Comparison

Period Tracker vs Ovulation Date Calculator

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 your menstrual cycle, ovulation, and fertility. It offers personalized insights for managing conditions like PCOS and endometriosis, and supports those trying to conceive. Your data is kept private with password protection and no account is required.

Highlights
  • Menstrual cycle and flow tracking
  • Ovulation and fertile window prediction
  • Symptom and mood logging
  • Pill and birth control reminders
  • Personalized cycle predictions
  • Conception support tools
Features
Read full description

Whether you're tracking your period, trying to conceive (TTC), managing PCOS or endometriosis, or simply wanting to understand your body better — this app gives you the tools to take charge of your cycle, privately and securely. ⌘ PRIVATE BY DESIGN Your health data is deeply personal. Period Tracker includes a password-locked calendar so your cycle history, symptoms, and logs stay completely private. No account required. No data sold to advertisers. ⌘ WHAT YOU CAN TRACK Menstrual flow and cycle length Ovulation day and fertile window Cervical mucus and basal body temperature (BBT) Mood, energy, PMS symptoms Weight, BMI, and sexual activity Birth control and pill reminders ⌘ BUILT FOR REAL CYCLES Irregular cycles? No problem. Whether you have PCOS, endometriosis, or simply unpredictable periods, Period Tracker adapts its predictions to your unique cycle history — not a textbook average. ⌘ TRYING TO CONCEIVE? Pinpoint your fertile days, track your luteal phase and follicular phase, and get daily pregnancy chance insights. Designed for women on a TTC journey who want data, not guesswork. ⌘ SMART REMINDERS Set personalized reminders for your next period, PMS, ovulation, and birth control. Get alerts when your cycle changes unexpectedly.

About

Ovulation Date Calculator

Features
Read full description

Take control of your reproductive health with our comprehensive and easy-to-use ovulation calculator and period tracker. Whether you're trying to conceive, avoiding pregnancy naturally, or simply want to understand your body better, our app provides accurate predictions and valuable insights into your menstrual cycle. **KEY FEATURES:** **Accurate Ovulation Prediction** - Calculate your most fertile days with precision - Predict ovulation based on your unique cycle length - Track your fertility window (peak conception days) - Get predictions for your next period **Visual Cycle Tracker** - Beautiful circular progress view showing your current cycle phase - Color-coded periods: menstruation (pink), fertility window (blue) - Easy-to-understand visual representation of your cycle - Track where you are in your cycle at a glance **Comprehensive Period History** - Record and track all your past periods - View detailed cycle statistics and patterns - Monitor cycle length variations over time - Identify irregular cycles and trends - Calculate average cycle duration and period length **Daily Symptom Tracking** - Log daily symptoms and mood changes - Track pain levels, bleeding intensity, and discharge type - Record weight, sleep hours, and activity levels - Add personal notes for each day - Monitor patterns in your symptoms over time **Detailed Reports & Analytics** - View cycle duration charts - Track symptom statistics and most common patterns - Get predictions for your next period date - Analyze your menstrual health trends - Export your data for medical consultations **Bilingual Support** - Full support for English and Arabic languages - Seamless language switching - RTL (Right-to-Left) support for Arabic - Localized date formats and number systems **Customizable Settings** - Adjust cycle length to match your body (21-45 days) - Set custom period duration (3-10 days) - Personalized calculations based on your data - Privacy-focused: all data stored locally on your device **Beautiful & Intuitive Design** - Modern, clean interface with soothing colors - Easy navigation between features - Quick access to all important information - Designed with women's needs in mind **WHO IS THIS APP FOR?** - Women trying to conceive - identify your most fertile days - Those practicing natural family planning - Anyone wanting to better understand their menstrual cycle - Women tracking health patterns and symptoms - Those preparing for medical appointments with detailed cycle data **HOW IT WORKS:** 1. **Input Your Data**: Enter your last period start date and average cycle information 2. **Get Predictions**: Instantly see your ovulation day, fertile window, and next period date 3. **Track Daily**: Log symptoms, mood, and health metrics every day 4. **View Insights**: Access detailed reports and statistics about your cycle 5. **Stay Informed**: Monitor your reproductive health with accurate, science-based calculations **PRIVACY & SECURITY:** Your privacy is our priority. All your personal health data is stored securely on your device. We don't collect, share, or sell your information to third parties. Your cycle data belongs to you, and only you. SCIENTIFIC ACCURACY: Our calculations are based on established medical formulas and reproductive health science: - Ovulation typically occurs 14 days before your next period - Fertile window spans 6 days (4 days before ovulation + ovulation day + 1 day after) - Customizable to accommodate individual cycle variations PERFECT FOR: Women planning pregnancy Daily health tracking Medical appointment preparation Understanding your body's patterns Overall reproductive wellness

Screenshots

Period Tracker4 screens
Ovulation Date Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Ovulation Date Calculator at none against Period Tracker's 3. Ovulation Date Calculator also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement 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 3 in-app purchases, starting at $4.99 per month. Ovulation Date Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Period Tracker ships an update every 9 days, Ovulation Date Calculator every 3 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
Period Tracker versus Ovulation Date Calculator: the parameters behind the verdict, then further details
ParameterPeriod TrackerOvulation Date Calculator
PriceFreeFree
Rating5.0 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyEvery 9 daysEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.6
Further details — not scored
Size200 MB30 MB
Age rating17+17+
DeveloperHafiz Muhammad TalhaAbdelkarem Bahy Abdelkarem

In-app purchases

3 purchases

Period Tracker

Subscriptions3
  • Monthly$4.991 Month
  • 6 Months$23.956 Months
  • Yearly3 Days trial$35.901 Year
None

Ovulation Date Calculator

No in-app purchases

Questions

Is Period Tracker free?
Period Tracker is free to download, with in-app purchases available.
Is Ovulation Date Calculator free?
Ovulation Date Calculator is free to download, with no in-app purchases.
Do Period Tracker or Ovulation Date Calculator have ads?
Both Period Tracker and Ovulation Date Calculator show ads.
Which is updated more often, Period Tracker or Ovulation Date Calculator?
Period Tracker ships an update every 9 days, and Ovulation Date Calculator every 3 days. Most recently, Period Tracker was updated on October 28, 2026 and Ovulation Date Calculator on October 24, 2026.

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