Comparison

Period Tracker by GP Apps vs Clue Period & Cycle 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

Clue Period & Cycle Tracker

This app helps women and people with cycles understand their bodies through period tracking, fertility predictions, and health insights. It offers personalized forecasts, tracks over 100 experiences, and provides science-based content. Connect wearables for advanced health analysis.

Highlights
  • Personalized period predictions
  • Track 100+ cycle-related experiences
  • Fertility and ovulation calculator
  • Pregnancy tracking with weekly updates
  • Perimenopause symptom tracking
  • Connect wearable data
  • Science-based health content
Read full description

Understand your body. Plan around your cycle. Know what’s coming next. Clue is the #1 women-led period and cycle tracker – science-backed, privacy-first, and built to help you live in sync with your cycle. Trusted by millions of people worldwide, Clue gives you the knowledge and personalized insight to make confident health decisions, from first period to perimenopause. Headquartered in Berlin, your data is protected by strict European privacy law (GDPR). Track your period and cycle Know when your period is coming, and get personalized predictions based on your unique cycle length, flow, and patterns. See how your cycle affects how you feel Track 200+ symptoms and experiences – cramps, PMS, pain, energy, cravings, mood, skin, sleep, sex drive, discharge, and more. Your patterns, in clear charts. Get ahead of symptoms See what might be coming, from PMS and cramps to energy dips, so you can plan ahead. Set custom reminders so nothing catches you off guard. Understand your fertility Get personalized ovulation and fertile window predictions, based on a clinically-validated algorithm designed to help you conceive. Stay on track with birth control Log your method – pill, IUDs, ring, patch, and more. Track your cycle symptoms even without regular bleeding. Get real answers, backed by science Explore 400+ articles on your cycle, fertility, sex, pregnancy, perimenopause, and reproductive health. Use Clue through every life stage Switch between modes as your needs change. Period tracking, trying to conceive, pregnancy, and perimenopause. Connect a wearable Layer your cycle data with temperature, sleep, and heart rate for deeper health insights. Works with Apple Watch, Oura, WHOOP, Withings, Fitbit, and more. Get more from every cycle with Clue Plus — deeper analysis, advanced predictions, and personalized insights that get smarter the more you track. A few legal details: After you choose the Clue subscription that’s right for you & confirm your purchase, the credit card associated with your iTunes Account will be charged. Once purchased, your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. If you currently have a free trial, any unused time will be forfeited when you purchase a subscription. If you want to renew your subscription, your account will be charged the same amount you paid for your initial subscription, 24 hours before the end of the current period. You can manage or change your subscription at any time, including turning off auto-renewal, by going to the ‘Account Settings’ on your device after the purchase. Note: Clue should not be used as a contraceptive. Clue is made to help people understand their menstrual and reproductive health by tracking their data, as well as predicting fertile days to aid conception. The app does not substitute professional medical advice, diagnosis, or treatment. Your healthcare provider can give you advice on your specific needs and situation. Helloclue.com support.helloclue.com Terms of Service: www.helloclue.com/terms Privacy Policy: www.helloclue.com/privacy

Screenshots

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

Verdict

The call

Period Tracker by GP Apps and Clue Period & Cycle 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 42% of Clue Period & Cycle Tracker's. Period Tracker by GP Apps also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Clue Period & Cycle Tracker's advantage is ads (none vs shown) and update cadence (weekly 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 Clue Period & Cycle Tracker sells 10 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 — 4.8 for Period Tracker by GP Apps against 4.8 for Clue Period & Cycle Tracker. That said, the two scores are not equally well evidenced: Clue Period & Cycle Tracker has 407K 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 42% of Clue Period & Cycle Tracker's.

UpkeepUpdate frequency

Period Tracker by GP Apps ships an update every 2 months, Clue Period & Cycle Tracker weekly. Both last shipped on October 29, 2026.

Scorecard7 real differences · 4 level
Period Tracker by GP Apps versus Clue Period & Cycle Tracker: the parameters behind the verdict, then further details
ParameterPeriod Tracker by GP AppsClue Period & Cycle Tracker
PriceFreeFree
Rating4.8 (79K ratings) — better4.8 (407K ratings)
Positive reviews91.4% of reviews — better42.3% of reviews
Number of ratings79K407K — better
Update frequencyEvery 2 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
Best chart rank—#39 — better
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size64 MB319 MB
Age rating12+12+
DeveloperGP AppsBioWink GmbH

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%

Clue Period & Cycle Tracker

All ratings406,677 ratings
Positive94.6%
Neutral2.7%
Negative2.7%
Written reviews1,994 reviews
Positive42.3%
Neutral13.8%
Negative43.9%

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

Clue Period & Cycle Tracker

From 407K App Store ratings

What we love

  • 🚀 Accurate predictions
  • 📊 Helpful data analysis
  • 🗓️ Convenient period tracking
  • 🌈 Inclusive and gender-neutral
  • 🤖 Customizable tracking options

Room to improve

  • 💰 Paywall for key features
  • 🔍 Difficult to access personal data
  • 🔄 Frequent app updates causing issues
  • 🤯 Overwhelming with too many features
  • 🔒 Concerns about data privacy and security

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

Clue Period & Cycle Tracker

Reported bugs

5 issues
  • Cycle data being lost or inaccessible
  • Notifications and reminders not working
  • Sync issues between app and account data
  • Compatibility problems with older devices
  • Crashes and freezes when using the app

Requested features

7 requests
  • Add notes/journal functionality
  • Improve symptom tracking and analysis
  • Provide more options for irregular cycles
  • Integrate with other health/fitness apps
  • Allow customization of tracked categories
Show 2 more
  • Implement offline mode for data entry
  • Add support for pregnancy and postpartum

In-app purchases

1 purchases

Period Tracker by GP Apps

Subscriptions1
  • Annual Member14 Days trial$9.991 Year
10 purchases

Clue Period & Cycle Tracker

Subscriptions10
  • 1 Month$9.991 Month
  • Clue Period Tracker - 1 Month2 variants$9.991 Month
  • Clue Plus by BioWink GmbH$9.991 Month
Show 7 more
  • Clue Period Tracker - 1 year1 Year trial$32.991 Year
  • Clue Period Tracker - 1 year1 Year trial2 variants$39.991 Year
  • Clue Plus by BioWink GmbH7 Days trial2 variants$39.991 Year
  • 12 Months$39.991 Year
  • Clue Period Tracker - 12 Month$39.991 Year
  • Clue Period Tracker - 1 year7 Days trial$39.991 Year
  • Clue Period Tracker - 1 year7 Days trial$49.991 Year

Questions

Is Period Tracker by GP Apps free?
Period Tracker by GP Apps is free to download, with in-app purchases available.
Is Clue Period & Cycle Tracker free?
Clue Period & Cycle Tracker is free to download, with in-app purchases available.
Which has better reviews, Period Tracker by GP Apps or Clue Period & Cycle Tracker?
Period Tracker by GP Apps is rated higher. Period Tracker by GP Apps averages 4.8 out of 5 from 79K ratings, while Clue Period & Cycle Tracker averages 4.8 from 407K ratings.
Do Period Tracker by GP Apps or Clue Period & Cycle Tracker have ads?
Period Tracker by GP Apps shows ads; Clue Period & Cycle Tracker does not.
Which is updated more often, Period Tracker by GP Apps or Clue Period & Cycle Tracker?
Period Tracker by GP Apps ships an update every 2 months, and Clue Period & Cycle Tracker weekly. Most recently, Period Tracker by GP Apps was updated on October 29, 2026 and Clue Period & Cycle Tracker on October 29, 2026.

Other comparisons