# Moon Style vs Artemis

The clearest difference is monetization model: Moon Style at free with in-app purchases against Artemis's subscription. Moon Style also leads on iOS requirement (15.6 vs 17.6). Artemis's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Moon Style sells 1 one-off in-app purchase and Artemis sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Moon Style against 5.0 for Artemis. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

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

## The numbers

| Metric | Moon Style | Artemis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/moon-style/id407691498/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/artemis-period-tracker/id6768130305/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 47 MB | 8 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sankakudo Inc.](https://appshunter.io/developer/1048838619) | [Taylor Haaff](https://appshunter.io/developer/1896542850) |

## What reviewers say

### 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 |


### Artemis

[App page](https://appshunter.io/ios/app/artemis-period-tracker/id6768130305)

This app uses body temperature to accurately detect ovulation and predict your fertility window and menstrual cycle. It handles irregular cycles and offers detailed visualizations, smart notifications, and secure partner sharing. Your data is stored locally for maximum privacy.

**Highlights:** Temperature-based ovulation detection, Cycle predictions that learn your pattern, On-device data storage, Handles irregular cycles, Anomaly awareness, Detailed phase visualizations, Smart notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Artemis Premium (Monthly) | $2.99 | per month |
| Artemis Premium (Annual) | $29.99 | per year |


## Frequently asked questions

### Is Moon Style free?

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

### Is Artemis free?

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

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

Moon Style and Artemis are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Moon Style or Artemis have ads?

Moon Style shows ads; Artemis does not.

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

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