# Ovulation Estimator vs Period Tracker Cycle Ovulation

The clearest difference is ads: Ovulation Estimator at none against Period Tracker Cycle Ovulation's shown. Period Tracker Cycle Ovulation's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | Ovulation Estimator | Period Tracker Cycle Ovulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ovulation-estimator/id529437218/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 35 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Malay Patel](https://appshunter.io/developer/510333524) | [Disha Thummar](https://appshunter.io/developer/1874186683) |

## What reviewers say

### Ovulation Estimator

[App page](https://appshunter.io/ios/app/ovulation-estimator/id529437218)

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:** macOS Compatibility

**In-app purchases:** none


### Period Tracker Cycle Ovulation

[App page](https://appshunter.io/ios/app/period-tracker-cycle-ovulation/id6772968894)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ovulation Estimator free?

Ovulation Estimator is free to download, with no in-app purchases.

### Is Period Tracker Cycle Ovulation free?

Period Tracker Cycle Ovulation is free to download, with no in-app purchases.

### Do Ovulation Estimator or Period Tracker Cycle Ovulation have ads?

Period Tracker Cycle Ovulation shows ads; Ovulation Estimator does not.

### Which is updated more often, Ovulation Estimator or Period Tracker Cycle Ovulation?

Ovulation Estimator ships an update every 6 months, and Period Tracker Cycle Ovulation every 3 weeks. Most recently, Ovulation Estimator was updated on October 1, 2026 and Period Tracker Cycle Ovulation on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*