# Sync vs Simple Period Tracker

The clearest difference is rating: Sync at 5.0 against Simple Period Tracker's 3.7. Simple Period Tracker's advantage is ratings volume (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

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

Sync holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of Sync's written reviews are positive against 93% of Simple Period Tracker's.

Sync ships an update every 3 weeks, Simple Period Tracker every 2 weeks. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sync | Simple Period Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sync-private-period-tracker/id6743987631/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/simple-period-tracker-cherri/id6753106573/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 92.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 41 MB | 36 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Wei Jian Wong](https://appshunter.io/developer/1805425419) | [sangwoo lee](https://appshunter.io/developer/1823386206) |

## 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


### Simple Period Tracker

[App page](https://appshunter.io/ios/app/simple-period-tracker-cherri/id6753106573)

This app offers a simple and intuitive way to track your menstrual cycle, ovulation, and fertile days. It provides accurate predictions with custom reminders and allows for detailed symptom and mood logging. Access your health data offline and personalize your experience with color themes.

**Highlights:** Quick period logging, Daily symptom tracking, Personal notes, Auto cycle prediction, Custom reminders, Offline access

**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 Simple Period Tracker free?

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

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

Sync is rated higher. Sync averages 5.0 out of 5 from 1 ratings, while Simple Period Tracker averages 3.7 from 3 ratings.

### Do Sync or Simple Period Tracker have ads?

Neither Sync nor Simple Period Tracker shows ads.

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

Sync ships an update every 3 weeks, and Simple Period Tracker every 2 weeks. Most recently, Sync was updated on October 20, 2026 and Simple Period Tracker on October 30, 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.*