Best Period Predictor Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Period Tracker Period CalendarPeriod Tracker Period CalendarFree4.9★ (173K)YesYesSep 2026
2Period Tracker ⋆Period Tracker ⋆Free4.7★ (23K)YesNoSep 2026
3Clue Period & Cycle TrackerClue Period & Cycle TrackerFree4.8★ (404K)NoYesSep 2026
4Period Tracker • Ovulation AppPeriod Tracker • Ovulation AppFree4.9★ (134)YesNoSep 2026
5Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (2M)NoYesSep 2026
6My period calendar PinkllamaMy period calendar PinkllamaFree4.8★ (19K)NoYesSep 2026
7Melda Cycle & Period TrackerMelda Cycle & Period TrackerFree4.8★ (318)NoYesSep 2026
8MeetYou - Period TrackerMeetYou - Period TrackerFree4.6★ (15K)NoYesSep 2026

Top Picks for Period Predictor

4.9😊(173K ratings)
FreeAdsIn-App Purchases
#42in 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
  • 🗓️ Reliable period and ovulation predictions
  • 💻 Seamless cross-device sync and backup
  • 🧠 Useful educational content and tips
  • 🤰 Pregnancy and fertility tracking

Room to Improve

  • 🔍 Unclear symptom definitions
  • 🔔 Intrusive and unskippable ads
  • 🔒 Concerns about data privacy and security
  • 🔢 Inaccurate period and ovulation predictions
  • 🔀 Difficulty in adjusting past cycle data
  • 🔍 Limited customization options
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
  • 🆓 Completely free with no ads

Room to Improve

  • 🐛 Inability to manually adjust period dates
  • 🤔 Limited symptom tracking options
  • ⚠️ Inconsistent with irregular cycles
  • 🧭 Difficulty navigating past months
Clue Period & Cycle Tracker#3

Clue Period & Cycle Tracker by BioWink GmbH

Ovulation & Fertility Calendar
Worth Considering
💪 Health & Fitness
4.8😐(404K ratings)
FreeIn-App Purchases
#27in 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
  • 🤖 Customizable tracking options
  • 🧠 Informative educational content
  • 👥 Useful for communicating with doctors

Room to Improve

  • 💰 Paywall for key features
  • 🔍 Difficult to access personal data
  • 🔄 Frequent app updates causing issues
  • 🤯 Overwhelming with too many features
  • 🔒 Concerns about data privacy and security
  • 🕰️ Slow app performance and loading times
  • 🎨 Confusing color scheme and UI changes

More Period Predictor apps to explore

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 September 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 September 2026.
We track 249+ period predictor apps on the iOS App Store as of September 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.