Best I Ovulus Apps

187+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated July 2026

Finding the right i ovulus apps can be overwhelming with so many options. We've analyzed 187+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top I Ovulus Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1GrowlerZ iOvilusGrowlerZ iOvilusFree3.8★ (9)NoYesJul 2026
2Paranormal PuckParanormal PuckFree2.4★ (44)NoNoJul 2026
3Natural Cycles Fertility AppNatural Cycles Fertility AppFree4.8★ (30K)YesYesJul 2026
4Овуляция Tracker - PremomОвуляция Tracker - PremomFree4.8★ (58K)NoYesJul 2026
5Pregmate Ovulation TrackerPregmate Ovulation TrackerFree4.9★ (12K)NoYesJul 2026
6Fertility Friend FF TrackerFertility Friend FF TrackerFree4.8★ (7.3K)NoYesJul 2026
7Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (74K)YesYesJul 2026
8MyFlo® Period Tracker CalendarMyFlo® Period Tracker CalendarFree4.4★ (14K)NoYesJul 2026

Top Picks for I Ovulus

GrowlerZ iOvilus#1

GrowlerZ iOvilus by STEPHEN JAMES LEWIS

Sensor-Driven Investigation
Editor's Choice
🎬 Entertainment
3.8(9 ratings)
FreeIn-App Purchases
GrowlerZ iOvilus screenshot 1
GrowlerZ iOvilus screenshot 2
GrowlerZ iOvilus screenshot 3
GrowlerZ iOvilus screenshot 4
GrowlerZ iOvilus screenshot 5
GrowlerZ iOvilus screenshot 6

This entertainment app uses your device's sensors to generate dynamic words and responses based on environmental input. It features a neon-styled interface, adjustable sensitivity, and multiple experimental modes for exploring sensor data patterns.

Paranormal Puck#2

Paranormal Puck by Ghost Stop LLC

Strong Contender
🔧 Utilities
2.4😞(44 ratings)
Free
Paranormal Puck screenshot 1
Paranormal Puck screenshot 2
Paranormal Puck screenshot 3
Paranormal Puck screenshot 4
Paranormal Puck screenshot 5

This application interfaces with a physical device to read and log 21 sensor inputs. It provides real-time data visualization and includes an ITC communication feature for experimentation. Log functions are accessible without the physical device connected.

What We Love

  • 🚀 Works with Paranormal Puck 2 device
  • 💡 Provides environmental data and spirit detection

Room to Improve

  • 🐛 Many features not functioning or disabled
  • 🔒 Requires purchase of expensive Paranormal Puck 2 device
  • 🤔 Unclear how to properly use the app
Natural Cycles Fertility App#3

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Worth Considering
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#29in 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

More I Ovulus 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
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period • Fertility Test Reader
Free

Easily track ovulation, predict fertile days, and understand your cycle. Scan test strips with your phone's camera for automatic analysis. Get personalized insights and reminders to maximize your chances of conception.

Accurate ovulation predictionsTest strip reader with auto-detectionPersonalized fertility window tracking
💪 Health & Fitness
(12K)
free with in-app purchases
6
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
7
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
(74K)
freemium
8
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
9
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
by Ovulation Calculator Pty Ltd
Free

This app helps users identify their most fertile days to increase the chances of conception. It analyzes personal cycle data, offers fertility knowledge, and provides access to a supportive community.

Cycle Data Analysis PredictionsOvulation CalculatorFertile Window Viewer
🏥 Medical
(5.9K)
free
10
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
11
Trying to conceive Tracker app
Trying to conceive Tracker app
Trying to conceive Tracker app
Period calendar — Get pregnant
Free

This app helps users track their menstrual cycle, ovulation, and related symptoms. It provides data-driven predictions to assist those trying to conceive.

Ovulation calculator and calendarCustomizable period and health trackerSymptom and mood tracking
🏥 Medical
(1.6K)
free with in-app purchases
12
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
(89K)
free with in-app purchases
13
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
14
MyDays X
MyDays X
MyDays X
Period & Ovulation Calendar
Free

This app helps women track their menstrual cycles, predict fertile days, and monitor various health symptoms. It offers intelligent notifications, a community chat, and detailed tracking options for a comprehensive overview of reproductive health.

Period and ovulation predictionFertile day trackingSymptom and mood logging
🌟 Lifestyle
(691)
free with in-app purchases
15
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
16
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
17
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
18
Eve Rhythm: Cycle & Fertility
Eve Rhythm: Cycle & Fertility
Eve Rhythm: Cycle & Fertility
Christian Period Tracker
Free

This app helps Christian women understand their fertility through scripture, prayer, and phase-based wisdom. It offers daily verses, devotional logs, and shared rhythms for couples, focusing on natural family planning principles.

Cycle phase trackingDaily scripture and prayerDevotional day logging
💪 Health & Fitness
(218)
subscription
19
Ovulation & Fertility Tracker
Ovulation & Fertility Tracker
Ovulation & Fertility Tracker
Track Menstrual Period & Cycle
Free

This app helps users track their menstrual cycles, predict ovulation dates, and identify fertile windows to increase chances of conception. It offers a user-friendly interface to input cycle details and provides reminders for periods and ovulation.

Ovulation calendarFertility predictionPeriod and ovulation reminders
💪 Health & Fitness
(2.7K)
subscription
20
Clearblue Period Cycle Tracker
Clearblue Period Cycle Tracker
Clearblue Period Cycle Tracker
Clearblue Ovulation Tests
Free

This app helps women track their menstrual cycles, predict fertile days, and log symptoms. It works with specific ovulation and pregnancy tests to provide insights and aid in trying to conceive.

Period predictionFertility window identificationSymptom logging and pattern analysis
🏥 Medical
(54)
free

FAQ about I Ovulus

What are the best i ovulus apps for iPhone?
GrowlerZ iOvilus tops our i ovulus apps ranking as of July 2026, with a 3.8-star average from 9 App Store ratings, and it's free to download.
Yes — 20 of the top i ovulus apps we rank are free to download, including GrowlerZ iOvilus and Paranormal Puck.
GrowlerZ iOvilus has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 187+ i ovulus apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
GrowlerZ iOvilus is an entertainment app that uses your device's sensors, like the magnetometer and accelerometer, to generate dynamic words and responses. It's designed for personal curiosity and exploring sensor data patterns.
No, GrowlerZ iOvilus is intended for entertainment purposes only. It does not claim to provide scientific or verified paranormal communication. The app uses sensor data to create responses for user enjoyment.

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