# Sync vs Mirelya

The clearest difference is in-app purchases: Sync at none against Mirelya's 3. Sync also leads on iOS requirement (15.1 vs 18.0). Mirelya's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Mirelya sells 3 in-app purchases, starting at $4.99 per month. Sync asks for nothing beyond the download.

Sync ships an update every 3 weeks, Mirelya daily. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sync | Mirelya |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sync-private-period-tracker/id6743987631/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 41 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Wei Jian Wong](https://appshunter.io/developer/1805425419) | [Matthieu Duc-Dodon](https://appshunter.io/developer/6815886354) |

## What reviewers say

### Sync

[App page](https://appshunter.io/ios/app/sync-private-period-tracker/id6743987631)

A privacy-focused period tracker that stores all your data locally on your device. It offers a simple and ad-free experience for managing your menstrual cycle.

**Highlights:** Privacy-focused design, Local data storage, Ad-free experience, Simple interface, Cycle tracking

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

**In-app purchases:** none


### Mirelya

[App page](https://appshunter.io/ios/app/mirelya-menopause-tracker/id6815886352)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mirelya Plus Monthly | $4.99 | per month |
| Mirelya Plus Yearly | $24.99 | per year |
| Mirelya Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Sync free?

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

### Is Mirelya free?

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

### Do Sync or Mirelya have ads?

Neither Sync nor Mirelya shows ads.

### Which is updated more often, Sync or Mirelya?

Sync ships an update every 3 weeks, and Mirelya daily. Most recently, Sync was updated on October 20, 2026 and Mirelya on October 29, 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.*