Best Fertility Thermometer Apps

187+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Whether you're new to fertility thermometer or looking for an upgrade, our curated collection of 187+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Fertility Thermometer

Natural Cycles Fertility App#1

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Editor's Choice
💪 Health & Fitness
4.8😊(29K ratings)
FreeAdsIn-App Purchases
#27in Health & Fitness
Natural Cycles Fertility App screenshot 1
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Natural Cycles Fertility App screenshot 6

A highly effective FDA-cleared contraception app that tracks ovulation based on body temperature, offering hormone-free birth control and personalized fertility insights. It adapts to irregular cycles, provides daily fertility status, and supports natural family planning. Sign up for a subscription for a free thermometer and precise cycle monitoring.

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
Kindara: Fertility Tracker#2

Kindara: Fertility Tracker by Kindara, Inc.

Ovulation & fertility tracker
Strong Contender
🏥 Medical
4.7😊(9.9K ratings)
FreeIn-App Purchases
Kindara: Fertility Tracker screenshot 1
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Kindara: Fertility Tracker screenshot 6

Track your menstrual cycle, ovulation, and fertility with our user-friendly app. Stay informed about your reproductive health, record symptoms, and receive personalized insights for better family planning.

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
Body Temperature App For Fever#3

Body Temperature App For Fever by AboutMe Apps, Inc.

Thermometer. Checker. Tracker
Worth Considering
🏥 Medical
4.7😞(22K ratings)
FreeIn-App Purchases
#16in Medical
Body Temperature App For Fever screenshot 1
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Track, log, and monitor your body temperature, symptoms, and medications with ease using this app. Stay proactive about your health by keeping an eye on your well-being and sharing your data with healthcare professionals. Download now for free!

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

More Fertility Thermometer apps to explore

4
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Mira Fertility & Cycle Tracker
Fertility tracking & analysis
Free

A fertility tracking app that uses AI to analyze hormone levels from daily urine tests to predict ovulation with personalized insights for increasing chances of conception. Take control of your fertility journey with precise data and guidance at your fingertips.

💪 Health & Fitness
(2.4K)
5
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period • Fertility Test Reader
Free

Track your fertility and menstrual cycle with ease using our innovative ovulation tracker. Stay informed about your most fertile days and optimize your chances of conception. Download now for a comprehensive approach to family planning.

💪 Health & Fitness
(11K)
6
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Period, Fertility & Pregnancy
Free

Track your menstrual cycle, predict ovulation, and monitor fertility signs with this comprehensive app designed to help you plan or prevent pregnancy. Stay on top of your reproductive health easily and accurately.

💪 Health & Fitness
(56K)
7
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

Track your cycle and monitor fertility effortlessly with this intuitive app. Stay informed about ovulation periods, track your menstrual cycle, and receive personalized predictions. Start optimizing your chances of conception today.

💪 Health & Fitness
(70K)
8
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 all in one place with the most comprehensive app of its kind. Get personalized insights, connect with a supportive community, and improve your chances of getting pregnant. Join millions of women who trust this app - start your journey to motherhood today! Download now.

💪 Health & Fitness
(74K)
9
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Ovulation Cycle & Fertile Days
Free

An advanced ovulation and period tracking app that helps you determine fertile days, track fertility signs, and offers personalized insights, tips, and analysis to aid conception. Enhance your fertility awareness and track your journey seamlessly with this comprehensive fertility friend app.

💪 Health & Fitness
(7.3K)
10
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Smartest Ovulation Tracker!
Free

"Track your fertility, predict ovulation, and monitor your menstrual cycle with ease using this innovative app. Take control of your reproductive health today!"

💪 Health & Fitness
(4K)
11
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Cycles: Period & Cycle Tracker
Fertility & Ovulation App
Free

A menstrual cycle tracking app that helps users monitor their periods, ovulation, and fertility. Keep tabs on your cycle and reproductive health effortlessly.

💪 Health & Fitness
(3.1K)
12
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

Keep track of your menstrual cycle and fertility window with our user-friendly period tracking app. Monitor symptoms, predict ovulation, and stay informed about your reproductive health. Download now to take control of your cycle.

💪 Health & Fitness
(114K)
13
Period Tracker ·
Period Tracker ·
Period Tracker ·
Ovulation & Fertility App
Free

Track your menstrual cycle, ovulation, and fertility with this app. Stay informed about your reproductive health and take control of your well-being.

💪 Health & Fitness
(3.6K)
14
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Fertility, Ovulation, & Period
Free

Track your fertility, menstrual cycle, and overall health with this comprehensive app. Monitor ovulation, record symptoms, and get personalized insights to help optimize your reproductive health. Download now to take control of your fertility journey.

🏥 Medical
(89K)
15
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
IVY Period & Pregnancy Tracker
Health & Cycle Calendar
Free

Track your menstrual cycle, fertility, and overall health with this comprehensive period diary and ovulation tracker app. Stay informed about your body's natural rhythms and make informed decisions. Download now to take control of your health.

💪 Health & Fitness
(18K)
16
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
Ovulation Calculator Fertile Tracker & Calendar OC
by Ovulation Calculator Pty Ltd
Free

Track your menstrual cycle, predict ovulation days, and stay informed about your fertile window with this app. Take control of your reproductive health and plan ahead with ease. Download now to stay on top of your fertility schedule.

🏥 Medical
(5.9K)
17
Proov Fertility & Menopause
Proov Fertility & Menopause
Proov Fertility & Menopause
Test for Fertility & Menopause
Free

Track and monitor your fertility with an innovative app that provides insights and data analysis for a better understanding of your reproductive health. Take control of your fertility journey today!

💪 Health & Fitness
(281)
18
Tempdrop
Tempdrop
Tempdrop
by Tempdrop Inc
Free

Track and analyze fertility patterns with a personalized thermometer that learns temperature variations to predict ovulation. Note: This is a complementary tool and not a stand-alone fertility monitor. The app requires correct and consistent use for optimal performance.

💪 Health & Fitness
(694)
19
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
Period & Cycle tracker, Baby
Free

Stay informed and monitor your pregnancy with our all-in-one app. Track your baby's development, receive personalized tips, and connect with a supportive community of soon-to-be parents. Download now to embark on your pregnancy journey with confidence.

🏥 Medical
(4.9K)
20
Prelude Connect
Prelude Connect
Prelude Connect
Prelude Fertility
Free

Experience personalized fertility management with an all-in-one app that includes an interactive calendar, secure messaging with your care team, 24/7 access to clinical records, and one-touch clinic contact and directions. Take control of your fertility journey with Prelude Connect - download now.

🏥 Medical
(927)