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Best Period Predictor Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Finding the right period predictor apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Period Predictor Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (173K)YesYesAug 2026
2Period Tracker ⋆Period Tracker ⋆Free4.7★ (23K)YesNoAug 2026
3Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)NoYesAug 2026
4Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (402K)NoYesAug 2026
5My period calendar PinkllamaMy period calendar PinkllamaFree4.8★ (19K)NoYesAug 2026
6My Cycle ؜My Cycle ؜Free4.8★ (93K)NoNoAug 2026
7Lively - Period Tracker, CycleLively - Period Tracker, CycleFree4.8★ (49K)NoYesAug 2026
8Period Tracker • Ovulation AppPeriod Tracker • Ovulation AppFree4.9★ (134)YesNoAug 2026

Top Picks for Period Predictor

Period Tracker Period Calendar#1

Period Tracker Period Calendar by ABISHKKING LIMITED.

Cycle Tracker & Ovulation
Editor's Choice
💪 Health & Fitness
4.9😊(173K ratings)
FreeAdsIn-App Purchases
#40in 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
Period Tracker ⋆#2

Period Tracker ⋆ by LUCKY LABS LP

Period and Ovulation Tracker
Strong Contender
💪 Health & Fitness
4.7😊(23K ratings)
FreeAdsIn-App Purchases
Period Tracker ⋆ screenshot 1
Period Tracker ⋆ screenshot 2
Period Tracker ⋆ screenshot 3

This app helps you track your menstrual cycle, predict periods, and monitor ovulation. Log symptoms, moods, and intimate life for personalized insights and receive timely reminders. It offers customizable tracking for irregular cycles and provides fertility period notifications.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Accurate period predictions
  • 💎 Helpful for tracking cycles
  • 🎨 Beautiful and intuitive design

Room to Improve

  • 🐛 Inability to manually adjust period dates
  • 🤔 Limited symptom tracking options
  • ⚠️ Inconsistent with irregular cycles
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
#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

More Period Predictor 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
My period calendar Pinkllama
My period calendar Pinkllama
My period calendar Pinkllama
Period tracker for teens
Free

This app helps users track their menstrual cycles, predict periods, ovulation, and fertility windows. It allows logging of symptoms and moods, offers health tips, and provides reminders for pills and upcoming cycles. Privacy is a key focus, with no sign-up required and data stored locally.

Period and cycle tracking12-month smart predictionsLog 80+ symptoms and moods
💪 Health & Fitness
(19K)
free with in-app purchases
6
My Cycle ؜
My Cycle ؜
My Cycle ؜
Ovulation & Period Tracker
Free

Easily track your menstrual cycles and ovulation dates. Get timely reminders for your next period and identify your most fertile days for conception. This app also serves as a personal journal to log symptoms, mood changes, and other important events.

Period trackingOvulation predictionFertility window identification
💪 Health & Fitness
(93K)
free
7
Lively - Period Tracker, Cycle
Lively - Period Tracker, Cycle
Lively - Period Tracker, Cycle
Ovulation & Pregnancy Calendar
Free

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.

Personalized daily tips by cycle phaseNutrition and sports guidanceSelf-care recommendations
💪 Health & Fitness
(49K)
free with in-app purchases
8
Period Tracker • Ovulation App
Period Tracker • Ovulation App
Period Tracker • Ovulation App
My Calendar: Cycle & Fertility
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It offers customizable themes, data privacy features, and insights into PMS symptoms and overall wellness. Plan your life with accurate predictions and a secure, personalized experience.

Period and ovulation predictionFertile window trackingPMS symptom logging
💪 Health & Fitness
(134)
free with in-app purchases
9
MeetYou - Period Tracker
MeetYou - Period Tracker
MeetYou - Period Tracker
Cycle, ovulation & pregnancy
Free

This women's health app helps you track your menstrual cycle, predict ovulation, and monitor your physiological status. It offers modes for pregnancy preparation and parenting, providing relevant knowledge and health recommendations. The more you record, the more accurate its AI-driven predictions become.

