Comparison

Femometer Fertility Tracker vs Premom

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Femometer Fertility Tracker

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.

Highlights
  • Period and PMS tracking
  • Ovulation and fertile window prediction
  • Basal Body Temperature (BBT) charting
  • Cervical Mucus (CM) logging
  • Pregnancy test result recording
  • Fertility insights and conception guidance
  • Pregnancy journey tracking
Features
Read full description

Take control of your unique menstrual cycle with Femometer, the smartest ovulation & fertility tracker for those who need to track their periods or try to conceive. We believe to know your body, is to own your life. Femometer is a smart PMS tracker, period and fertility calculator that records your unique cycle to accurately predict your ovulating days and menstruation, boosting your conception rate up to 150%. Femometer is a professional menstrual period and fertility tracker, providing data and insights for women controlling their health. Record your pregnancy test results such as LH and HCG tests. Daily reminder for ovulation calendar and fertile window created by machine learning algorithms that learn from your data. All data can be exported into PDF files for professionals. Record prenatal tests, BBT, weight for a mother-to-be, and your growing baby’s details so we can accompany you every step in your pregnancy journey. Let's get healthier & fitter! Period Calendar, Ovulation Tracker - Record your PMS, flow intensity, and current and past period dates, and ‘my menstrual cycle calendar’ will be generated automatically to predict your next period even if it’s irregular. - Record BBT (basal body temperature), ovulation tests, and CM (cervical mucus). Ease-and-fast records for you to log your test results. - Log 200+ symptoms, from fertility to lifestyle and women’s health - Set up cycle calendar reminders for your periods, PMS, ovulation, fertile days, and BBT. Fertility Calendar & Graphs & Curves - Check your fertility calendar, easily track your menstrual cycle phases and predict your ovulation, and manage your fertility window. - Auto-generated BBT curves and LH curves based on your recorded data. Easily recognize the different phases of your cycle and spot subtle differences and capture your peak results to conceive or predict your next period. - Optimize curves with machine-learned algorithms to complete missing data Fertility Insights - Current & Previous Menstrual Cycle Interpretation: Analysis of BBT curves, ovulation test, pregnancy test, PMS and ovulation symptoms. Track ovulation and reveal the conception rate to manage ovulation and fertility with precision. - Conception & Pregnancy Prediction: Receive daily conception guidance and get pregnant easily and spot pregnancy early. - Behavioral Scoring: Efficient tracking behavior leads to accurate ovulation prediction, increasing the chances of pregnancy, and effectively managing fertility - Statistics Analysis: Reveals the patterns of your cycle symptoms, compares and analyzes data in multiple ways, gains better insights into your ovulation and fertility. - Scientific and structured fertility courses: Courses and articles from professionals to help you raise your fertility awareness. The medical information on the Femometer Period Tracker App is provided as an educational resource only and is not a substitute for professional advice, diagnosis, and treatment. The company does not guarantee the accuracy, completeness, or usefulness of any content, whether provided by us or by the third party. Always seek the advice of a physician before making any healthcare decisions. Subscription Policy - Plans: $9.99 Monthly, $19.99 Quarterly, $49.99 Yearly - Payment: Payment will be charged to your Apple account on confirmation of purchase - Cancellation: Manage at your Apple Account Settings - Renewal: The account will be charged for renewal 24 hours before the end of the current period - Femometer Period Tracker App Privacy: https://www.femometer.com/en/policy/appPrivacyPolicy - Femometer Period Tracker App Service: https://s.femometer.com/miscs/femometer-app/en/service.html The Femometer Period Tracker integrates with Apple Health App so you can sync your data (requires iOS 9 and above). Femometer supports Face ID for security.

About

Premom

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.

