Best Natural Cycles Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

Looking for free natural cycles apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Natural Cycles Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Natural Cycles: Fertility AppNatural Cycles: Fertility AppFree4.8★ (30K)YesYesAug 2026
2Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)NoYesAug 2026
3Lively - Period Tracker, CycleLively - Period Tracker, CycleFree4.8★ (49K)NoYesAug 2026
4Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (402K)NoYesAug 2026
5Stardust Period TrackerStardust Period TrackerFree4.8★ (115K)YesYesAug 2026
6Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesAug 2026
7Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoAug 2026
8PERIOD. Cycle & Period TrackerPERIOD. Cycle & Period TrackerFree3.8★ (4)NoYesAug 2026

Top Picks for Natural Cycles

Natural Cycles: Fertility App#1

Natural Cycles: Fertility App by NaturalCycles Nordic AB

Ovulation Tracker・FDA-cleared
Editor's Choice
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#28in 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
Flo Cycle & Period Tracker#2

Flo Cycle & Period Tracker by FLO HEALTH UK LIMITED

Ovulation & Pregnancy Calendar
Strong Contender
💪 Health & Fitness
4.7😐(1.9M ratings)
FreeIn-App Purchases
#4in Health & Fitness
Flo Cycle & Period Tracker screenshot 1
Flo Cycle & Period Tracker screenshot 2
Flo Cycle & Period Tracker screenshot 3
Flo Cycle & Period Tracker screenshot 4
Flo Cycle & Period Tracker screenshot 5
Flo Cycle & Period Tracker screenshot 6

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.

What We Love

  • 🚀 Accurate period predictions
  • 📊 Helpful insights and information
  • 🤝 Supportive community
  • 🗓️ Useful tracking features

Room to Improve

  • 💰 Excessive push for premium subscription
  • 🔒 Privacy concerns around data sharing
  • 🤖 Lack of inclusivity for non-binary users
Lively - Period Tracker, Cycle#3

Lively - Period Tracker, Cycle by Lively Cycle, LLC

Ovulation & Pregnancy Calendar
Worth Considering
💪 Health & Fitness
4.8😐(49K ratings)
FreeIn-App Purchases
#37in Health & Fitness
Lively - Period Tracker, Cycle screenshot 1
Lively - Period Tracker, Cycle screenshot 2
Lively - Period Tracker, Cycle screenshot 3
Lively - Period Tracker, Cycle screenshot 4
Lively - Period Tracker, Cycle screenshot 5
Lively - Period Tracker, Cycle screenshot 6

This app helps you understand and align with your body's natural cycle. It provides personalized daily tips for nutrition, exercise, and self-care based on your menstrual phase. It also supports pregnancy and postpartum journeys, and offers a unique partner syncing feature.

What We Love

  • 💕 Lovely design
  • 🤝 Partner syncing feature
  • 📚 Informative cycle insights
  • 🌱 Helpful food and activity suggestions

Room to Improve

  • 💰 Expensive subscription
  • 🤔 Limited free features
  • 🔍 Lack of symptom tracking

More Natural Cycles apps to explore

4
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

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.

Personalized period predictionsTrack 100+ cycle-related experiencesFertility and ovulation calculator
💪 Health & Fitness
(402K)
free with in-app purchases
5
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
(115K)
free with in-app purchases
6
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Fertility, Period & Pregnancy
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
(59K)
free with in-app purchases
7
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Fertility, Ovulation, & Period
Free

Track your menstrual cycle, fertility, pregnancy, postpartum recovery, and menopause with personalized insights and expert articles. This app offers tools for ovulation prediction, baby growth tracking, and symptom management.

Period & Fertility calendarPregnancy tracker with baby growthPostpartum recovery modes
🏥 Medical
(90K)
free with in-app purchases
8
PERIOD. Cycle & Period Tracker
PERIOD. Cycle & Period Tracker
PERIOD. Cycle & Period Tracker
Ovulation, PMS. No data sold.
Free

This app helps you understand your body by tracking your menstrual cycle, predicting ovulation, and logging symptoms. It offers AI-powered insights and explanations of cycle phases, prioritizing user privacy with data stored securely on EU servers.

Period and cycle trackingOvulation and fertile day predictionsSymptom logging (mood, energy, sleep)
💪 Health & Fitness
(4)
freemium
9
FEMM Period Ovulation Tracker
FEMM Period Ovulation Tracker
FEMM Period Ovulation Tracker
Health, Period & Ovulation
Free

This app helps women track their menstrual cycles, symptoms, and fertility. It offers insights into hormonal health and connects users with healthcare professionals for personalized care and education.

