# wCalFree vs Moon Style

The clearest difference is rating: Moon Style at 5.0 against wCalFree's 3.0. Moon Style also leads on review sentiment (67% vs 54%). wCalFree's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Moon Style sells 1 one-off in-app purchase. wCalFree asks for nothing beyond the download.

Moon Style holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 54% of wCalFree's written reviews are positive against 67% of Moon Style's.

wCalFree ships an update every 2 months, Moon Style every 4 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | wCalFree | Moon Style |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/wcalfree/id297245024/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moon-style/id407691498/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 54.3% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 47 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Eric Da Cunha](https://appshunter.io/developer/297245027) | [Sankakudo Inc.](https://appshunter.io/developer/1048838619) |

## What reviewers say

### wCalFree

[App page](https://appshunter.io/ios/app/wcalfree/id297245024)

This period tracker helps users log and predict menstrual cycles for better health management and event planning. It offers a simple interface to mark days and automatically refines cycle length predictions based on historical data.

**Highlights:** Period day tracking, Cycle length prediction, Event planning, Medical record support, Month view navigation, Date marking

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

**In-app purchases:** none


### Moon Style

[App page](https://appshunter.io/ios/app/moon-style/id407691498)

Track your menstrual cycle, ovulation, and fertility. Monitor your weight and body fat with diet support, and access lunar cycle-based yoga programs. Designed for women's comfort and health.

**Highlights:** Period and ovulation tracking, Diet and weight monitoring, Fertility and basal body temperature recording, Lunar cycle-based yoga programs, Cycle-based body fat analysis

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoonStyle Yoga | Free | one-time |


## Frequently asked questions

### Is wCalFree free?

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

### Is Moon Style free?

Moon Style is free to download, with in-app purchases available.

### Which has better reviews, wCalFree or Moon Style?

Moon Style is rated higher. wCalFree averages 3.0 out of 5 from 1 ratings, while Moon Style averages 5.0 from 1 ratings.

### Do wCalFree or Moon Style have ads?

Moon Style shows ads; wCalFree does not.

### Which is updated more often, wCalFree or Moon Style?

wCalFree ships an update every 2 months, and Moon Style every 4 months. Most recently, wCalFree was updated on October 31, 2026 and Moon Style on November 1, 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.*