Highlights
  • Ovulation test scanning and LH level quantification
  • Automatic BBT thermometer syncing and charting
  • Period and cycle logging with symptom tracking
  • Pregnancy mode with due date calculation and tips
  • PCOS AI for interpreting cycle trends
  • Partner invitation for shared updates and insights
  • Virtual consultations with fertility experts
Features
Read full description

Join over 1.5 million women who have gotten pregnant while using Premom, your all-in-one period tracker and ovulation app.* How does Premom accurately track my ovulation? Developed by the trusted Easy@Home brand, Premom’s smart algorithms analyze your cycle and ovulation tests to predict your fertile window with precision. How can Premom support my TTC journey? With FastPass™ to Pregnancy, get expert guidance and personalized education designed to help you conceive faster. Whether you’re tracking your period or trying to conceive, Premom provides the tools—like our digital ovulation test reader and automatic basal body temperature (BBT) charting—to remove the guesswork from your fertility journey. Why is my menstrual cycle irregular and what do these symptoms mean for my fertility? Take a Self-Assessment to explore your cycle patterns and get tips to support your cycle health and chances of getting pregnant. I have PCOS, how can I find my fertile window? Premom’s PCOS AI interprets BBT and OPK trends to spot fertile signs, while our specialized nutrition plan supports your metabolic health. Because it takes two, invite your partner to Predad™. Link their account to see your cycle or pregnancy updates, receive fertility insights, and get key ovulation reminders. Upgrade to Premom Premium for advanced cycle reports, personalized content, enhanced pregnancy tracking, and webinars with fertility experts. Premium members saw pregnancy rates up to 229% higher than non-members!** OVULATION CALCULATOR & FERTILITY TRACKER • Scan your ovulation tests and quantify your LH levels to know when you will likely ovulate. Know your chances of pregnancy with easy fertility readings of low, high, and peak. • Our smart BBT thermometer auto syncs and charts your temps next to other signs of fertility • Sync with Apple Health app to export or import BBT or wrist-temperature data PREGNANCY TRACKER How does Premom support my pregnancy by week? Monitor your baby’s growth and know what to expect with Premom Pregnancy Mode: • Calculate your due date • Get daily tips to manage symptoms and prepare for childbirth • Enjoy a personalized, smoother pregnancy journey CYCLE & PERIOD CALENDAR • Easy period logging calendar that adjusts based on your ovulation test and BBT data • Keep track of 50+ PMS, mood swings, and other symptoms to monitor hormonal changes throughout your cycle LEARN FROM HEALTH EXPERTS • Schedule a virtual consultation with experts to help interpret your chart and cycle tracking from home • Optimize your cycle with physician-designed reports • Export your cycle data to share with your doctor SUPPORTIVE COMMUNITY • Ask questions and search for advice from preconception through pregnancy. Share your fertility tests and BBT charts to receive support from thousands of women. SUBSCRIPTION INFORMATION Premom offers a subscription service (“Premium”) that provides you with a more personalized experience, physician-designed cycle insights and expert services. • Payment will be charged to your iTunes account after payment confirmation • Subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current billing cycle • Your iTunes account will be charged for renewal within 24 hours of the end of the current billing cycle • Subscriptions can be managed and auto-renewal may be turned off by going to your Account Settings after purchase For more info, visit: https://support.apple.com/en-us/HT202039 Guarantee: https://premom.com/money-back-guarantee Privacy Policy: https://premom.com/privacy-policy Terms of Service: https://premom.com/terms-of-service Questions? Email support@premom.com *Over 1.5 million users logged pregnancy or positive pregnancy test results while using Premom app **Based on internal analytical studies of 1.73 million users registered for 6 months

Screenshots

Femometer Fertility Tracker4 screens
Premom4 screens

Verdict

The call

The clearest difference is chart position: Premom at #53 against Femometer Fertility Tracker's unranked. Premom also leads on review sentiment (74% vs 65%) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Femometer Fertility Tracker sells 10 in-app purchases, starting at $6.99 per 7 days and Premom sells 11 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Femometer Fertility Tracker against 4.8 for Premom. Both are backed by a comparable volume of ratings — 70K and 60K respectively. Written reviews are what separate them: 65% of Femometer Fertility Tracker's written reviews are positive against 74% of Premom's.

UpkeepUpdate frequency

Femometer Fertility Tracker ships an update every 2 weeks, Premom weekly. Both last shipped on September 24, 2026.