Cycle and period trackingSymptom logging (physical & emotional)Daily data input reminders
💪 Health & Fitness
(4.1K)
free
10
Phases: Cycle Syncing
Phases: Cycle Syncing
Phases: Cycle Syncing
Registo do Ciclo & Insights
Free

This app helps you understand and align your lifestyle with your natural hormonal phases. It provides insights into mood, energy, and cycle predictions to optimize productivity and self-care.

Smart period and cycle trackingDaily cycle syncing adviceMood and energy insights logging
💪 Health & Fitness
(1)
freemium
11
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Fertility & Ovulation Calendar
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
(27K)
freemium
12
Bloom Cycle Period Ovulation
Bloom Cycle Period Ovulation
Bloom Cycle Period Ovulation
by SDRE Solutions Private Limited
Free

This app helps women track their menstrual cycles and ovulation with science-backed daily guidance tailored to their body's natural rhythm. It offers phase-by-phase insights, symptom tracking, and a beautiful, private interface.

Cycle syncing guidancePhase-by-phase insightsSymptom and mood tracking
💪 Health & Fitness
(1)
free
13
Bloomi: Period & Cycle Tracker
Bloomi: Period & Cycle Tracker
Bloomi: Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

This advanced period tracker helps you understand your body by logging cycles, predicting periods and ovulation, and offering personalized insights. An AI chat assistant provides 24/7 health advice and custom reminders keep you informed about your cycle.

Cycle tracking and phase loggingPeriod and ovulation predictionsIntegrated cycle calendar
💪 Health & Fitness
(1)
freemium
14
Cycle Fairy
Cycle Fairy
Cycle Fairy
Your Magical Hormone Companion
Free

This app helps you understand your body and hormonal phases with AI-powered wellness insights. It offers personalized daily content, a chat feature for support, and detailed cycle tracking. Your privacy and data control are prioritized.

AI-powered cycle trackingPersonalized daily wellness insightsChatbot for cycle-aware support
💪 Health & Fitness
(1)
free
15
Déjà Well: cycle syncing
Déjà Well: cycle syncing
Déjà Well: cycle syncing
by Deja App Inc.
Free

This app helps women sync with nature and their bodies through cycle tracking, astrological forecasts, and personalized self-care. It offers daily meditations and breathwork practices to support well-being and goal achievement.

Cycle tracking calendarDaily hormone graphSeasonal wisdom and astrology forecasts
🌟 Lifestyle
(2)
freemium
16
Lunelle Cycle & Period Tracker
Lunelle Cycle & Period Tracker
Lunelle Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free
💪 Health & Fitness
(0)
17
Ovella : Period Tracker
Ovella : Period Tracker
Ovella : Period Tracker
Cycle & Safety Forecast
Free

This app helps you understand your body by tracking your menstrual cycle, fertile window, and safe days. Log symptoms and moods to identify patterns and gain personalized health insights. It offers accurate predictions and secure data encryption.

AI-powered period predictionsFertile and safe days trackingSymptom and mood logging
🔧 Utilities
(1)
free with in-app purchases
18
Oura
Oura
Oura
by Oura Health Oy
Free

This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.

Daily Sleep, Activity, and Readiness scoresAccurate biometric tracking (heart rate, temp, SpO2)In-depth sleep analysis and optimization tips
💪 Health & Fitness
(285K)
free
19
Easy Ovulation - My Fertility
Easy Ovulation - My Fertility
Easy Ovulation - My Fertility
Period Tracker made with Love
Free

This app offers a unique approach to fertility tracking by using daily selfies to estimate your fertile window. It leverages advanced iPhone camera technology to detect subtle facial changes associated with ovulation, aiming for approximately 70% accuracy. It is not intended for use as a contraceptive.

Ovulation estimation via selfiesFacial change detectionFertile window prediction
💪 Health & Fitness
(3)
free with in-app purchases
20
Lutea - cycle charting app
Lutea - cycle charting app
Lutea - cycle charting app
Your cycle charting app
Free

Easily track, visualize, and analyze your menstrual cycle with detailed symptom logging and manual charting. Offers customizable cycle settings and local data backup for privacy. Export your charts for easy sharing.

Symptom tracking (BBT, mucus, bleeding)Manual cycle charting with graphsQuick symptom overview
💪 Health & Fitness
(1)
free with in-app purchases

FAQ about Natural Cycles

What are the best natural cycles apps for iPhone?
Natural Cycles: Fertility App tops our natural cycles apps ranking as of August 2026, with a 4.8-star average from 30K App Store ratings, and it's free to download.
Yes — 20 of the top natural cycles apps we rank are free to download, including Natural Cycles: Fertility App and Flo Cycle & Period Tracker.
Natural Cycles: Fertility App shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ natural cycles apps on the iOS App Store as of August 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.

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