Best Irregular Cycles Apps

64+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our irregular cycles list covers 64+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Irregular Cycles Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Irregular CyclesIrregular CyclesFree3.4★ (5)NoNoMay 2026
2Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (172K)YesYesAug 2026
3Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)NoYesAug 2026
4Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (400K)NoYesAug 2026
5Period Tracker - Cycle LogPeriod Tracker - Cycle LogFreeNoAug 2026
6Cycla AI: PCOS Period TrackerCycla AI: PCOS Period TrackerFree5.0★ (4)NoYesJul 2026
7WAVS: PCOS & Cycle SyncingWAVS: PCOS & Cycle SyncingFree5.0★ (19)NoYesMay 2026
8Flow: Cycle & Period CalendarFlow: Cycle & Period CalendarFree4.1★ (8)NoNoJul 2026

Top Picks for Irregular Cycles

Irregular Cycles#1

Irregular Cycles by Spit Lab AB

From PCOS to pregnant
Editor's Choice
🏥 Medical
3.4(5 ratings)
Free
Irregular Cycles screenshot 1
Irregular Cycles screenshot 2
Irregular Cycles screenshot 3
Irregular Cycles screenshot 4
Irregular Cycles screenshot 5
Irregular Cycles screenshot 6

This app helps women with irregular cycles, PCOS, and hormone imbalances track symptoms, mood, and lifestyle. It allows users to save photos of ovulation and pregnancy tests. It is designed as a supportive tool for managing reproductive health.

Period Tracker Period Calendar#2

Period Tracker Period Calendar by ABISHKKING LIMITED.

Cycle Tracker & Ovulation
Strong Contender
💪 Health & Fitness
4.9😊(172K ratings)
FreeAdsIn-App Purchases
#36in Health & Fitness
Period Tracker Period Calendar screenshot 1
Period Tracker Period Calendar screenshot 2
Period Tracker Period Calendar screenshot 3
Period Tracker Period Calendar screenshot 4
Period Tracker Period Calendar screenshot 5
Period Tracker Period Calendar screenshot 6

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized advice, pregnancy tracking, and reminders for birth control and medication. Your data is kept private and stored locally on your device.

What We Love

  • ⭐ Accurate period tracking
  • 📆 Helpful calendar and diary features
  • 🌟 Customizable themes and pets
  • 🔍 Comprehensive symptom and health tracking

Room to Improve

  • 🔍 Unclear symptom definitions
  • 🔔 Intrusive and unskippable ads
  • 🔒 Concerns about data privacy and security
Flo Cycle & Period Tracker#3

Flo Cycle & Period Tracker by FLO HEALTH UK LIMITED

Ovulation & Pregnancy Calendar
Worth Considering
💪 Health & Fitness
4.7😐(1.9M ratings)
FreeIn-App Purchases
#3in 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

More Irregular 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
(400K)
free with in-app purchases
5
Period Tracker - Cycle Log
Period Tracker - Cycle Log
Period Tracker - Cycle Log
by Blas Prieto
Free
💪 Health & Fitness
(0)
6
Cycla AI: PCOS Period Tracker
Cycla AI: PCOS Period Tracker
Cycla AI: PCOS Period Tracker
Endo, Cycle & Ovulation Log
Free

This app is a personalized cycle coach designed for individuals with PCOS, endometriosis, and irregular cycles. It offers an adaptive calendar, a 90-day doctor report, and AI-powered insights to help users understand and manage their health.

Adaptive calendar for PCOS and irregular cycles90-day doctor report generationDaily symptom and mood tracking
💪 Health & Fitness
(4)
free with in-app purchases
7
WAVS: PCOS & Cycle Syncing
WAVS: PCOS & Cycle Syncing
WAVS: PCOS & Cycle Syncing
Fertility Awareness Method
Free

This app offers a private and secure way to track your menstrual cycle and fertility. It supports various conditions like PCOS and endometriosis, providing medical-grade insights and personalized cycle syncing tips based on scientific evidence. All data is stored offline for maximum privacy.

100% offline data storageMedical-grade symptothermal method supportCustom tracking for PCOS, endometriosis, PMDD
💪 Health & Fitness
(19)
paid
8
Flow: Cycle & Period Calendar
Flow: Cycle & Period Calendar
Flow: Cycle & Period Calendar
Fertility Cycle & PMS Calendar
Free

Track your menstrual cycle, predict periods, and monitor fertility with this comprehensive health app. It adapts to your body's unique patterns, offering insights into PMS, ovulation, and hormonal health. Designed for all stages of reproductive life, from teen years to perimenopause.

Period and ovulation predictionSymptom loggingFertility window identification
💪 Health & Fitness
(8)
free
9
PCOS Tracker - Period, Diet
PCOS Tracker - Period, Diet
PCOS Tracker - Period, Diet
Track cycles, symptoms, meds
Free

This app helps you manage PCOS by tracking cycles, symptoms, medications, and daily changes. It offers tools to understand hormonal shifts, food reactions, and skin/hair health, syncing with Apple Health for a comprehensive overview.

