# Lumen Flow vs Cyca

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

Both are free to download. Cyca sells 1 one-off in-app purchase. Lumen Flow asks for nothing beyond the download.

## The numbers

| Metric | Lumen Flow | Cyca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cyca-period-and-cycle-tracker/id6782251621/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [KEFERN I AMBERIADIS](https://appshunter.io/developer/1893718118) | [Guan Feng Lai](https://appshunter.io/developer/1136144960) |

## What reviewers say

### Lumen Flow

[App page](https://appshunter.io/ios/app/lumen-flow/id6762302424)

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

**In-app purchases:** none


### Cyca

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

Understand your menstrual cycle with this private and intuitive tracker. Log your period and symptoms to receive daily body forecasts and smart predictions for your fertile window and ovulation. Plan your days with gentle guidance and insights into your personal rhythm.

**Highlights:** Daily Body Forecasts, Smart Cycle Predictions, Calm Calendar View, Effortless Logging, Personal Rhythm Insights, Gentle Care Plans, Offline Functionality

**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 |


## Frequently asked questions

### Is Lumen Flow free?

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

### Is Cyca free?

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

### Do Lumen Flow or Cyca have ads?

Neither Lumen Flow nor Cyca shows ads.

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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.*