# Sync vs Period Tracker

The clearest difference is update cadence: Sync at every 3 weeks against Period Tracker's every 2 months. Period Tracker's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Sync against 5.0 for Period Tracker. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

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

## The numbers

| Metric | Sync | Period Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sync-private-period-tracker/id6743987631/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/period-tracker-secure-privacy/id6763639084/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 41 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Wei Jian Wong](https://appshunter.io/developer/1805425419) | [Zobair S](https://appshunter.io/developer/1882048088) |

## 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


### Period Tracker

[App page](https://appshunter.io/ios/app/period-tracker-secure-privacy/id6763639084)

This app helps you track your menstrual cycle, ovulation, and daily symptoms with a focus on privacy. It offers intelligent predictions, daily health logging, and insights into your body's patterns. Optional partner sharing is available for enhanced communication.

**Highlights:** Accurate cycle and period tracking, Intelligent cycle phase predictions, Daily health and symptom logging, Insights and analytics with charts, Privacy-first data handling, Optional partner sharing mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Sync free?

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

### Is Period Tracker free?

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

### Which has better reviews, Sync or Period Tracker?

Sync and Period Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Sync or Period Tracker have ads?

Neither Sync nor Period Tracker shows ads.

### Which is updated more often, Sync or Period Tracker?

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