Symptom tracking (fatigue, bloating, acne, mood)Cycle tracking (irregular, absent periods)Hormone shift logging
💪 Health & Fitness
(2)
free with in-app purchases
10
Period Calendar: Cycle Tracker
Period Calendar: Cycle Tracker
Period Calendar: Cycle Tracker
Ovulation , Fertile Days & PMS
Free

Track your menstrual cycle, ovulation, and fertile days with a private and intuitive app. It helps predict your next period, plan for pregnancy, and log daily health details like mood and symptoms. Receive timely reminders for important dates and sync with Apple Health.

Menstrual cycle trackingOvulation and fertile day predictionPregnancy planning support
💪 Health & Fitness
(3)
free with in-app purchases
11
Venus Cycle & Period Tracker
Venus Cycle & Period Tracker
Venus Cycle & Period Tracker
Menstrual Calendar for Women
Free
💪 Health & Fitness
(0)
12
MyCycle AI: Period Tracker
MyCycle AI: Period Tracker
MyCycle AI: Period Tracker
Ovulation & Period Calendar
Free

This app helps you track your menstrual cycle, predict ovulation, and understand your body's patterns with AI-powered insights. Log your period, symptoms, and moods for personalized and accurate predictions, whether your cycle is regular or irregular.

Period and cycle trackingOvulation and fertile window predictionsPersonalized cycle insights
💪 Health & Fitness
(1)
subscription
13
Allura - PCOS Period Tracker
Allura - PCOS Period Tracker
Allura - PCOS Period Tracker
Cycle, Ovulation & Nutrition
Free

This app helps individuals with irregular periods and PCOS understand their cycle patterns. It offers tracking for symptoms, moods, and energy levels, along with personalized wellness guidance for eating, moving, and sleeping in sync with your cycle.

Irregular cycle trackingSymptom and mood loggingCycle history and pattern visibility
💪 Health & Fitness
(1)
freemium
14
Eshe: Period & Cycle Tracker
Eshe: Period & Cycle Tracker
Eshe: Period & Cycle Tracker
Menstrual Calendar. Ovulation
Free

Track your menstrual cycle with AI-powered predictions and get personalized health advice. Access expert content, guided meditations, and comprehensive health check-ups to improve your well-being.

Smart period and ovulation trackerAI health assistant for tailored adviceComprehensive health check-ups
💪 Health & Fitness
(5)
freemium
15
Luna: Period & Cycle Tracker
Luna: Period & Cycle Tracker
Luna: Period & Cycle Tracker
Ovulation, Fertility & PMS
Free
💪 Health & Fitness
(0)
16
Estri Period & Cycle Tracker
Estri Period & Cycle Tracker
Estri Period & Cycle Tracker
Ovulation, Fertility & PCOD
Free

This app accurately tracks menstrual cycles, predicting periods, ovulation, and fertile windows. It offers personalized insights for conception, birth control, and overall women's health management. Stay informed and prepared about your body's reproductive patterns.

Cycle and period trackingOvulation and fertility window predictionPregnancy planning mode
💪 Health & Fitness
(2)
free
17
Vela- Period & Cycle Tracker
Vela- Period & Cycle Tracker
Vela- Period & Cycle Tracker
Cycle Flow & Ovulation Tracker
Free
💪 Health & Fitness
(0)
18
Period Tracker Cycle Calendar
Period Tracker Cycle Calendar
Period Tracker Cycle Calendar
Ovulation, Fertility & Private
Free

This app uses AI to predict your menstrual cycle and offers personalized skincare advice based on hormonal changes. It also tracks mood, symptoms, and nutrition, providing insights into your body's patterns. Prioritizing privacy, it requires no account or personal information.

AI-powered period and ovulation predictionsHormonal acne analysis and skincare tipsMood, symptom, and energy level logging
💪 Health & Fitness
(2)
free with in-app purchases
19
Period Tracker & Cycle Diary
Period Tracker & Cycle Diary
Period Tracker & Cycle Diary
Ovulation & Fertility Tracker
Free
💪 Health & Fitness
(0)
20
Pulse: Heart Rate Monitor App
Pulse: Heart Rate Monitor App
Pulse: Heart Rate Monitor App
by Nattapon Kittisuphat
Free

Track your heart rate with this easy-to-use application. It saves your data for progress tracking, displays historical information with time, and provides activity graphs and statistics. Categorize your measurements with beautiful graphics.

Heart Rate MonitoringSave Data for TrackingHistorical Data with Time
💪 Health & Fitness
(4)
free with in-app purchases

FAQ about Irregular Cycles

What are the best irregular cycles apps for iPhone?
Irregular Cycles tops our irregular cycles apps ranking as of June 2026, with a 3.4-star average from 5 App Store ratings, and it's free to download.
Yes — 20 of the top irregular cycles apps we rank are free to download, including Irregular Cycles and Period Tracker Period Calendar.
Irregular Cycles has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 64+ irregular cycles apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Irregular Cycles is a medical app designed to help women with irregular cycles, PCOS, and hormone imbalances track their symptoms, mood, and lifestyle. It also allows users to save photos of ovulation and pregnancy tests.
Irregular Cycles is available on iPhone and iPod devices. It is not currently listed as compatible with Android devices.