Comparison

Cycles vs Glow Ovulation & Period App

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

Head to head
About

Cycles

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.

Highlights
  • Cycle tracking at a glance
  • Log body and mood observations
  • Fertile day predictions
  • Irregular/missed period support
  • Partner connect feature
  • Customized reminders
  • Detailed observation descriptions
Features
Read full description

No more surprises, worrying or feeling in the dark about your own reproductive health. As the first app to introduce partner connect, Cycles knows how to make the most out of period tracking. With a clean and simple interface you can keep track of your cycle effortlessly. WHY CYCLES? • Track your cycle in one glance with Cycle view. • Easily log observations on your body and mood. • Take the guesswork out of predicting your most fertile days. • Irregular or missed period? A single tap and Cycles has got your back. • With you wherever you go: for iPhone, iPad, and Apple Watch. TOTAL PRIVACY • Optional passcode or FaceID to protect your privacy. • Share your cycle info privately with your partner. • Your reminders and notes are always kept private, even from your partner. UPGRADE TO CYCLES PREMIUM • Get tailored predictions on upcoming changes to your body. • Connect with your partner to plan intimate moments, vacations and more around your cycle. • Set-up customized reminders for birth control, fertile days or periods. • Become a menstrual cycle expert with detailed descriptions for all observations. • Make Cycles your reliable health care partner with Insights Overview. Perfect for any doctors visit! When calculating fertility for pregnancy with natural family planning, Cycles takes advantage of scientific research that’s more accurate than the 'rhythm method' of yesteryear and has a real-world failure rate comparable to that of condoms. Even so, this app is designed for informational purposes only and should not be used to prevent pregnancy. If you choose to unlock Cycles Premium, your purchase will be charged to your iTunes account. Active subscriptions will be auto-renewed 24 hours before the expiry date. You can manage subscriptions from Account in iTunes after subscribing, you’ll also be able to cancel the auto-renewing subscription from there at any time. Any unused portion of the free trial period will be forfeited if you purchase a subscription to Cycles Premium before your trial expires. Optional permission requests: • Health app, to record your cycles and reproductive health data • Notifications, to remind you of the phases of your cycle Terms: https://cycles.app/terms-of-service

About

Glow Ovulation & Period App

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.

Highlights
  • Menstrual cycle tracking
  • Ovulation prediction
  • Fertility sign tracking
  • Personalized insights and advice
  • Community support
  • Apple Health integration
Features
Read full description

Glow is the most comprehensive period tracker and fertility app in the world. With Glow, you can track your menstrual cycle, ovulation, and fertility signs, all in one place. Glow also provides you with personalized insights and advice to help you understand your body and improve your chances of getting pregnant. FEATURES - Track your menstrual cycle: Glow makes it easy to track your menstrual cycle. Simply input the start and end dates of your period, and Glow will do the rest. Glow will track your cycle length, flow, and symptoms, and provide you with insights into your unique cycle patterns. - Ovulation tracking: Glow's ovulation tracker is one of the most accurate on the market. Glow uses advanced algorithms to predict your fertile window and ovulation day, so you can know when you're most likely to get pregnant. - Fertility sign tracking: In addition to tracking your menstrual cycle and ovulation, Glow also allows you to track other fertility signs, such as basal body temperature, cervical mucus, and sexual activity. This information can help you to better understand your fertility and make informed decisions about your reproductive health. - Personalized insights: Glow provides you with personalized insights and advice based on your cycle data. This information can help you to understand your body better, improve your chances of getting pregnant, and manage your menstrual cycle. - Community support: Glow also has a large and supportive community of users. You can connect with other women who are trying to conceive, get advice from experts, and share your experiences. - Apple Health Integration: Sync data between Glow and Apple Health app. BENEFITS - Improve your chances of getting pregnant: Glow's ovulation tracker and fertility sign tracking tools can help you to better understand your fertility and make informed decisions about your reproductive health. This can help you to improve your chances of getting pregnant. - Manage your menstrual cycle: Glow's menstrual cycle tracking tool can help you to track your cycle length, flow, and symptoms. This information can help you to better understand your cycle and manage your menstrual symptoms. SUBSCRIPTION INFORMATION Glow is free to download and use. Upgrading to Glow Premium will unlock: - Advanced Cycle Chart - Cycle Analysis - Comparative Insights - Forecast - Advanced BBT chart - Premium Articles - Private messaging - Custom profile - Premium support - (More premium features will be coming soon!) Glow offers quarterly and yearly subscription options: - Payment will be charged to your iTunes Account at the confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Your iTunes Account will be charged for renewal within 24-hours prior to the end of the current period. - Subscriptions may be managed and auto-renewal may be turned off by going to your Account Settings in iTunes after purchase. This is modern care for your fertility. Track your cycle with our ovulation calculator and learn more about your reproductive health every time you log on. Easily record your physical symptoms, sexual activity, and day-to-day moods to help you increase your chances of getting pregnant. The Glow app allows users to track their menstrual cycles, and to make informed decisions about the optimal time to conceive. The Glow App is intended as an aid in ovulation prediction to facilitate conception ( not to be used for contraception ). For full Privacy Policy and our Terms of Service: https://glowing.com/privacy-policy/ https://glowing.com/terms-of-service/ **Note: The information provided by Glow should not replace professional medical advice. Always consult with a healthcare provider for medical advice. If you are having technical issues or have any questions about your cycle or period, we're here to help. Please send us an email to: support@glowing.com

Screenshots

Cycles4 screens
Glow Ovulation & Period App4 screens

Verdict

The call

The clearest difference is ads: Cycles at none against Glow Ovulation & Period App's shown. Cycles also leads on review sentiment (88% vs 70%). 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. Cycles sells 15 in-app purchases, starting at $4.99 per month and Glow Ovulation & Period App sells 8 in-app purchases, starting at $15.99 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 — 4.7 for Cycles against 4.7 for Glow Ovulation & Period App. Both are backed by a comparable volume of ratings — 27K and 75K respectively. Written reviews are what separate them: 88% of Cycles's written reviews are positive against 70% of Glow Ovulation & Period App's.

