Comparison

Period Tracker by GP Apps 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 by GP Apps

Easily track your menstrual cycles, predict future periods, and monitor fertility. Log symptoms, moods, and weight with detailed charts and customizable notes. Includes advanced modes for trying to conceive and pregnancy tracking, with privacy features and data backup.

Highlights
  • Period cycle tracking and prediction
  • Fertility and ovulation tracking
  • Symptom and mood logging
  • Weight and temperature tracking
  • Customizable notes and symptoms
  • Pregnancy mode and countdown
  • Data backup and export
Features
Read full description

Period Tracker, the easiest way to track your health! *Now supports HealthKit, 3DTouch, TouchID, portrait charts, Advanced TTC Mode (the easiest way to get pregnant by following the homepage timeline’s simple prompted instructions!), and Pregnancy Mode with articles and week-by-week images. Period Tracker is SIMPLE and CUTE. * Press a button at the start of your period every month. Period Tracker logs your dates and calculates the average of your past 3 months' menstrual cycles to predict the start date of your next period. * View your current and future period dates, ovulation and fertile days, moods, symptoms, weight, temp, and fertility notes in a simple month-view calendar. * Discreet iPhone icon simply reads "PTracker." Period Tracker is FILLED WITH FEATURES. * Take daily notes of menstrual symptoms including Spotting, Flow, Cramps, Headaches, Backaches, Bloating, Tender Breasts, and Body Aches! * Track your weight, temperature and moods (over 30+ moods to choose from!) * Add custom symptoms and moods * Charts! Beautiful, comprehensive and handy. Charts show weight, temp, symptoms, period length, cycle length, and more. * Backup/Restore your data with your online backup and restore account. (works across platforms) * Homescreen shows your predicted ovulation, eight day "fertile window,” and your cycle day. Great for trying to conceive. * Pregnancy mode activates countdown to baby's due date and week-by-week articles. * Protect your privacy with TOUCH ID or with a passcode option that is fast and easy. * Export your period dates and notes to email for doctor's visits. Period Tracker is loved by millions of users. MommaRed - "I really like this application. It is easy to use, easy to track and plan for upcoming events. The recent updates have made it even better. One of my favorite iPhone apps." Blanczz226 - "This is one of my favorite apps. I use it every month and it's extremely accurate. Worth the $ for sure" GeekSugar.com - "Period Tracker is the ultimate menstrual mentor. You enter in your info, and it tracks your cycles, letting you keep notes about your activities and well being, all the while using twee 'lil hearts .and flowers to denote important days." Celstemc - "One of my first apps and I am completely in love with it! Won't use another one like it!! Cute and easy to use!" Subscription Details By subscribing to the Period Tracker Patron program you receive additional features. Subscription purchased through the app will be charged to your iTunes account. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period at the cost of $9.99. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. Terms of service: https://gpapps.com/support/eula/ Privacy policy: https://gpapps.com/support/privacy-policy/ Disclaimer: Period Tracker period and fertility forecasts may not be accurate and should not be used to prevent unwanted pregnancy. To forecast ovulation Period Tracker calculates 14 days before the projected start date of one's next period. Forecast accuracy depends on a number of factors including how regular one's cycle length is, when one actually ovulates during the cycle, and how many periods have been logged in the app. Anxiety, stress, diet, nutrition, exercise, environment, medications, age and other factors can also affect one's cycle from month to month. Please email comments and suggestions to supportgpa@gmail.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 Health is a science-backed cycle, ovulation, pregnancy, and period tracker with over 570 million downloads worldwide.* Track your period (regular or irregular), predict ovulation, learn to spot fertile signs, follow your baby’s growth with Flo Health’s pregnancy tracker, and explore common perimenopause symptoms. Flo Health is here to support your menstrual cycle and female health journey. Is my data safe with Flo Health? Flo Health is the first and only period tracking app with two certifications that are internationally recognized as the gold standard in data protection and security. In 2025, Flo Health was recognized as the ISO/Information Security Management System Team of the Year at the PICCASO Privacy and Security Awards for excellence and commitment to privacy-first design. - Anonymous Mode: Use the Flo Health period tracker without any personal identifiers being linked to your health data. Why choose Flo Health for period and ovulation tracking? Flo Health is more than a basic calendar — it's a period tracker and ovulation tracker designed to help you notice patterns over time. - Over 70 trackable symptoms and moods to receive personalized menstrual cycle insights - Support for irregular periods, pre-period symptoms, and cycle changes - Cycle report summaries you can download and share with your doctor Can Flo Health support my trying-to-conceive (TTC) journey? Flo Health offers educational features to help you explore conception insights and better understand how to spot fertile signs. - Fertile window and ovulation predictions based on your logged period data - Log LH/ovulation test strip results and basal body temperature - Discharge tracking to help you recognize fertile signs How does Flo Health support me in pregnancy? Once you conceive, switch to Pregnancy Mode for checklists and expert guidance. - Pregnancy tracking with weekly updates on your baby's development - Daily articles explaining fetal development at each stage Can Flo Health help me with perimenopause symptoms? Track changes during perimenopause with tools designed to help you better understand this life stage. - Perimenopause Score to follow symptom changes - Menopause Timeline to understand the perimenopause phases - Tracker to log sleep, energy, mood, and well-being changes Can I share with my partner? Flo for Partners lets you invite your partner to support your health journey. - Help them understand your menstrual cycle, get ovulation predictions, and celebrate pregnancy progress together. Is Flo Health free? The Flo Health app is free to download and includes core tools you need to track and understand your cycle. What do I get with Flo Health Premium? - Daily, tailored insights and expert-led videos - In-depth pregnancy features - Symptom Checker** that provides educational information on polyendocrine metabolic ovarian syndrome, endometriosis, and uterine fibroids symptoms - Fertility insights to support your TTC journey - 24/7 virtual Health Assistant: Explore instant, tailored insights about your body and cycle trends - Secret Chats: Find tips from other members - Flori: Well-Being Battery that gives you a snapshot of how your sleep, cycle, activity, and symptoms may be impacting you Note: Flo Health Premium is HSA/FSA eligible. Medical disclaimer: Flo Health does not provide medical advice, diagnosis, or treatment, and is not a method of birth control or conception aid. Predictions and features are for informational and educational purposes only. Always consult a qualified healthcare professional. Flo Health period tracker is compatible with Apple Watch. Download the Flo Health app today and join millions using a trusted period tracker, pregnancy app, and cycle tracker. *As of July 2026 **Not available in the UK, EU, Iceland, Liechtenstein, Norway, or Switzerland. Privacy Policy: https://flo.health/privacy-policy Terms of Use: https://flo.health/terms-of-service

