Comparison

Period Tracker vs Flo Cycle & Period Tracker

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

Head to head
About

Period Tracker

This app helps you track and understand your menstrual cycle, ovulation, and fertility. It offers a beautiful interface with a calendar view, diary for symptoms, and detailed graphs to monitor changes. Plan for pregnancy or avoid it with personalized cycle calculations and health reports.

Highlights
  • Menstrual cycle tracking
  • Ovulation and fertility calendar
  • Symptom and flow diary
  • Personalized cycle calculations
  • Pregnancy countdown mode
  • Health data logging and export
  • Apple Health sync
Features
Read full description

Monthly Cycles - Period Tracker, Menstrual Calendar & Ovulation / Fertility Diary Track, monitor, and understand your menstrual cycle with an app that truly gets you. Monthly Cycles was lovingly designed to be both fun and beautiful. See fertile days and variations in your cycle at a glance. It even has fun features like the most auspicious days for conceiving a boy or a girl! Monthly Cycles makes it possible to plan the next chapter in your life, or avoid unwanted pregnancy, putting you back in control. Designed and developed by polycents! BEAUTIFUL INTERFACE – Calendar view shows your cycle at a glance – Color-coded icons for special days – Diary to keep track of symptoms, flow and more TAKE CONTROL OF YOUR CYCLE – Period calculations take account of your personal fluctuations – Detailed graphs to watch for changes – Instantly see your fertile days to help manage pregnancy – Pregnancy mode to count down the days ALL YOUR INFO – Track your weight and temperature changes – Medical reports for temperature, acne, cramps, headaches, nausea, tenderness – Logged and ready for you, or your doctor – Export data quickly via email - Sync your data with Apple Health App # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/509623 Privacy Policy: https://www.iubenda.com/privacy-policy/509623 QUESTIONS? We want you to make the most of Monthly Cycles. Email our support team with questions and suggestions at: cycles@delworks.com

About

Flo Cycle & Period Tracker

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Highlights
  • Period and ovulation tracking
  • Fertility and pregnancy support
  • Symptom and mood logging
  • Personalized cycle insights
  • Pregnancy week-by-week guidance
  • Perimenopause symptom tracking
  • Anonymous mode and data security
Features
Read full description

Flo is a science-backed period tracker, ovulation tracker, fertility, and pregnancy app used by over 500 million* women worldwide. Whether you’re tracking your period (regular or irregular), trying to conceive, following changes to your baby and your body during pregnancy, or navigating perimenopause symptoms, Flo is here to support you. Join 500 million users* who use Flo’s science-backed insights, created with 100+ doctors and medical experts, to better understand their menstrual cycle. Is my data safe with Flo? Your health data deserves the highest level of protection. Flo was recognized as ISO 27001/ISMS Team of the Year at the 2025 PICCASO Privacy and Security Awards, honoring our excellence in information security management and long-standing commitment to privacy-first design. - Anonymous Mode: Use the Flo period tracker without linking your name, email, or personal identifiers - Dual ISO certification: Industry-leading security standards to keep your data safe - Secret Chats: Connect with like-minded members who share tips and personal experiences Why choose Flo for period and ovulation tracking? Flo is more than a basic calendar — it’s a smart period tracker designed to help you notice patterns over time. - Log 70+ symptoms and moods to receive more personalized menstrual cycle insights - Support for irregular periods, pre-period symptoms, and cycle changes - Clear summaries you can share with your doctor - An accurate period tracker to help you plan ahead with confidence (Flo is not a method of birth control) Can Flo support my Trying To Conceive (TTC) journey? Flo offers educational features to support your journey to conceive and better understand fertility. - Fertile window and ovulation predictions based on your logged period data - BBT (basal body temperature) tracking - Daily insights to help you prepare to conceive a baby - Partner tools to support shared awareness How does Flo support my pregnancy by week? Once you conceive, switch to Flo for Pregnancy for useful checklists and structured, week-by-week guidance. - Pregnancy tracking with weekly updates as your baby develops - Visuals and diagrams to help explain pregnancy changes - Symptom tracking, reminders, and organization tools - Expert-reviewed content and community stories for peace of mind Is Flo suitable for teens and first periods? Flo provides a safe space for teens to track their first period with age-appropriate education, helping them navigate puberty confidently. Can Flo help me manage perimenopause symptoms? Track changes during perimenopause with tools designed for this life stage. - Perimenopause Score to follow symptom changes month by month - Track cycle-related changes in sleep, energy, mood, and well-being - Clear, personalized insights What do I get with Flo Premium? Unlock deeper, personalized insights and advanced tracking tools with Flo Premium. - Daily, personalized insights - Expert-led video courses on fertility, pregnancy, and birth - In-depth pregnancy features for every milestone and baby stage - Symptom Checker** that provides educational information on PCOS, endometriosis, and fibroids symptoms - Ovulation insights to support your TTC journey - 24/7 virtual Health Assistant for educational support - Flo for Partners: Share updates like menstrual cycle predictions or pregnancy progress, and always stay in control of what you share with your partner Medical disclaimer Flo does not provide medical advice, diagnosis, or treatment, and is not a method of birth control. Predictions are for informational purposes only. Always consult a qualified healthcare professional. Download Flo today and join millions using a trusted period tracker, pregnancy app, and fertility companion. *Total number of users who downloaded Flo, July 2026 **Symptom checker not available in the UK or EU Privacy Policy: https://flo.health/privacy-policy Terms of Use: https://flo.health/terms-of-service

Screenshots

Period Tracker4 screens
Flo Cycle & Period Tracker4 screens

Verdict

The call

The clearest difference is rating: Flo Cycle & Period Tracker at 4.7 against Period Tracker's 4.0. Flo Cycle & Period Tracker also leads on ads (none vs shown) and ratings volume (2M vs 3.8K). On price, review sentiment, update cadence and in-app purchases 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. Period Tracker sells 8 in-app purchases, starting at $1.99 per month and Flo Cycle & Period Tracker sells 11 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Flo Cycle & Period Tracker holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Flo Cycle & Period Tracker has 2M ratings behind it against 3.8K, so its average is the more settled of the two. Written reviews point the same way: 41% of Period Tracker's written reviews are positive against 46% of Flo Cycle & Period Tracker's.

