Ovulation Estimator vs Ovulation Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Ovulation date calculation
- Last menstrual period input
- Period cycle length input
- Fertile window prediction
- Health and fitness tracking
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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.
Ovulation Calc
Predict your most fertile days to increase your chances of conception. This tool helps determine ovulation timing based on individual menstrual cycles. It is not intended for pregnancy prevention.
- Ovulation prediction
- Fertile window identification
- Menstrual cycle tracking
- Conception assistance
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Ovulation Calculator Find out when you're likely to ovulate and boost your chances of getting pregnant. Ovulation Calc helps you predict your most fertile days of the month. Menstrual periods vary from woman to woman and month to month. Use this calculator to help determine the timing of your ovulation and peak fertility. CAUTION: This tool cannot and should not be used to prevent pregnancy.
Screenshots
Verdict
The clearest difference is rating: Ovulation Estimator at 5.0 against Ovulation Calc's 1.0. Ovulation Estimator also leads on update cadence (every 6 months vs every 45 months). Ovulation Calc's advantage is iOS requirement (7.0 vs 18.0). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ovulation Estimator holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Ovulation Estimator ships an update every 6 months, Ovulation Calc every 45 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.
| Parameter | Ovulation Estimator | Ovulation Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months — better | Every 45 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 7.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Malay Patel | Kyriakos Leivadas |
Customer experience
Ovulation Estimator
Ovulation Calc
In-app purchases
Ovulation Estimator
No in-app purchases
Ovulation Calc
No in-app purchases
Questions
Is Ovulation Estimator free?
Is Ovulation Calc free?
Which has better reviews, Ovulation Estimator or Ovulation Calc?
Do Ovulation Estimator or Ovulation Calc have ads?
Which is updated more often, Ovulation Estimator or Ovulation Calc?
Other comparisons
