# ULA Period Tracker vs Synca

The clearest difference is update cadence: Synca at every 2 weeks against ULA Period Tracker's every 3 months. Synca also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ULA Period Tracker sells 4 one-off in-app purchases and Synca sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ULA Period Tracker ships an update every 3 months, Synca every 2 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ULA Period Tracker | Synca |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Subscription |
| Size | 10 MB | 25 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jeronimo Emiliano Ainchil Calahorra](https://appshunter.io/developer/1858267608) | [Burcu Ibicioglu](https://appshunter.io/developer/1872466864) |

## What reviewers say

### ULA Period Tracker

[App page](https://appshunter.io/ios/app/ula-period-tracker/id6756068195)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |
| Huge Tip | $8.99 | one-time |


### 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 |


## Frequently asked questions

### Is ULA Period Tracker free?

ULA Period Tracker is free to download, with in-app purchases available.

### Is Synca free?

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

### Do ULA Period Tracker or Synca have ads?

Neither ULA Period Tracker nor Synca shows ads.

### Which is updated more often, ULA Period Tracker or Synca?

ULA Period Tracker ships an update every 3 months, and Synca every 2 weeks. Most recently, ULA Period Tracker was updated on October 1, 2026 and Synca on September 29, 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.*