UpkeepUpdate frequency

Period Tracker ships an update every 8 days, Flo Cycle & Period Tracker every 9 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 7 level
Period Tracker versus Flo Cycle & Period Tracker: the parameters behind the verdict, then further details
ParameterPeriod TrackerFlo Cycle & Period Tracker
PriceFreeFree
Rating4.0 (3.8K ratings)4.7 (2M ratings) — better
Positive reviews41.3% of reviews46.5% of reviews — better
Number of ratings3.8K2M — better
Update frequencyEvery 8 days — betterEvery 9 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#2 — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better16.0
Further details — not scored
Size84 MB277 MB
Age rating4+12+
DeveloperBeesoft AppsFLO HEALTH UK LIMITED

Customer experience

Period Tracker

All ratings3,810 ratings
Positive73.6%
Neutral5.5%
Negative20.9%
Written reviews675 reviews
Positive41.3%
Neutral8.7%
Negative49.9%

Flo Cycle & Period Tracker

All ratings1,973,974 ratings
Positive93.8%
Neutral2.8%
Negative3.4%
Written reviews8,658 reviews
Positive46.5%
Neutral11.4%
Negative42.1%

User reviews

Period Tracker

From 3.8K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate period tracking
  • 💡 Customizable calendar and symptoms
  • 🤩 Helpful for managing health conditions

Room to improve

  • 🐛 Data loss and sync issues
  • 🤯 Confusing UI changes after updates
  • 💸 Paywall for basic features
  • 🙄 Excessive ads and notifications

Flo Cycle & Period Tracker

From 2M App Store ratings

What we love

  • 🚀 Accurate period predictions
  • 📊 Helpful insights and information
  • 🤝 Supportive community
  • 🗓️ Useful tracking features
  • 💻 Great app design and interface

Room to improve

  • 💰 Excessive push for premium subscription
  • 🔒 Privacy concerns around data sharing
  • 🤖 Lack of inclusivity for non-binary users
  • 🚫 Paywall for basic health information
  • 🙄 Annoying notifications and ads

Bugs and requests

Period Tracker

Reported bugs

4 issues
  • Logging out and losing all historical data
  • Inaccurate period predictions after updates
  • Inability to edit or correct logged data
  • App crashes and freezes on launch

Requested features

4 requests
  • Restore previous simple and intuitive interface
  • Reliable data backup and sync across devices
  • Support for perimenopause and menopause tracking
  • Better customer support and communication

Flo Cycle & Period Tracker

Reported bugs

4 issues
  • Inaccurate period/ovulation predictions
  • Inability to edit cycle data
  • Disappearing articles and insights
  • Syncing issues with other health apps

Requested features

6 requests
  • Custom symptom tracking options
  • Improved pregnancy tracking features
  • Menstrual migraine tracking
  • Breastfeeding/postpartum tracking
  • Expanded community features
Show 1 more
  • More localized content and insights

In-app purchases

8 purchases

Period Tracker

Subscriptions5
  • Premium - 1 Month1 Month trial$1.991 Month
  • Premium - 1 Month$9.991 Month
  • Premium - 6 Months$19.996 Months
Show 2 more
  • Premium - 1 Year7 Days trial$29.991 Year
  • Premium - 1 Year7 Days trial$39.991 Year
One-time3
  • Remove Ads$1.99
  • Premium - Lifetime$37.99
  • Premium - Lifetime$74.99
11 purchases

Flo Cycle & Period Tracker

Subscriptions11
  • Flo Premium7 Days trial$1.997 Days
  • Flo Premium$1.997 Days
  • Flo Premium7 Days trial$2.897 Days
Show 8 more
  • Flo Premium7 Days trial$7.497 Days
  • Flo Ovulation & Health tracker$11.491 Month
  • Flo Premium$14.991 Year
  • Flo Ovulation & Health tracker$14.991 Month
  • Flo Birth Control Reminder14 Days trial$43.991 Year
  • Flo Premium$47.991 Year
  • Flo Pregnancy Tracker7 Days trial$49.991 Year
  • Flo Premium14 Days trial$59.991 Year

Questions

Is Period Tracker free?
Period Tracker is free to download, with in-app purchases available.
Is Flo Cycle & Period Tracker free?
Flo Cycle & Period Tracker is free to download, with in-app purchases available.
Which has better reviews, Period Tracker or Flo Cycle & Period Tracker?
Flo Cycle & Period Tracker is rated higher. Period Tracker averages 4.0 out of 5 from 3.8K ratings, while Flo Cycle & Period Tracker averages 4.7 from 2M ratings.
Do Period Tracker or Flo Cycle & Period Tracker have ads?
Period Tracker shows ads; Flo Cycle & Period Tracker does not.
Which is updated more often, Period Tracker or Flo Cycle & Period Tracker?
Period Tracker ships an update every 8 days, and Flo Cycle & Period Tracker every 9 days. Most recently, Period Tracker was updated on September 22, 2026 and Flo Cycle & Period Tracker on September 24, 2026.

Other comparisons