Best Ovulation App Monitors

209+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

Natural Cycles Fertility App is the household name in ovulation app monitors, but it's far from the only option. We track 209+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Top Picks for Ovulation App Monitors

Natural Cycles Fertility App#1

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Editor's Choice
๐Ÿ’ช Health & Fitness
4.8๐Ÿ˜Š(29K ratings)
FreeAdsIn-App Purchases
#34in 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

  • ๐Ÿ‘ Teaches users about their cycle
  • ๐Ÿ‘ Helps users understand their body
  • ๐Ÿ‘ Provides a natural contraceptive option
  • ๐Ÿ‘ Accurate in predicting ovulation and periods

Room to Improve

  • ๐Ÿ› Inconsistent in predicting ovulation and periods for some users
  • ๐Ÿ› Thermometer issues (loud, hard to read, no Bluetooth connectivity)
  • ๐Ÿ› Difficult to use for users with irregular cycles or disrupted sleep schedules
Menstrual Calendar FMC#2

Menstrual Calendar FMC by Tamtris Web Services Inc.

Period Tracker, Fertile Days
Strong Contender
๐Ÿ’ช Health & Fitness
4.6๐Ÿ˜Š(190 ratings)
Free
Menstrual Calendar FMC screenshot 1
Menstrual Calendar FMC screenshot 2
Menstrual Calendar FMC screenshot 3
Menstrual Calendar FMC screenshot 4
Menstrual Calendar FMC screenshot 5

This app helps you track your menstrual cycle, predict periods and fertile days, and record wellness data. It offers customizable tracking, discreet notifications, and privacy features for personal cycle management.

What We Love

  • ๐Ÿ‘ Accurate and reliable
  • ๐Ÿš€ Simple and straightforward
  • ๐Ÿ’ก Helpful for tracking fertility and pregnancy
  • ๐Ÿ”’ Password protection for privacy

Room to Improve

  • ๐Ÿ› Occasional crashes and data loss issues
  • ๐Ÿ” Lack of integration with other health apps
  • ๐Ÿ•ฐ๏ธ Inaccurate period predictions for some users
Inito Fertility & Ovulation#3

Inito Fertility & Ovulation by Samplytics Technologies Private Limited

Smartest Ovulation Tracker!
Worth Considering
๐Ÿ’ช Health & Fitness
4.9๐Ÿ˜Š(4.2K ratings)
Free
Inito Fertility & Ovulation screenshot 1
Inito Fertility & Ovulation screenshot 2
Inito Fertility & Ovulation screenshot 3
Inito Fertility & Ovulation screenshot 4
Inito Fertility & Ovulation screenshot 5
Inito Fertility & Ovulation screenshot 6

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.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Accurate tracking
  • ๐Ÿ’ก Provides valuable insights
  • ๐ŸŽ‰ Helped with conception

Room to Improve

  • ๐Ÿ’ฐ Expensive test strips
  • ๐Ÿ•ฐ๏ธ Long testing time
  • ๐Ÿ”Œ Requires phone connection

More Ovulation App Monitors apps to explore

4
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

This app helps women track their menstrual cycles, predict periods and ovulation, and log moods and symptoms. It offers insights into health trends and a supportive community for discussing sexual health.

Period and ovulation predictionMood and symptom loggingHealth data visualization
๐Ÿ’ช Health & Fitness
(114K)
freemium
5
MyFloยฎ Period Tracker Calendar
MyFloยฎ Period Tracker Calendar
MyFloยฎ Period Tracker Calendar
Cycle Syncingยฎ & 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
๐Ÿ’ช Health & Fitness
(14K)
subscription
6
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Period, Fertility & 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
๐Ÿ’ช Health & Fitness
(57K)
free with in-app purchases
7
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
๐Ÿ’ช Health & Fitness
(7.3K)
freemium
8
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free

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.

Period and ovulation trackingFertility and pregnancy supportSymptom and mood logging
๐Ÿ’ช Health & Fitness
(1.9M)
free with in-app purchases
9
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Ovulation & fertility tracker
Free

Understand your menstrual cycle and reproductive health with science-backed tools. Track fertility signs, get data-driven predictions, and connect with a supportive community. Ideal for managing fertility, pregnancy planning, or discussing health with your doctor.

Fertility sign tracking (BBT, cervical mucus, etc.)Data-driven fertility and period predictionsCustomizable data fields
๐Ÿฅ Medical
(9.9K)
freemium
10
Period Tracker: Monthly Cycles
Period Tracker: Monthly Cycles
Period Tracker: Monthly Cycles
Ovulation Calendar, Menstrual
Free

This app helps you track and understand your menstrual cycle, ovulation, and fertility. It offers a beautiful interface with a calendar view, diary for symptoms, and detailed graphs to monitor changes. Plan for pregnancy or avoid it with personalized cycle calculations and health reports.

Menstrual cycle trackingOvulation and fertility calendarSymptom and flow diary
๐Ÿ’ช Health & Fitness
(3.8K)
free with in-app purchases
11
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
๐Ÿ’ช Health & Fitness
(4K)
free
12
Period Tracker ยท
Period Tracker ยท
Period Tracker ยท
Ovulation & Fertility App
Free

Track your menstrual cycles, predict symptoms, and understand your fertility window. This app helps you monitor your health, whether you're trying to conceive, avoid pregnancy, or simply gain insight into your body.

Predict PMS, period, and fertility phasesLog symptoms, mood, and habitsTrack menstrual periods
๐Ÿ’ช Health & Fitness
(3.6K)
freemium
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
๐Ÿ’ช Health & Fitness
(269)
free with in-app purchases
14
iPeriod Period Tracker +
iPeriod Period Tracker +
iPeriod Period Tracker +
Period & Cycle Tracker
$1.99

This app helps women track their menstrual cycles, fertility, and ovulation. It offers personalized insights, smart notifications, and a discreet interface, prioritizing user privacy. It also integrates with Apple Health for a comprehensive wellness overview.

Period and cycle trackingFertility and ovulation predictionsSymptom and mood logging
๐Ÿ’ช Health & Fitness
(2.7K)
subscription
15
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period โ€ข 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
๐Ÿ’ช Health & Fitness
(12K)
free with in-app purchases
16
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
Period & Cycle tracker, Baby
Free

This app assists users throughout their journey to motherhood, from tracking cycles and fertility to monitoring pregnancy and newborn care. It offers daily baby development updates, health tips, and tools for tracking physical changes and baby's milestones.

Menstrual and ovulation calendarFertility symptom trackingDaily baby development updates
๐Ÿฅ Medical
(5.1K)
free with in-app purchases
17
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
๐Ÿ’ช Health & Fitness
(26K)
freemium
18
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
๐Ÿ’ช Health & Fitness
(15K)
freemium
19
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
๐Ÿ’ช Health & Fitness
(70K)
free with in-app purchases
20
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
๐Ÿฅ Medical
(89K)
free with in-app purchases