# Flowww vs Luna

The clearest difference is in-app purchases: Luna at none against Flowww's 2. Luna also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Flowww sells 2 in-app purchases, starting at $0.99 per month. Luna asks for nothing beyond the download.

Flowww ships an update every 2 months, Luna every 2 days. The most recent releases landed on July 12, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Flowww | Luna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flowww-cycle-support/id6761602866/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 19 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Pablo Peillard](https://appshunter.io/developer/820246535) | [Tyler Thompson](https://appshunter.io/developer/1892404667) |

## What reviewers say

### Flowww

[App page](https://appshunter.io/ios/app/flowww-cycle-support/id6761602866)

This app helps partners understand and support their significant other's menstrual cycle. It provides daily insights into hormonal phases, mood shifts, and actionable advice on what to say, do, and avoid. Features include AI-powered coaching and personalized daily check-ins for improved accuracy.

**Highlights:** Cycle phase estimation, Daily actionable advice, Vibe meter tracking, AI-powered relationship coach, Local data storage, Daily check-ins

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flowww Pro Monthly | $0.99 | per month |
| Flowww Pro Monthly | $9.99 | per year |


### Luna

[App page](https://appshunter.io/ios/app/luna-private-cycle-tracker/id6769168539)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flowww free?

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

### Is Luna free?

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

### Do Flowww or Luna have ads?

Flowww shows ads; Luna does not.

### Which is updated more often, Flowww or Luna?

Flowww ships an update every 2 months, and Luna every 2 days. Most recently, Flowww was updated on July 12, 2026 and Luna on September 20, 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.*