# Sync vs Cara

The clearest difference is update cadence: Sync at every 3 weeks against Cara's every 2 months. On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for Sync against 5.0 for Cara. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Sync ships an update every 3 weeks, Cara every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sync | Cara |
| --- | --- | --- |
| 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/cara-private-period-tracker/id6775905306/reviews) |
| Number of ratings | 1 | **2** |
| 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 | 55 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Wei Jian Wong](https://appshunter.io/developer/1805425419) | [Cassidy Barton](https://appshunter.io/developer/1859097455) |

## 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


### Cara

[App page](https://appshunter.io/ios/app/cara-private-period-tracker/id6775905306)

This app allows you to privately track your menstrual cycle and related health data. All your information is stored locally on your device, ensuring complete privacy and control over your personal health insights. It offers a beautiful, calm interface without ads or data sharing.

**Highlights:** Local data storage, Encrypted at rest, No servers or accounts, No analytics or ads, Biometric lock support, Customizable tags, CSV data export

**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 Cara free?

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

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

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

### Do Sync or Cara have ads?

Neither Sync nor Cara shows ads.

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

Sync ships an update every 3 weeks, and Cara every 2 months. Most recently, Sync was updated on November 4, 2026 and Cara on November 5, 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.*