# Cyca vs Tide 潮汐

The clearest difference is update cadence: Tide 潮汐 at every 2 days against Cyca's weekly. Tide 潮汐 also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cyca sells 1 one-off in-app purchase and Tide 潮汐 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Cyca ships an update weekly, Tide 潮汐 every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cyca | Tide 潮汐 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/cyca-period-and-cycle-tracker/id6782251621/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guan Feng Lai](https://appshunter.io/developer/1136144960) | [PEIYU Hsu](https://appshunter.io/developer/6792494874) |

## What reviewers say

### Cyca

[App page](https://appshunter.io/ios/app/cyca-period-and-cycle-tracker/id6782251621)

This app helps you track your menstrual cycle, predict your period, fertile window, and ovulation day. It offers a daily body forecast for energy, mood, and skin, and allows for quick logging of symptoms. Your data stays private and offline on your device.

**Highlights:** Period and cycle tracking, Fertile window and ovulation prediction, Daily body forecast (energy, mood, skin), Quick symptom logging, Private and offline data storage, Period and PMS reminders, Smart planner for best/gentlest days

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cyca Pro | $4.99 | one-time |


### Tide 潮汐

[App page](https://appshunter.io/ios/app/tide/id6792494872)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 潮汐 Plus | $2.99 | per month |
| 潮汐 Plus | $19.99 | per year |


## Frequently asked questions

### Is Cyca free?

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

### Is Tide 潮汐 free?

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

### Do Cyca or Tide 潮汐 have ads?

Neither Cyca nor Tide 潮汐 shows ads.

### Which is updated more often, Cyca or Tide 潮汐?

Cyca ships an update weekly, and Tide 潮汐 every 2 days. Most recently, Cyca was updated on November 5, 2026 and Tide 潮汐 on October 31, 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.*