# Sync vs Cycle

The clearest difference is in-app purchases: Sync at none against Cycle's 4. Sync also leads on iOS requirement (15.1 vs 18.0). Cycle's advantage is update cadence (every 2 days vs every 3 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Cycle sells 4 in-app purchases, starting at $3.99 per month. Sync asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sync against 5.0 for Cycle. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sync ships an update every 3 weeks, Cycle every 2 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sync | Cycle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sync-private-period-tracker/id6743987631/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/cycle-period-tracker/id6761138879/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 41 MB | 108 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Wei Jian Wong](https://appshunter.io/developer/1805425419) | [Imperio](https://appshunter.io/developer/521569345) |

## 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


### Cycle

[App page](https://appshunter.io/ios/app/cycle-period-tracker/id6761138879)

This app helps you track your menstrual cycle, contraception, and pregnancy with a modern interface. It offers symptom logging, partner sharing with supportive gestures, and PDF export for medical records. Prioritizing privacy, it uses iCloud sync and Face ID lock.

**Highlights:** Cycle tracking with animated dashboard, Home screen widgets for quick glance, Contraception reminders and pack tracking, Week-by-week pregnancy tracker, Symptom logging for pain, mood, energy, Partner sharing with contextual notifications, PDF export for doctor visits

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cycle Pro | $3.99 | per month |
| Cycle Pro | $24.99 | per year |
| Unlimited Partners | $4.99 | one-time |
| Cycle Pro — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Sync free?

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

### Is Cycle free?

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

### Which has better reviews, Sync or Cycle?

Sync and Cycle are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Sync or Cycle have ads?

Neither Sync nor Cycle shows ads.

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

Sync ships an update every 3 weeks, and Cycle every 2 days. Most recently, Sync was updated on October 20, 2026 and Cycle 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.*