Scorecard3 real differences · 8 level
Femometer Fertility Tracker versus Premom: the parameters behind the verdict, then further details
ParameterFemometer Fertility TrackerPremom
PriceFreeFree
Rating4.9 (70K ratings) — better4.8 (60K ratings)
Positive reviews65.3% of reviews74.2% of reviews — better
Number of ratings70K — better60K
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#53 — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size253 MB269 MB
Age rating12+12+
DeveloperBongmi Global GroupEasy Healthcare Corporation

Customer experience

Femometer Fertility Tracker

All ratings70,423 ratings
Positive97.7%
Neutral1.0%
Negative1.3%
Written reviews516 reviews
Positive65.3%
Neutral6.4%
Negative28.3%

Premom

All ratings59,778 ratings
Positive95.0%
Neutral2.1%
Negative2.9%
Written reviews1,480 reviews
Positive74.2%
Neutral6.1%
Negative19.7%

User reviews

Femometer Fertility Tracker

From 70K App Store ratings

What we love

  • 🚀 Reliable and accurate predictions
  • 👍 Customizable and helpful features
  • 💡 Intelligent LH test recognition
  • 👍 Great for tracking cycles and ovulation

Room to improve

  • 🐛 Syncing and connectivity issues
  • 🔍 Limited fertility factor tracking
  • 💬 Overwhelming community discussions
  • 💰 Paywall for key features

Premom

From 60K App Store ratings

What we love

  • 🚀 Accurate ovulation tracking
  • 👍 Easy to use app
  • 💡 Helpful community support
  • 🚀 Affordable ovulation tests
  • 👍 Detailed cycle analysis

Room to improve

  • 🐛 Inconsistent data tracking
  • 🐛 Frequent app crashes
  • 🐛 Inaccurate ovulation predictions
  • 🔒 Privacy concerns with data sharing
  • 🔋 Drains battery quickly

Bugs and requests

Femometer Fertility Tracker

Reported bugs

4 issues
  • App crashes and data loss
  • Inaccurate ovulation predictions
  • Login and account issues
  • Deleted user history

Requested features

4 requests
  • Option to hide community feed
  • Improved data export and backup
  • Tracking for rare pregnancy conditions
  • More skin tone options for pregnancy tracking

Premom

Reported bugs

3 issues
  • Inability to log miscarriage data
  • Syncing issues with Bluetooth thermometers
  • Ovulation test results not accurately detected

Requested features

4 requests
  • Ability to edit past data entries
  • Option to switch between Celsius and Fahrenheit
  • More customization options for the calendar view
  • Enhanced data export capabilities

In-app purchases

10 purchases

Femometer Fertility Tracker

Subscriptions10
  • Femometer Prime3 Days trial$6.997 Days
  • Femometer Ovulation Calculator7 Days trial$9.991 Month
  • Femometer Prime$9.991 Month
Show 7 more
  • Femometer Prime7 Days trial$11.991 Month
  • Femometer Prime7 Days trial$16.993 Months
  • Femometer Prime7 Days trial$19.993 Months
  • Femometer Period Tracker Pro7 Days trial$19.993 Months
  • Advanced Fertility Insights$29.991 Year
  • Femometer Prime7 Days trial$49.991 Year
  • Femometer Prime1 Month trial$49.991 Year
11 purchases

Premom

Subscriptions11
  • Premium (US)$9.991 Month
  • Premium (US)$20.493 Months
  • Premium$20.493 Months
Show 8 more
  • Premom Fertility Tracker$23.493 Months
  • Premium (US)$26.993 Months
  • Premium$28.496 Months
  • Premom$35.996 Months
  • Premium (UK)$35.996 Months
  • Premium7 Days trial$37.996 Months
  • Premium$37.996 Months
  • Premium6 Months trial4 variants$37.996 Months

Questions

Is Femometer Fertility Tracker free?
Femometer Fertility Tracker is free to download, with in-app purchases available.
Is Premom free?
Premom is free to download, with in-app purchases available.
Which has better reviews, Femometer Fertility Tracker or Premom?
Femometer Fertility Tracker is rated higher. Femometer Fertility Tracker averages 4.9 out of 5 from 70K ratings, while Premom averages 4.8 from 60K ratings.
Do Femometer Fertility Tracker or Premom have ads?
Neither Femometer Fertility Tracker nor Premom shows ads.
Which is updated more often, Femometer Fertility Tracker or Premom?
Femometer Fertility Tracker ships an update every 2 weeks, and Premom weekly. Most recently, Femometer Fertility Tracker was updated on September 24, 2026 and Premom on September 24, 2026.

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