Comparison

FEMM Period Ovulation Tracker vs Eternize

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

Head to head
About

FEMM Period Ovulation Tracker

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.

Highlights
  • Cycle and period tracking
  • Symptom logging (physical & emotional)
  • Daily data input reminders
  • Cycle pattern charts
  • Medication tracking
  • Shareable health charts
  • Hormone knowledge base
Features
Read full description

Are you looking to track your menstrual cycles and symptoms, get pregnant or avoid pregnancy? The FEMM app is more than just a period tracker: it provides you with cutting edge science that helps you keep track of your health, understand what is going on with your body, flag potential issues and connect with a network of doctors and nurses to provide you the best health care. We’re a new revolution in women’s health! Empower yourself and be an active player in your health care with our easy to use app! FEATURES * Easy data input to track your cycle or period. * Track physical and emotional symptoms to better diagnose potential health problems. * Daily reminder. Never forget to input your data through our app's notification feature. * View several Charts on a screen to help you understand your patterns. * Track medications you are currently taking. * Email and/or print your charts to share with your doctor, friends or family * Various view styles let you see and interpret your cycles better: calendar view, chart view and the detailed chart view, which let you see your symptoms. * Understand your health and the interplay of hormones in your body through our knowledge base. CONTACT OUR TEAM TO HELP YOU FIND: * a FEMM-trained doctor or FEMM health center near you * a FEMM teacher who can teach you how to chart and understand the interplay of hormones in your body

About

Eternize

This app helps you stay present and spiritually grounded amidst daily distractions. It offers subtle reminders and community features to foster intentional living and personal growth.

Highlights
  • Effortless cross setup
  • Personalized reminder customization
  • Subtle vibration prompts
  • Community prayer sharing
  • Focus on intentional living
Features
Read full description

Rediscover Intentional Living with Eternize. In a world overwhelmed by distractions, Eternize helps you stay present, purposeful, and spiritually grounded. Features You'll Love: * Effortless Setup: Connect your cross in under two minutes, customize your preferences, and start your journey to intentional living * Personalized Experience: Customize the intensity, pattern, and timing of your reminders to keep you present for life’s most critical moments. * Subtle Reminders: Gentle vibrations prompt you to pause, pray, or simply recenter. * Community Connection: Send and receive prayers, offering encouragement and support to others, even from afar. Why Eternize? We understand the frustration of being pulled off course by endless distractions. That’s why Eternize is designed as a simple, single-purpose solution: to bring you back to what matters most. Join a growing community of individuals striving for intentionality and spiritual growth: “Eternize has transformed my prayer life, helping me be present and more aware of God’s hand in my daily moments.” – Sam T. “This cross allows me to send prayers and love to others in a way I never imagined possible.” – Jason G. Your Path to Presence: 1. Download the app 2. Connect your cross 3. Recenter and win the moment Don’t let the noise of daily life steal your moments. With Eternize, you can finally break free, reclaim your focus, and lead a life defined by presence and purpose. Start your journey today

Screenshots

FEMM Period Ovulation Tracker4 screens
Eternize4 screens

Verdict

The call

The clearest difference is review sentiment: Eternize at 100% against FEMM Period Ovulation Tracker's 65%. Eternize also leads on update cadence (monthly vs every 4 months) and rating (5.0 vs 4.8). FEMM Period Ovulation Tracker's advantage is ratings volume (4.1K vs 14). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Eternize holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: FEMM Period Ovulation Tracker has 4.1K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 65% of FEMM Period Ovulation Tracker's written reviews are positive against 100% of Eternize's.

UpkeepUpdate frequency

FEMM Period Ovulation Tracker ships an update every 4 months, Eternize monthly. The most recent releases landed on October 26, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
FEMM Period Ovulation Tracker versus Eternize: the parameters behind the verdict, then further details
ParameterFEMM Period Ovulation TrackerEternize
PriceFreeFree
Rating4.8 (4.1K ratings)5.0 (14 ratings) — better
Positive reviews65.3% of reviews100.0% of reviews — better
Number of ratings4.1K — better14
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better16.2
Further details — not scored
Size27 MB60 MB
Age rating4+4+
DeveloperFEMM FoundationEternize

Customer experience

FEMM Period Ovulation Tracker

All ratings4,134 ratings
Positive95.3%
Neutral2.1%
Negative2.6%
Written reviews245 reviews
Positive65.3%
Neutral13.1%
Negative21.6%

Eternize

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

FEMM Period Ovulation Tracker

Reported bugs

4 issues
  • App crashes on opening after iOS updates
  • Date/cycle tracking gets mixed up or stuck
  • Symptom/observation data not saving properly
  • Analysis/charting features not functioning as expected

Requested features

6 requests
  • Add option to track seminal fluid observations
  • Integrate with Apple Health for seamless data sync
  • Expand mood/emotion tracking options
  • Improve date/cycle navigation and data entry
  • Provide better postpartum/breastfeeding support
Show 1 more
  • Offer calendar view in addition to chart view

Eternize

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

FEMM Period Ovulation Tracker

No in-app purchases

None

Eternize

No in-app purchases

Questions

Is FEMM Period Ovulation Tracker free?
FEMM Period Ovulation Tracker is free to download, with no in-app purchases.
Is Eternize free?
Eternize is free to download, with no in-app purchases.
Which has better reviews, FEMM Period Ovulation Tracker or Eternize?
Eternize is rated higher. FEMM Period Ovulation Tracker averages 4.8 out of 5 from 4.1K ratings, while Eternize averages 5.0 from 14 ratings.
Do FEMM Period Ovulation Tracker or Eternize have ads?
Neither FEMM Period Ovulation Tracker nor Eternize shows ads.
Which is updated more often, FEMM Period Ovulation Tracker or Eternize?
FEMM Period Ovulation Tracker ships an update every 4 months, and Eternize monthly. Most recently, FEMM Period Ovulation Tracker was updated on October 26, 2026 and Eternize on September 27, 2026.

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