# Ovulation Calendar: Period Log — Women's Health & Fertility

> Menstrual cycle and ovulation tracker with diary and reminders. (iPhone/iPad app by Dzianis Kaniushyk.)

- Source: https://appshunter.io/ios/app/ovulation-calendar-period-log/id1463320246 (this page in markdown: same URL + `.md`)
- Developer: [Dzianis Kaniushyk](https://appshunter.io/developer/1204880202)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.40/5 from 16 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 15 · 114 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2020-07-10
- Data updated: 2026-08-13
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ovulation-calendar-period-log/id1463320246/reviews.md

## What is Ovulation Calendar?

Learn more about yourself with Ovulation Calendar.
Ovulation Calendar is a women's assistant that monitors your menstrual cycles and also predicts the days when you're more or less likely to get pregnant.
With Ovulation Calendar, you can monitor all the processes that happen to a woman's body throughout a menstrual cycle. The application includes algorithms that constantly analyze your previous cycles and, based on them, predict the beginning of the next cycle and the days of ovulation.
In the integrated diary of the application you can enter not only notes, temperature and symptoms of discomfort, but also photos. These can be photos of medical examination, tests and recommended medications.
There is a mechanism of reminder in the app. It will help you to schedule your medication for each day and will not let you miss a doctor's visit or any other planned event.
The "History" section will help you see an overview of your cycles, fertility periods and ovulation days for any year based on your data.
Backup of the app will keep your data intact and help you easily transfer it to another device.
By marking the beginning of your menstrual cycle every month, you get a more accurate forecast of subsequent cycles and ovulation days.
Please note: Ovulation Calendar is not a contraceptive.

Subscription to the application provides you with unlimited access to all the functions of Ovulation Calendar as well as with zero ads.

Type of subscription: 1 month.

The payment is raised from the iTunes account when purchase has been confirmed.
The subscription is renewed automatically unless the automatic renewal is switched off at least in 24 hours prior to the expiration of the current period.
Accounts for extension will be raised within 24 hours until the expiration of the current period.
Subscriptions can be controlled by the user. Automatic extension can be switched off by transition to the user’s account settings after purchase.
Where it is applicable any remaining balance of free trial, if it is offered, will be annulled when the user buys subscription for this publication.

Terms of Use - https://apple.nsource.by/terms-of-use.html
Privacy Policy - https://apple.nsource.by/privacy-policy.html

## Key features

- Menstrual cycle tracking
- Ovulation and fertility prediction
- Symptom and temperature logging
- Medication and appointment reminders
- Historical cycle overview
- Data backup and transfer

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| PREMIUM: NO ADS & ALL FEATURES | $1.99 | per month |


## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/ovulation-calendar-period-log/id1463320246/reviews.md

### 5/5 — Спасибо!

*2026-06-04, version 1.6*

Нравится приложение

### 5/5 — Michelle

*2024-05-10, version 1.5*

🌷

### 5/5 — 좋아요

*2024-04-04*

좋습니다 너무 좋아요
거의 3년동안 기록용으로 잘 쓰고 있어요
근데 지금 알아차렸는데 날짜가 하루씩 밀려 있어서 요일이랑 안맞거든요? 확인 부탁드릴게요

**Developer response:** Please pay attention to the year indicated on the calendar, most likely it differs from the current one.

### 5/5 — so cool💗

*2023-11-02, version 1.4*

🩷

### 5/5 — Good stuff

*2022-10-09, version 1.4*

Was kind confused about the symbols for a little and it isn’t completely accurate most of the time but other than that it’s so good.

### 1/5 — Payant

*2021-05-29*

Appli payante

### 5/5 — O.Calender

*2021-03-08*

I by far love this app it is a life saver even though my first period was on the 7th I love it you can plan things on it to, to see if you have your period on any important days!!

## Frequently asked questions about Ovulation Calendar

### What is Ovulation Calendar used for?

Ovulation Calendar is a women's assistant designed to monitor menstrual cycles and predict fertile days. It helps users understand their body's processes throughout a cycle and provides forecasts for upcoming periods and ovulation.

### Can Ovulation Calendar be used as a contraceptive?

No, Ovulation Calendar is not a contraceptive. It is intended for tracking and prediction purposes only and should not be used to prevent pregnancy.

### What kind of data can I log in Ovulation Calendar?

In the integrated diary, you can enter notes, record body temperature, and log symptoms of discomfort. You can also add photos of medical examinations, tests, or recommended medications.

### Does Ovulation Calendar offer reminders?

Yes, the app includes a reminder mechanism to help schedule medication for each day. It also reminds users of doctor's visits or other planned events.

### How accurate are the predictions in Ovulation Calendar?

The application uses algorithms that analyze your previous cycles to predict the beginning of the next cycle and ovulation days. Marking the start of your menstrual cycle each month helps improve the accuracy of these forecasts.

### How does the subscription work for Ovulation Calendar?

A subscription provides unlimited access to all functions and removes ads. Subscriptions are 1 month, with payment processed via iTunes. Automatic renewal can be managed in account settings and must be turned off at least 24 hours before the current period expires.

### Does Ovulation Calendar have ads?

Yes, the free version of Ovulation Calendar contains advertisements. Users can opt for a subscription to remove ads and gain access to all features.

### What platforms is Ovulation Calendar available on?

Ovulation Calendar is available for iPhone and iPod devices, as indicated by the supported devices listed.

## Version history (last 5 releases)

### 1.6 — 2026-04-10

Stability improvements and optimized performance for the latest iOS version. Faster sync added.

### 1.5 — 2023-11-23

- Bugs fixed.

### 1.4 — 2021-10-04

- Bugs fixed.

### 1.3 — 2021-02-17

- Bugs fixed.

### 1.2 — 2020-12-16

- Bugs fixed.

## Apps similar to Ovulation Calendar

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Life - Period Tracker Calendar](https://appshunter.io/ios/app/life-period-tracker-calendar/id703547387) | 4.8 (62,793) | Free | Health & Fitness |
| [Clue Period & Cycle Tracker](https://appshunter.io/ios/app/clue-period-and-cycle-tracker/id657189652) | 4.8 (401,088) | Free | Health & Fitness |
| [Period Tracker and Calendar](https://appshunter.io/ios/app/period-tracker-and-calendar/id1032267351) | 4.8 (53,575) | Free | Health & Fitness |
| [Flo Cycle & Period Tracker](https://appshunter.io/ios/app/flo-cycle-and-period-tracker/id1038369065) | 4.7 (1,933,627) | Free | Health & Fitness |
| [Period Tracker Period Calendar](https://appshunter.io/ios/app/period-tracker-period-calendar/id896501514) | 4.9 (172,440) | Free | Health & Fitness |
| [Cycle Tracker: Period Calendar](https://appshunter.io/ios/app/cycle-tracker-period-calendar/id1064911742) | 4.7 (1,293) | Free | Health & Fitness |

## More apps by Dzianis Kaniushyk

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All apps by Dzianis Kaniushyk: https://appshunter.io/developer/1204880202

## Related topics

[fertility calendar](https://appshunter.io/ios/topics/fertility-calendar) · [period calendar day](https://appshunter.io/ios/topics/period-calendar-day)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*