fertility App#1

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Editor's Choice
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#32in Health & Fitness
Natural Cycles Fertility App screenshot 1
Natural Cycles Fertility App screenshot 2
Natural Cycles Fertility App screenshot 3
Natural Cycles Fertility App screenshot 4
Natural Cycles Fertility App screenshot 5
Natural Cycles Fertility App screenshot 6

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.

What We Love

  • 👍 Teaches users about their cycle
  • 👍 Helps users understand their body
  • 👍 Provides a natural contraceptive option
  • 👍 Accurate in predicting ovulation and periods

Room to Improve

  • 🐛 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
Glow Ovulation & Period App#2

Glow Ovulation & Period App by Glow

FDA Listed Fertility Tracker
Strong Contender
💪 Health & Fitness
4.7😐(74K ratings)
FreeAdsIn-App Purchases
Glow Ovulation & Period App screenshot 1
Glow Ovulation & Period App screenshot 2
Glow Ovulation & Period App screenshot 3
Glow Ovulation & Period App screenshot 4
Glow Ovulation & Period App screenshot 5
Glow Ovulation & Period App screenshot 6

Track your menstrual cycle, ovulation, and fertility signs with personalized insights. Improve your chances of getting pregnant and better understand your body. Connect with a supportive community for advice and shared experiences.

What We Love

  • 🚀 Accurate period and ovulation tracking
  • 👍 Helpful community and support
  • 📊 Detailed cycle analysis and insights
  • 🤰 Useful for trying to conceive

Room to Improve

  • 💬 Overwhelming community with rude/toxic comments
  • 📢 Excessive ads and push for premium subscription
  • 🤯 Cluttered and confusing UI after updates
Clue Period & Cycle Tracker#3

Clue Period & Cycle Tracker by BioWink GmbH

Ovulation & Fertility Calendar
Worth Considering
💪 Health & Fitness
4.8😐(399K ratings)
FreeAdsIn-App Purchases
#16in Health & Fitness
Clue Period & Cycle Tracker screenshot 1
Clue Period & Cycle Tracker screenshot 2
Clue Period & Cycle Tracker screenshot 3
Clue Period & Cycle Tracker screenshot 4
Clue Period & Cycle Tracker screenshot 5
Clue Period & Cycle Tracker screenshot 6

This app helps women and people with cycles understand their bodies through period tracking, fertility predictions, and health insights. It offers personalized forecasts, tracks over 100 experiences, and provides science-based content. Connect wearables for advanced health analysis.

What We Love

  • 🚀 Accurate predictions
  • 📊 Helpful data analysis
  • 🗓️ Convenient period tracking
  • 🌈 Inclusive and gender-neutral

Room to Improve

  • 💰 Paywall for key features
  • 🔍 Difficult to access personal data
  • 🔄 Frequent app updates causing issues

More Natural Cycles Fertility App apps to explore

4
Овуляция Tracker - Premom
Овуляция Tracker - Premom
Овуляция Tracker - Premom
Беременность & менструация
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility to increase chances of conception. It offers personalized insights, expert guidance, and tools like BBT charting and ovulation test scanning. Users can also track pregnancy progress and connect with a supportive community.

Ovulation test scanning and LH level quantificationAutomatic BBT thermometer syncing and chartingPeriod and cycle logging with symptom tracking
💪 Health & Fitness
(58K)
free with in-app purchases
5
MyFlo® Period Tracker Calendar
MyFlo® Period Tracker Calendar
MyFlo® Period Tracker Calendar
Cycle Syncing® & Ovulation
Free

This app helps women understand and optimize their hormonal health by tracking menstrual cycles, predicting ovulation, and offering personalized guidance for diet, exercise, and mood. It supports natural symptom management for various conditions and empowers users to sync their lives with their cycle phases.

Period and ovulation trackingCycle syncing plannerPersonalized health guidance
💪 Health & Fitness
(14K)
subscription
6
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Period and ovulation trackingFertility and pregnancy supportSymptom and mood logging
💪 Health & Fitness
(1.9M)
free with in-app purchases
7
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

Period and PMS trackingOvulation and fertile window predictionBasal Body Temperature (BBT) charting
💪 Health & Fitness
(70K)
free with in-app purchases
8
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Smartest Ovulation Tracker!
Free

This app tracks fertility and ovulation by measuring four key hormones. It identifies your most fertile days and confirms ovulation, personalizing insights for regular and irregular cycles. Get detailed results and cycle insights with this smart fertility monitor and app.

Tracks 6 fertile daysConfirms ovulationMeasures 4 fertility hormones
💪 Health & Fitness
(4.2K)
free with in-app purchases
9
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Ovulation Cycle & Fertile Days
Free

This app helps women track their ovulation and fertile days with advanced charting tools. It provides personalized insights into your cycle, helping you understand your fertility signs and maximize your chances of conception. Millions of women trust it for accurate cycle analysis and pregnancy tracking.

