Comparison

Period Log vs 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 Log

Track and predict your menstrual cycles, fertility, and ovulation. Log period days, flow, mood, symptoms, and more. Receive timely reminders and protect your data with password protection.

Highlights
  • Track period, ovulation, and fertile days
  • Predict future cycles and fertile windows
  • Log moods, symptoms, and flow
  • Visual calendar with icons
  • Customizable reminders
  • Password and Touch ID protection
  • Pregnancy mode with due date calculation
Features
Read full description

Period Log is designed for you to track and predict your fertility and menstrual cycles. With Period Log, you can track almost everything about your cycles, period days, cycle days, fertile days, ovulation day, flow, mood, symptom, intimate, spotting, breast self-exam, weight, temperature and notes. Period Log will make you life much easier. You can view details of your cycles at a glance, refer predicting periods to make well plans of date, private life, having baby, visiting doctor, and travel etc, doing something advance for important exam, match etc. Key Features: ⁃ Screen name is P. Log. ⁃ Track period, ovulation, fertile days, moods, weight and symptoms etc. ⁃ Predict following periods, ovulation and fertile days. ⁃ Two modules are provided to predict your periods, default days and average days. ⁃ Calendar design and icons to show your info visually. ⁃ Add or edit periods easily. ⁃ Receive reminder if periods is comings. ⁃ Receive reminder of breast self-exam. ⁃ Passwords to protect your info. ⁃ Supports Touch ID as passcode. ⁃ Help documents to help you how to use this app. ⁃ Pregnancy module is provided, calculates delivery date and days remains. ⁃ Support units of lbs and kg, °F and °C. ⁃ Supports Wifi backup and restore. ⁃ Supports Dropbox backup and restore. ⁃ Supports transferring data to Health app. ⁃ Supports universal version. ⁃ Supports Apple Watch version. Let’s your periods in control and prepare well when those days are coming, instead of being overwhelmed by her sudden visit. Please contact us by this email userfeed@vip.tom.com if you have any question or suggestion.

About

Period Tracker

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It offers customizable themes, data privacy features, and insights into PMS symptoms and overall wellness. Plan your life with accurate predictions and a secure, personalized experience.

Highlights
  • Period and ovulation prediction
  • Fertile window tracking
  • PMS symptom logging
  • Customizable themes
  • Data security and privacy
  • Cycle trend analysis
  • Health diary
Features
Read full description

Greetings from My Calendar – a simple but stylish period tracker for girls and women. With the support of this accurate period tracker, you can easily track period phases, and get notified before periods arrive. Pinpointing your ovulation day and fertile windows can never be easier. Learning about PMS symptoms, or monitoring hormone health – this all-in-one period calendar app can satisfy all your needs. Your well-being is important, and your menstrual journey is unique. As we value that, we have designed a variety of exquisite themes. Soothing watercolor styles, harmonious gradient colors, elegant flowery decorations, and more – You can change it at any time to suit your unique taste. Your Data, Your Choice. Our app allows you to use it without the need for registration or login. All your data is stored locally. Set an app lock and protect your privacy from inquisitive stares. Your data security is always our top priority. Key Features: Period and Ovulation Prediction and Reminders - Use the menstrual tracker to record past cycles to understand your own patterns. - Spot the timing of ovulation and your most fertile days for better family planning or period tracker birth control needs. - Customize reminder dates, times, and frequencies and receive future predictions. - Plan your life, work, and social activities accordingly for a more carefree lifestyle. PMS Symptoms and Daily Wellness Metrics - Log and track different symptoms and moods in the menstrual calendar with a built-in period mood tracker. - Gain insights into your body and emotional states and focus more on overall health. - Keep a menstrual diary as a health record that can be shared with healthcare providers. - Cultivate healthy lifestyle habits like regular weigh-ins and adequate water intake. Menstrual Cycle Trend Analysis - Track changes in cycle length and period durations in the cycle history. - Explore your patterns of period flow and symptoms in intuitive charts and reports. - Scientifically adjust your lifestyle based on intelligent analysis results. - Also works perfectly as an irregular period tracker, helping you identify trends even with unpredictable cycles. Customizable Themes - Choose from a diverse theme library based on your personal preferences. - Switch application interfaces to enjoy a fresh and pleasant user experience. Data Security & Privacy - Start using the application instantly without requiring account registration. - Store all the data on your local device. - Set a PIN to further enhance data security. - Transfer and restore data easily to prevent data loss. My Calendar is your trusted companion to guide you through each phase of life with confidence and convenience – from menstruacion to period tracker menopause. Download today and empower yourself with the best period tracker experience – one that’s not only simple and secure, but perfect for period tracker girls and even a period tracker for kids if needed.

Screenshots

Period Log4 screens
Period Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Period Tracker at every 6 weeks against Period Log's every 7 months. Period Tracker also leads on iOS requirement (12.0 vs 15.6). Period Log's advantage is monetization model (ad-supported vs free with in-app purchases) and ratings volume (1.2K vs 151). On price, rating, review sentiment and ads 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

Period Tracker holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Period Log has 1.2K ratings behind it against 151, so its average is the more settled of the two. Written reviews point the same way: 92% of Period Log's written reviews are positive against 96% of Period Tracker's.

UpkeepUpdate frequency

Period Log ships an update every 7 months, Period Tracker every 6 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Period Log versus Period Tracker: the parameters behind the verdict, then further details
ParameterPeriod LogPeriod Tracker
PriceFreeFree
Rating4.7 (1.2K ratings)4.9 (151 ratings) — better
Positive reviews91.9% of reviews96.1% of reviews — better
Number of ratings1.2K — better151
Update frequencyEvery 7 monthsEvery 6 weeks — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size54 MB43 MB
Age rating4+12+
Developer倩 赵Prutvi

Customer experience

Period Log

All ratings1,208 ratings
Positive93.8%
Neutral3.6%
Negative2.6%
Written reviews467 reviews
Positive91.9%
Neutral3.9%
Negative4.3%

Period Tracker

All ratings134 ratings
Positive97.0%
Neutral1.5%
Negative1.5%
Written reviews102 reviews
Positive96.1%
Neutral1.0%
Negative2.9%

Bugs and requests

Period Log

Reported bugs

3 issues
  • Data not saving properly after app updates
  • Calendar view not displaying all entries correctly
  • Notifications not working as expected

Requested features

5 requests
  • Option to remove ads
  • Ability to sync data across devices
  • More detailed symptom and mood tracking
  • Customizable reminders and notifications
  • Integration with other health apps

Period Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Period Log

No in-app purchases

None

Period Tracker

No in-app purchases

Questions

Is Period Log free?
Period Log is free to download, with no in-app purchases.
Is Period Tracker free?
Period Tracker is free to download, with no in-app purchases.
Which has better reviews, Period Log or Period Tracker?
Period Tracker is rated higher. Period Log averages 4.7 out of 5 from 1.2K ratings, while Period Tracker averages 4.9 from 151 ratings.
Do Period Log or Period Tracker have ads?
Both Period Log and Period Tracker show ads.
Which is updated more often, Period Log or Period Tracker?
Period Log ships an update every 7 months, and Period Tracker every 6 weeks. Most recently, Period Log was updated on November 1, 2026 and Period Tracker on October 30, 2026.

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