# iFertile vs Period tracker, calendar

The clearest difference is update cadence: Period tracker, calendar at every 3 weeks against iFertile's every 24 months. Period tracker, calendar also leads on ratings volume (279 vs 60) and iOS requirement (11.2 vs 13.0). iFertile's advantage is rating (4.7 vs 4.5) and monetization model (ad-supported vs free with in-app purchases). On price, ads, 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.

iFertile holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 60 and 279 respectively. Written reviews point the same way: 57% of iFertile's written reviews are positive against 48% of Period tracker, calendar's.

iFertile ships an update every 24 months, Period tracker, calendar every 3 weeks. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | iFertile | Period tracker, calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (60 ratings)](https://appshunter.io/ios/app/ifertile/id919367481/reviews)** | [4.5 (279 ratings)](https://appshunter.io/ios/app/period-tracker-calendar/id1522679787/reviews) |
| Number of ratings | 60 | **279** |
| Positive reviews | **57.1% of reviews** | 48.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 24 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 68 MB |
| Requires iOS | 13.0 | **11.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 12+ |
| Developer | [FBF Sistemas LTDA](https://appshunter.io/developer/321061871) | [Marina Berezina](https://appshunter.io/developer/1476913504) |

## What reviewers say

### iFertile

[App page](https://appshunter.io/ios/app/ifertile/id919367481)

This app estimates a woman's fertile period using the rhythm method. It's designed for those trying to conceive by identifying optimal times for pregnancy. While it can be used as a contraceptive, its effectiveness is limited.

**Highlights:** Fertile period estimation, Rhythm method calculations, Pregnancy planning tool, Contraceptive method (limited security)

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

**In-app purchases:** none


### Period tracker, calendar

[App page](https://appshunter.io/ios/app/period-tracker-calendar/id1522679787)

This app helps you track your menstrual cycle, predict periods and ovulation, and plan for pregnancy. It offers customizable reminders, a detailed calendar, and statistics to monitor your cycle health. It also includes a pregnancy mode to estimate due dates and track weeks of gestation.

**Highlights:** Accurate period and ovulation predictions, Fertile and safe days calculator, Calendar with symptoms and predictions, Pregnancy planning mode, Period and ovulation reminders, Birth control reminders, Pregnancy mode with due date estimation

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

**In-app purchases:** none


## Frequently asked questions

### Is iFertile free?

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

### Is Period tracker, calendar free?

Period tracker, calendar is free to download, with no in-app purchases.

### Which has better reviews, iFertile or Period tracker, calendar?

iFertile is rated higher. iFertile averages 4.7 out of 5 from 60 ratings, while Period tracker, calendar averages 4.5 from 279 ratings.

### Do iFertile or Period tracker, calendar have ads?

Both iFertile and Period tracker, calendar show ads.

### Which is updated more often, iFertile or Period tracker, calendar?

iFertile ships an update every 24 months, and Period tracker, calendar every 3 weeks. Most recently, iFertile was updated on September 21, 2026 and Period tracker, calendar on September 20, 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.*