Best Fertility Thermometer Apps

188+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Whether you're new to fertility thermometer or looking for an upgrade, our curated collection of 188+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Fertility Thermometer Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Natural Cycles Fertility AppNatural Cycles Fertility AppFree4.8★ (30K)YesYesJul 2026
2Мониторинг Температуры ТелаМониторинг Температуры ТелаFree4.7★ (22K)NoYesJul 2026
3Kindara: Fertility TrackerKindara: Fertility TrackerFree4.7★ (9.9K)NoYesJul 2026
4Mira Fertility & Cycle TrackerMira Fertility & Cycle TrackerFree4.7★ (2.5K)NoNoJul 2026
5Glow Ovulation & Period AppGlow Ovulation & Period AppFree4.7★ (74K)YesYesJul 2026
6Femometer Женский календарьFemometer Женский календарьFree4.9★ (70K)NoYesJul 2026
7Pregmate Ovulation TrackerPregmate Ovulation TrackerFree4.9★ (12K)NoYesJul 2026
8Овуляция Tracker - PremomОвуляция Tracker - PremomFree4.8★ (58K)NoYesJul 2026

Top Picks for Fertility Thermometer

Natural Cycles Fertility App#1

Natural Cycles Fertility App by NaturalCycles Nordic AB

Fertilité et ovulation
Editor's Choice
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#33in 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
Мониторинг Температуры Тела#2

Мониторинг Температуры Тела by AboutMe Apps, Inc.

Градусник измерить температуру
Strong Contender
🏥 Medical
4.7😞(22K ratings)
FreeIn-App Purchases
#17in Medical
Мониторинг Температуры Тела screenshot 1
Мониторинг Температуры Тела screenshot 2
Мониторинг Температуры Тела screenshot 3
Мониторинг Температуры Тела screenshot 4
Мониторинг Температуры Тела screenshot 5
Мониторинг Температуры Тела screenshot 6

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

What We Love

  • ⭐ Accurate temperature readings
  • 📊 Helpful for tracking health symptoms
  • 🔍 Useful when no thermometer is available

Room to Improve

  • 💰 Subscription-based model
  • 🤔 Misleading claims about temperature measurement
  • 🤖 Inaccurate temperature estimates
Kindara: Fertility Tracker#3

Kindara: Fertility Tracker by Kindara, Inc.

Ovulation & fertility tracker
Worth Considering
🏥 Medical
4.7😊(9.9K ratings)
FreeIn-App Purchases
Kindara: Fertility Tracker screenshot 1
Kindara: Fertility Tracker screenshot 2
Kindara: Fertility Tracker screenshot 3
Kindara: Fertility Tracker screenshot 4
Kindara: Fertility Tracker screenshot 5
Kindara: Fertility Tracker screenshot 6

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.

What We Love

  • 💻 Consistent and effective
  • 🤱 Helped me through many phases
  • 🔍 Accurate for tracking ovulation
  • 📊 Beautifully formatted charts

Room to Improve

  • 🐛 App crashing and freezing
  • 🔒 No customer support or updates
  • 💰 Expensive premium subscription

More Fertility Thermometer apps to explore

4
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
5
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
6
Femometer Женский календарь
Femometer Женский календарь
Femometer Женский календарь
Менструация и беременность
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
7
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
8
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
9
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
10
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
11
Prelude Connect
Prelude Connect
Prelude Connect
Prelude Fertility
Free

Manage your fertility journey with this app, offering an interactive calendar, direct messaging with your care team, and 24/7 access to your account. Track medications, appointments, and receive important notifications to stay on course.

Interactive fertility calendarCare team messaging24/7 account portal access
🏥 Medical
(928)
free
12
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
💪 Health & Fitness
(114K)
freemium
13
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
14
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
15
Proov Fertility & Menopause
Proov Fertility & Menopause
Proov Fertility & Menopause
Test for Fertility & Menopause
Free

This app transforms your phone into a hormone monitor when paired with test kits. It provides detailed cycle insights, ovulation scores, and personalized solutions to understand fertility and promote cycle health. It helps track hormones for conception or general cycle health.

Hormone data-based cycle insightsFertile window and ovulation confirmationPersonalized testing plans
💪 Health & Fitness
(283)
free
16
Carrot Fertility
Carrot Fertility
Carrot Fertility
Global Fertility
Free

Access comprehensive fertility and family-forming benefits through your employer. Get personalized guidance, find trusted providers, and utilize exclusive discounts for various family-building paths.

Personalized fertility guidanceProvider network accessExclusive discounts
🏥 Medical
(18)
free
17
Tempdrop
Tempdrop
Tempdrop
by Tempdrop Inc
Free

This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.

Basal body temperature trackingOvulation pinpointingMenstrual cycle prediction
💪 Health & Fitness
(705)
free with in-app purchases
18
Period Tracker ·
Period Tracker ·
Period Tracker ·
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
💪 Health & Fitness
(3.6K)
freemium
19
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
Health & Cycle Calendar
Free

Track your menstrual cycle, ovulation, and pregnancy with advanced AI and expert insights. This app offers secure data storage, personalized health recommendations, and detailed reporting for informed reproductive health decisions.

Period and cycle trackingOvulation and fertile window predictionPregnancy and postpartum support
💪 Health & Fitness
(68K)
free with in-app purchases
20
PeakDay Fertility Tracker App
PeakDay Fertility Tracker App
PeakDay Fertility Tracker App
Period and Pregnancy Calendar
Free

This app helps track menstrual cycles and fertility signs to predict ovulation and peak fertility days. It supports natural family planning and offers community support and educational resources for enhanced fertility awareness.

Period and ovulation chartingNatural family planning supportSympto-Thermal method compatibility
💪 Health & Fitness
(25)
free with in-app purchases

FAQ about Fertility Thermometer

What are the best fertility thermometer apps for iPhone?
Natural Cycles Fertility App tops our fertility thermometer apps ranking as of July 2026, with a 4.8-star average from 30K App Store ratings, and it's free to download.
Yes — 20 of the top fertility thermometer apps we rank are free to download, including Natural Cycles Fertility App and Мониторинг Температуры Тела.
Natural Cycles Fertility App shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 188+ fertility thermometer apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The app uses your body temperature to track ovulation, helping you identify fertile days for preventing or planning pregnancy. It offers a hormone-free contraception method and provides insights into different stages of your reproductive health, including postpartum and perimenopause.
The app is scientifically proven to be 93% effective with typical use and 98% effective with perfect use. It's important to note that no birth control method is 100% effective, and it does not protect against STIs.