Ovulation detectionFertile window predictionBBT and cervical fluid tracking
💪 Health & Fitness
(7.3K)
freemium
10
Period Tracker - Menstrual & Ovulation Calendar
Period Tracker - Menstrual & Ovulation Calendar
Period Tracker - Menstrual & Ovulation Calendar
by BHI Technologies, Inc.
Free

This app helps users track their menstrual cycles, predict fertile and ovulation days, and log symptoms and moods. It offers smart cycle calculations and a pregnancy mode to assist with conception or avoidance. Features include passcode protection, data backup, and elegant design.

Track and predict period, fertile, and ovulation daysLog symptoms and moodsPregnancy mode
💪 Health & Fitness
(269)
free with in-app purchases
11
Menstrual Calendar FMC
Menstrual Calendar FMC
Menstrual Calendar FMC
Period Tracker, Fertile Days
Free

This app helps you track your menstrual cycle, predict periods and fertile days, and record wellness data. It offers customizable tracking, discreet notifications, and privacy features for personal cycle management.

Period and flow recordingMood and wellness trackingFertility sign logging
💪 Health & Fitness
(190)
free
12
Cycle Tracker & Period: Cycles
Cycle Tracker & Period: Cycles
Cycle Tracker & Period: Cycles
Fertility & Ovulation App
Free

Track your menstrual cycle, fertility, and ovulation with ease. Log observations, predict fertile days, and manage irregular periods. Offers partner connection and detailed insights for better reproductive health management.

Cycle tracking at a glanceLog body and mood observationsFertile day predictions
💪 Health & Fitness
(26K)
freemium
13
Stardust Period Tracker
Stardust Period Tracker
Stardust Period Tracker
Track your period & cycle
Free

This health app helps you understand and track your menstrual cycle, ovulation, and pregnancy. It combines scientific data with ancient wisdom and astronomy to provide personalized insights and goal manifestation tools. Features include period predictions, symptom tracking, and lunar synchronicity.

Period and ovulation predictionPregnancy tracking with ARDaily personalized insights
💪 Health & Fitness
(111K)
free with in-app purchases
14
Prelude Connect
Prelude Connect
Prelude Connect
Prelude Fertility
Free

Manage your fertility journey with this app, offering an interactive calendar, direct messaging with your care team, and 24/7 access to your account. Track medications, appointments, and receive important notifications to stay on course.

Interactive fertility calendarCare team messaging24/7 account portal access
🏥 Medical
(928)
free
15
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

This app helps women track their menstrual cycles, predict periods and ovulation, and log moods and symptoms. It offers insights into health trends and a supportive community for discussing sexual health.

Period and ovulation predictionMood and symptom loggingHealth data visualization
💪 Health & Fitness
(114K)
freemium
16
Monthly Cycles
Monthly Cycles
Monthly Cycles
by Shanghai Fenghe Information Technologies Co., Ltd.
$1.99

Monitor and understand your menstrual cycle with a beautifully designed app. Track symptoms, predict fertile days, and plan for pregnancy or contraception. Gain insights into your body's patterns and export your data for personal or medical use.

Calendar view of cycleFertile day predictionSymptom and flow tracking
💪 Health & Fitness
(67)
free
17
iPeriod Period Tracker +
iPeriod Period Tracker +
iPeriod Period Tracker +
Period & Cycle Tracker
$1.99

This app helps women track their menstrual cycles, fertility, and ovulation. It offers personalized insights, smart notifications, and a discreet interface, prioritizing user privacy. It also integrates with Apple Health for a comprehensive wellness overview.

Period and cycle trackingFertility and ovulation predictionsSymptom and mood logging
💪 Health & Fitness
(2.7K)
subscription
18
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Fertility tracking & analysis
Free

This app uses AI to track your menstrual cycles and analyze hormonal data for fertility insights. It helps you understand your reproductive health, predict ovulation, and make informed decisions about your body. Access expert resources and personalized tips to optimize your fertility journey.

AI-powered cycle trackingHormonal data analysisFertility prediction
💪 Health & Fitness
(2.5K)
free
19
Salve
Salve
Salve
Fertility Patient Companion
Free

This app serves as a comprehensive companion for individuals undergoing fertility treatment. It centralizes appointment details, treatment plans, and communication with healthcare providers, aiming to reduce stress and confusion. The platform offers secure messaging, timely reminders, and educational resources to support patients throughout their journey.

One-stop hub for appointments, forms, and messages24/7 clinic messagingAutomated appointment and medication reminders
💪 Health & Fitness
(136)
free
20
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Ovulation & fertility tracker
Free

Understand your menstrual cycle and reproductive health with science-backed tools. Track fertility signs, get data-driven predictions, and connect with a supportive community. Ideal for managing fertility, pregnancy planning, or discussing health with your doctor.

Fertility sign tracking (BBT, cervical mucus, etc.)Data-driven fertility and period predictionsCustomizable data fields
🏥 Medical
(9.9K)
freemium

FAQ about Natural Cycles Fertility App

What is the best natural cycles fertility app for iPhone?
Natural Cycles Fertility App tops our natural cycles fertility app ranking as of July 2026, with a 4.8-star average from 30K App Store ratings, and it's free to download.
Yes — 18 of the top natural cycles fertility app we rank are free to download, including Natural Cycles Fertility App and Glow Ovulation & Period App.
Natural Cycles Fertility App shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 195+ natural cycles fertility app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
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.
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.