# Synca vs Endolune

The clearest difference is in-app purchases: Endolune at none against Synca's 2. Endolune also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Synca sells 2 in-app purchases, starting at $4.99 per month. Endolune asks for nothing beyond the download.

Synca ships an update every 2 weeks, Endolune every 10 days. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Synca | Endolune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synca-ai-cycle-syncing/id6758351599/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Subscription | — |
| Size | 25 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Burcu Ibicioglu](https://appshunter.io/developer/1872466864) | [mostafa lekkrami](https://appshunter.io/developer/1739682125) |

## What reviewers say

### Synca

[App page](https://appshunter.io/ios/app/synca-ai-cycle-syncing/id6758351599)

This app uses AI to help you plan your daily tasks and activities around your menstrual cycle. It provides personalized insights and suggestions for energy, focus, and mood based on your current cycle phase. Optimize your productivity and well-being by working with your body's natural rhythms.

**Highlights:** AI-powered cycle-aware task planning, Personalized daily insights based on cycle phase, Four cycle phases with identified strengths, Smart calendar with energy-based event tagging, Quick daily mood and energy tracking, Phase-matched workout and meal suggestions, Private data storage on device

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synca AI | $4.99 | per month |
| Synca AI | $24.99 | per year |


### Endolune

[App page](https://appshunter.io/ios/app/endolune-suivi-endometriose/id6810312571)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synca free?

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

### Is Endolune free?

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

### Do Synca or Endolune have ads?

Neither Synca nor Endolune shows ads.

### Which is updated more often, Synca or Endolune?

Synca ships an update every 2 weeks, and Endolune every 10 days. Most recently, Synca was updated on October 15, 2026 and Endolune on October 10, 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.*