AI-powered period predictionOvulation trackingPregnancy preparation mode
💪 Health & Fitness
(15K)
freemium
10
FLO EV Charging
FLO EV Charging
FLO EV Charging
EV Charging Made Easy
Free

Discover and use charging stations on a major North American network. Manage your charging, track usage, and schedule home charging to save money. Access partner networks and multiple payment options.

Locate charging stations with real-time availabilityAccess partner charging networksLoad funds via credit card or Apple Pay
🗺️ Navigation
(5K)
free with in-app purchases
11
Menstrual Cycle Tracker
Menstrual Cycle Tracker
Menstrual Cycle Tracker
Ovulation Fertility Calculator
Free

This app helps you understand your menstrual cycle and fertility window. It predicts your period, ovulation, and fertile days using scientifically backed methods. Syncs with Apple Health for seamless data management.

Period predictionOvulation day calculationFertile window identification
🏥 Medical
(2.6K)
free with in-app purchases
12
Period Tracker by GP Apps
Period Tracker by GP Apps
Period Tracker by GP Apps
Women’s Health Diary
Free

Easily track your menstrual cycles, predict future periods, and monitor fertility. Log symptoms, moods, and weight with detailed charts and customizable notes. Includes advanced modes for trying to conceive and pregnancy tracking, with privacy features and data backup.

Period cycle tracking and predictionFertility and ovulation trackingSymptom and mood logging
💪 Health & Fitness
(74K)
freemium
13
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
14
Period Tracker ‎
Period Tracker ‎
Period Tracker ‎
Menstrual Cycle Tracker
Free

This app helps you discreetly track your menstrual cycle, daily moods, health symptoms, and more. It offers predictions for your period and fertile days, allowing for better planning. Customize your experience with various themes and icons, and connect with a community for support.

Track periods, moods, symptoms, and weightPredict upcoming periods and fertile daysCustomizable themes, fonts, and icons
💪 Health & Fitness
(8.3K)
free with in-app purchases
15
PeachDay - Period Tracker
PeachDay - Period Tracker
PeachDay - Period Tracker
by MKIT
Free
💪 Health & Fitness
(0)
16
Glow Ovulation & Period App
Glow Ovulation & Period App
Glow Ovulation & Period App
FDA Listed Fertility Tracker
Free

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.

Menstrual cycle trackingOvulation predictionFertility sign tracking
💪 Health & Fitness
(75K)
freemium
17
Simply Track: Period Tracker
Simply Track: Period Tracker
Simply Track: Period Tracker
Cycle,Menstruation & Ovulation
Free
💪 Health & Fitness
(0)
18
Period and Ovulation Tracker
Period and Ovulation Tracker
Period and Ovulation Tracker
Cycle & Fertility Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and manage fertility. It provides notifications for upcoming periods and contraceptive pills, along with a notepad for recording symptoms and early pregnancy signs.

Track menstrual cyclesPredict ovulation and fertility windowsReceive period and pill reminders
💪 Health & Fitness
(3)
subscription
19
Ebb Period & Cycle Tracker
Ebb Period & Cycle Tracker
Ebb Period & Cycle Tracker
Honest period predictions
Free
💪 Health & Fitness
(0)
20
Pemsi: Period & Cycle Tracker
Pemsi: Period & Cycle Tracker
Pemsi: Period & Cycle Tracker
Ovulation, fertility, AI Coach
Free
💪 Health & Fitness
(0)

FAQ about Period Predictor

What are the best period predictor apps for iPhone?
Period Tracker Period Calendar tops our period predictor apps ranking as of August 2026, with a 4.9-star average from 173K App Store ratings, and it's free to download.
Yes — 20 of the top period predictor apps we rank are free to download, including Period Tracker Period Calendar and Period Tracker ⋆.
Period Tracker Period Calendar shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ period predictor apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a comprehensive tracker for menstrual cycles, ovulation, and pregnancy. It provides accurate predictions for period start and end dates, helps identify fertile windows, and offers week-by-week pregnancy development tracking. It also includes reminders for birth control and medications, symptom logging, and personalized health advice.
The app prioritizes user privacy by not requiring an account and keeping all data 100% on the user's device. Data is never uploaded or shared with third parties. Users can delete all their data with a single tap, ensuring full privacy protection.