Screenshots

Period Tracker by GP Apps4 screens
Flo Cycle & Period Tracker4 screens

Verdict

The call

Period Tracker by GP Apps and Flo Cycle & Period Tracker both sit at 4.8 stars, but that hides the real split: 91% of Period Tracker by GP Apps's written reviews are positive against 46% of Flo Cycle & Period Tracker's. Period Tracker by GP Apps also leads on iOS requirement (15.0 vs 17.0). Flo Cycle & Period Tracker's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, rating, 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. Period Tracker by GP Apps sells 1 in-app purchase, starting at $9.99 per year 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

On the App Store both sit at effectively the same score — 4.8 for Period Tracker by GP Apps against 4.7 for Flo Cycle & Period Tracker. That said, the two scores are not equally well evidenced: Flo Cycle & Period Tracker has 2M ratings behind it against 79K, so its average is the more settled of the two. Written reviews are what separate them: 91% of Period Tracker by GP Apps's written reviews are positive against 46% of Flo Cycle & Period Tracker's.

UpkeepUpdate frequency

Period Tracker by GP Apps ships an update every 2 months, Flo Cycle & Period Tracker every 9 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

Scorecard6 real differences · 5 level
Period Tracker by GP Apps versus Flo Cycle & Period Tracker: the parameters behind the verdict, then further details
ParameterPeriod Tracker by GP AppsFlo Cycle & Period Tracker
PriceFreeFree
Rating4.8 (79K ratings) — better4.7 (2M ratings)
Positive reviews91.4% of reviews — better46.0% of reviews
Number of ratings79K2M — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
Best chart rank—#2 — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size64 MB332 MB
Age rating12+12+
DeveloperGP AppsFLO HEALTH UK LIMITED

Customer experience

Period Tracker by GP Apps

All ratings74,260 ratings
Positive96.9%
Neutral1.5%
Negative1.6%
Written reviews1,936 reviews
Positive91.4%
Neutral2.6%
Negative5.9%

Flo Cycle & Period Tracker

All ratings2,002,880 ratings
Positive93.7%
Neutral2.8%
Negative3.4%
Written reviews9,228 reviews
Positive46.0%
Neutral11.4%
Negative42.6%

User reviews

Period Tracker by GP Apps

From 79K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate period predictions
  • 💡 Customizable symptom and mood tracking
  • 📆 Helpful for planning around cycle
  • 🤰 Useful for tracking fertility and pregnancy

Room to improve

  • 🐛 Irregular cycles not handled well
  • 🔒 Concerns about data privacy and security
  • 💰 Paywall for some features
  • 🎨 Outdated or unappealing design

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 by GP Apps

Reported bugs

3 issues
  • Period start/end dates not saving correctly
  • Ovulation predictions often inaccurate
  • Crashes or freezes when logging data

Requested features

4 requests
  • Add option to track irregular cycles
  • Improve data backup and sync across devices
  • Provide more customization options for layout and themes
  • Integrate with other health tracking apps

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

1 purchases

Period Tracker by GP Apps

Subscriptions1
  • Annual Member14 Days trial$9.991 Year
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 by GP Apps free?
Period Tracker by GP Apps 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 by GP Apps or Flo Cycle & Period Tracker?
Period Tracker by GP Apps is rated higher. Period Tracker by GP Apps averages 4.8 out of 5 from 79K ratings, while Flo Cycle & Period Tracker averages 4.7 from 2M ratings.
Do Period Tracker by GP Apps or Flo Cycle & Period Tracker have ads?
Period Tracker by GP Apps shows ads; Flo Cycle & Period Tracker does not.
Which is updated more often, Period Tracker by GP Apps or Flo Cycle & Period Tracker?
Period Tracker by GP Apps ships an update every 2 months, and Flo Cycle & Period Tracker every 9 days. Most recently, Period Tracker by GP Apps was updated on October 31, 2026 and Flo Cycle & Period Tracker on November 1, 2026.

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