Comparison

Ovubee vs Ovulation calculator (cycle)

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

Head to head
About

Ovubee

This app helps predict fertile days, potential baby gender, and upcoming periods. Users can track menstruation dates to refine fertility predictions and view daily or monthly forecasts. It is designed for iOS devices.

Highlights
  • Fertility prediction
  • Baby gender prediction
  • Period and ovulation tracking
  • Daily and monthly calendar views
  • Data logging for improved predictions
Features
Read full description

Ovubee helps you understand your cycle and plan for a baby. See your chance of getting pregnant today, your fertile window and when your next period is due – all at a glance. PREDICTIONS THAT LEARN FROM YOU • Your fertility today, with yesterday and tomorrow for context • Fertile window, ovulation day and next period, with countdowns • Predictions use the average of your recent cycles, so one unusual month won't throw them off • Log positive ovulation tests or basal body temperature and Ovubee adjusts your ovulation and next period automatically • Late period alerts, and a note when your cycles are irregular EASY LOGGING • Log periods with one tap – start and end dates • Ovulation tests, basal temperature, cervical mucus, symptoms, intercourse and notes • Color-coded calendar of past and predicted days CHARTS THAT EXPLAIN YOUR CYCLE • A fertility chart for every cycle: temperature with coverline, ovulation tests, cervical mucus, intercourse and symptoms in one place • See how ovulation was found – by your temperature rise, a positive test or your cycle length • Trends for cycle length, period length and luteal phase JUST FOR FUN • Shettles-method gender prediction for each fertile day (can be turned off) PRIVATE BY DESIGN • No account, no ads, no analytics • Your data stays on your devices and syncs through your own iCloud • Optional Face ID lock • Export or delete everything at any time BABY TODAY PREMIUM • Charts for all your past cycles, and the symptoms that keep coming back – and when • A PDF cycle report to share with your doctor or fertility clinic • Home Screen and Lock Screen widgets • Reminders before your period and when your fertile window starts • Two-way sync with Apple Health • Pregnancy mode: week-by-week progress, baby size and a due date countdown • Add predictions to your calendar and share them with your partner Logging and predictions are always free. Premium is available as a monthly or yearly subscription, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple Account at confirmation of purchase, and renewals are charged within 24 hours before the end of the period. You can manage and cancel subscriptions in your App Store account settings. DISCLAIMER: Ovubee gives estimates based on the dates you log. Every body is different and ovulation can vary. Do not use Ovubee as contraception or to choose the sex of your baby. It is not medical advice. Privacy Policy: https://boluga.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ovulation calculator (cycle)

This app helps users track their menstrual cycle to predict ovulation days and potential pregnancy windows. By inputting the start and end dates of their last period, users can gain insights into their fertility. It's designed for individuals seeking to understand their reproductive health.

Highlights
  • Ovulation day calculation
  • Pregnancy prediction
  • Menstrual cycle tracking
  • Period start date input
  • Last menstrual period input
Features
Read full description

Ovulation calculator Select the start date and the last menstrual period and menstrual You can calculate your ovulation day and pregnant.

Screenshots

Ovubee4 screens
Ovulation calculator (cycle)3 screens

Verdict

The call

The clearest difference is in-app purchases: Ovulation calculator (cycle) at none against Ovubee's 3. Ovulation calculator (cycle) also leads on iOS requirement (15.0 vs 18.0). Ovubee's advantage is ads (none vs shown) and review sentiment (39% vs 17%). On price, update cadence 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. Ovubee sells 3 in-app purchases, starting at $3.99 per month. Ovulation calculator (cycle) asks for nothing beyond the download.

UpkeepUpdate frequency

Ovubee ships an update every 2 months, Ovulation calculator (cycle) every 4 months. Both last shipped on November 6, 2026.

Scorecard5 real differences · 5 level
Ovubee versus Ovulation calculator (cycle): the parameters behind the verdict, then further details
ParameterOvubeeOvulation calculator (cycle)
PriceFreeFree
Rating—3.7 (3 ratings) — better
Positive reviews38.9% of reviews — better16.7% of reviews
Number of ratings—3 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationSubscriptionAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size4 MB6 MB
Age rating17+12+
DeveloperBolugaEONSOFT

Customer experience

Ovubee

Written reviews54 reviews
Positive38.9%
Neutral13.0%
Negative48.1%

Ovulation calculator (cycle)

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

3 purchases

Ovubee

Subscriptions2
  • Monthly Subscription$3.991 Month
  • Annual Subscription7 Days trial$19.991 Year
One-time1
  • Lifetime Premium Access$29.99
None

Ovulation calculator (cycle)

No in-app purchases

Questions

Is Ovubee free?
Ovubee is free to download, with in-app purchases available.
Is Ovulation calculator (cycle) free?
Ovulation calculator (cycle) is free to download, with no in-app purchases.
Do Ovubee or Ovulation calculator (cycle) have ads?
Ovulation calculator (cycle) shows ads; Ovubee does not.
Which is updated more often, Ovubee or Ovulation calculator (cycle)?
Ovubee ships an update every 2 months, and Ovulation calculator (cycle) every 4 months. Most recently, Ovubee was updated on November 6, 2026 and Ovulation calculator (cycle) on November 6, 2026.

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