Comparison

Ovulation Estimator vs Period Tracker + Ovulation

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

Head to head
About

Ovulation Estimator

This health tool helps you estimate your ovulation date. Simply enter your last menstrual period and cycle length to predict your most fertile days. It's designed for women tracking their reproductive health.

Highlights
  • Ovulation date calculation
  • Last menstrual period input
  • Period cycle length input
  • Fertile window prediction
  • Health and fitness tracking
Features
Read full description

Using this calculator know your ovulation date. Input your last menstrual period and period cycle to calculate the probable date of ovulation. Please give your valuable comments and ratings for further improvement.

About

Period Tracker + Ovulation

Features
Read full description

Period Tracker - Menstrual is the simple, private way to understand your cycle. No account, no sign-up, no cloud — your data stays on your phone, always. Predict your next period, track ovulation and fertile days, log moods and symptoms, and get gentle insights that help you understand your body better. PREDICT YOUR CYCLE ************************ * Accurate next-period predictions * Ovulation day and fertile window forecasts * Daily chance-of-pregnancy guidance * See exactly where you are in your cycle at a glance UNDERSTAND YOUR 4 PHASES ********************************** * Menstrual, Follicular, Ovulation & Luteal phases explained * Daily energy levels and what to expect * Personalized tips for nutrition, mood, and self-care LOG WHAT MATTERS *********************** * Period flow and intensity * 30+ symptoms — cramps, headaches, bloating and more * One-tap mood tracking * Sleep quality, hydration and daily wellness * A private journal for your thoughts INSIGHTS THAT HELP ************************ * Cycle regularity and length trends * PMS pattern detection * Your top symptoms and mood patterns * Flow intensity history * Clear, beautiful charts GENTLE REMINDERS *********************** * Get notified before your period starts * Fertile window and ovulation alerts PRIVATE BY DESIGN ********************** * Your data never leaves your device * No account or email required * Different theme mode Whether you're managing PMS, planning a pregnancy, avoiding one, or simply staying in tune with your body — this is the calm, private cycle tracker you've been looking for. Download today and start understanding your cycle. Your feedback and inputs are always welcome. We will be happy to hear from you. This app is subject to Apple's standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Ovulation Estimator3 screens
Period Tracker + Ovulation4 screens

Verdict

The call

The clearest difference is in-app purchases: Ovulation Estimator at none against Period Tracker + Ovulation's 4. Period Tracker + Ovulation's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support 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 + Ovulation sells 4 in-app purchases, starting at $2.99 per 7 days. Ovulation Estimator asks for nothing beyond the download.

UpkeepUpdate frequency

Ovulation Estimator ships an update every 6 months, Period Tracker + Ovulation every 3 weeks. The most recent releases landed on November 1, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 6 level
Ovulation Estimator versus Period Tracker + Ovulation: the parameters behind the verdict, then further details
ParameterOvulation EstimatorPeriod Tracker + Ovulation
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size6 MB48 MB
Age rating4+4+
DeveloperMalay PatelMatheswaran Murugan

In-app purchases

None

Ovulation Estimator

No in-app purchases

4 purchases

Period Tracker + Ovulation

Subscriptions3
  • Period Tracker Premium Weekly$2.997 Days
  • Period Tracker Premium Monthly$6.991 Month
  • Period Tracker Premium Yearly$29.991 Year
One-time1
  • Period Tracker Premium Lifetime$49.99

Questions

Is Ovulation Estimator free?
Ovulation Estimator is free to download, with no in-app purchases.
Is Period Tracker + Ovulation free?
Period Tracker + Ovulation is free to download, with in-app purchases available.
Do Ovulation Estimator or Period Tracker + Ovulation have ads?
Neither Ovulation Estimator nor Period Tracker + Ovulation shows ads.
Which is updated more often, Ovulation Estimator or Period Tracker + Ovulation?
Ovulation Estimator ships an update every 6 months, and Period Tracker + Ovulation every 3 weeks. Most recently, Ovulation Estimator was updated on November 1, 2026 and Period Tracker + Ovulation on October 18, 2026.

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