UpkeepUpdate frequency

Cycles ships an update every 6 days, Glow Ovulation & Period App weekly. Both last shipped on September 24, 2026.

Scorecard2 real differences · 8 level
Cycles versus Glow Ovulation & Period App: the parameters behind the verdict, then further details
ParameterCyclesGlow Ovulation & Period App
PriceFreeFree
Rating4.7 (27K ratings)4.7 (75K ratings)
Positive reviews87.6% of reviews — better70.2% of reviews
Number of ratings27K75K — better
Update frequencyEvery 6 days — betterWeekly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size98 MB686 MB
Age rating9+12+
DeveloperPerigeeGlow

Customer experience

Cycles

All ratings27,029 ratings
Positive93.0%
Neutral4.1%
Negative2.9%
Written reviews1,111 reviews
Positive87.6%
Neutral5.3%
Negative7.1%

Glow Ovulation & Period App

All ratings74,788 ratings
Positive93.3%
Neutral3.2%
Negative3.5%
Written reviews1,398 reviews
Positive70.2%
Neutral5.7%
Negative24.2%

User reviews

Cycles

From 27K App Store ratings

What we love

  • 🚀 Easy to use
  • 📆 Accurate cycle tracking
  • 🤝 Ability to share with partner
  • 🗓️ Helpful for planning pregnancy
  • ✨ Clean and intuitive design

Room to improve

  • 🐛 Issues with data persistence and syncing
  • 🔧 Confusing interface for editing cycle details
  • 💰 Paid features should be free
  • 🤔 Limited customization options
  • 📊 Lack of advanced analytics and insights

Glow Ovulation & Period App

From 75K App Store ratings

What we love

  • 🚀 Accurate period and ovulation tracking
  • 👍 Helpful community and support
  • 📊 Detailed cycle analysis and insights
  • 🤰 Useful for trying to conceive
  • 🔍 Convenient OPK strip scanning

Room to improve

  • 💬 Overwhelming community with rude/toxic comments
  • 📢 Excessive ads and push for premium subscription
  • 🤯 Cluttered and confusing UI after updates
  • 🕰️ Slow performance and syncing issues
  • 🔍 Inaccurate ovulation predictions

Bugs and requests

Cycles

Reported bugs

3 issues
  • Cycle data disappearing or resetting unexpectedly
  • Syncing issues between devices and accounts
  • Inaccurate cycle predictions and date adjustments

Requested features

5 requests
  • Add more symptom and mood options
  • Improve cycle editing and data management
  • Integrate with health apps for comprehensive tracking
  • Provide more insights and predictions based on cycle data
  • Allow customization of app appearance and notifications

Glow Ovulation & Period App

Reported bugs

2 issues
  • Disappearing historical cycle data after updates
  • Inability to manually adjust cycle predictions

Requested features

4 requests
  • Option to hide community feed and focus on personal tracking
  • More customization and control over notifications
  • Better integration with other health/fitness apps
  • Improved privacy and data security measures

In-app purchases

15 purchases

Cycles

Subscriptions14
  • Cycles Premium7 Days trial$4.991 Month
  • Period Calendar & Ovulation3 Months trial$6.991 Month
  • Cycle Tracker Premium - Cycles7 Days trial$6.991 Month
Show 11 more
  • Cycles: Period Calendar$6.991 Month
  • Cycles: Period Calendar7 Days trial$6.991 Month
  • Cycles Premium7 Days trial2 variants$9.991 Month
  • Cycles: Period Calendar$9.991 Month
  • Cycles Premium1 Month trial$29.991 Year
  • Menstrual Cycle Tracker7 Days trial$29.991 Year
  • Cycles Premium7 Days trial2 variants$39.991 Year
  • Cycle Tracker & Calendar$39.991 Year
  • Cycles: Period Tracker1 Year trial$39.991 Year
  • Cycles Premium7 Days trial$59.991 Year
  • Cycles: Cycle Tracker & Period$59.991 Year
One-time1
  • Cycles Pro$2.99
8 purchases

Glow Ovulation & Period App

Subscriptions7
  • Glow Premium$15.991 Month
  • Glow Premium3 Months trial$29.993 Months
  • Glow Premium (yearly)3 Days trial$29.991 Year
Show 4 more
  • Glow Ovulation Calculator7 Days trial$35.991 Year
  • Glow Premium7 Days trial2 variants$59.991 Year
  • Glow Premium1 Year trial5 variants$59.991 Year
  • Glow Premium (yearly)7 Days trial$69.991 Year
One-time1
  • Glow Premium Lifetime 70% off$29.99

Questions

Is Cycles free?
Cycles is free to download, with in-app purchases available.
Is Glow Ovulation & Period App free?
Glow Ovulation & Period App is free to download, with in-app purchases available.
Which has better reviews, Cycles or Glow Ovulation & Period App?
Cycles and Glow Ovulation & Period App are both rated 4.7 out of 5 on the App Store, from 27K and 75K ratings respectively.
Do Cycles or Glow Ovulation & Period App have ads?
Glow Ovulation & Period App shows ads; Cycles does not.
Which is updated more often, Cycles or Glow Ovulation & Period App?
Cycles ships an update every 6 days, and Glow Ovulation & Period App weekly. Most recently, Cycles was updated on September 24, 2026 and Glow Ovulation & Period App on September 24, 2026.

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