# Artemis vs Cycle Sync

The clearest difference is ads: Artemis at none against Cycle Sync's shown. Artemis also leads on update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Artemis sells 2 in-app purchases, starting at $2.99 per month and Cycle Sync sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Artemis ships an update every 2 days, Cycle Sync every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Artemis | Cycle Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/artemis-period-tracker/id6768130305/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Subscription | — |
| Size | 8 MB | 78 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Taylor Haaff](https://appshunter.io/developer/1896542850) | [Amit Kairon](https://appshunter.io/developer/1750611800) |

## What reviewers say

### 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 |


### Cycle Sync

[App page](https://appshunter.io/ios/app/cycle-sync-smart-menstruation/id6772445948)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CycleSync Pro — Weekly | $4.99 | per 7 days |
| CycleSync Pro | $9.99 | per month |
| CycleSync Pro | $59.99 | per year |


## Frequently asked questions

### Is Artemis free?

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

### Is Cycle Sync free?

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

### Do Artemis or Cycle Sync have ads?

Cycle Sync shows ads; Artemis does not.

### Which is updated more often, Artemis or Cycle Sync?

Artemis ships an update every 2 days, and Cycle Sync every 2 months. Most recently, Artemis was updated on October 25, 2026 and Cycle Sync on October 24, 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.*