# Lune Line Cycle Tracker vs Herflow

The clearest difference is update cadence: Herflow at daily against Lune Line Cycle Tracker's every 5 days. Lune Line Cycle Tracker's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lune Line Cycle Tracker ships an update every 5 days, Herflow daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lune Line Cycle Tracker | Herflow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lune-line-cycle-tracker/id6737253593/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | Free | — |
| Size | 75 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Sexology Systems LLC](https://appshunter.io/developer/1775616375) | [RUEBEN ANSOLIWEN AKANKOBATENG](https://appshunter.io/developer/1880083403) |

## What reviewers say

### Lune Line Cycle Tracker

[App page](https://appshunter.io/ios/app/lune-line-cycle-tracker/id6737253593)

Easily log your menstrual cycle, receive updated predictions, and get gentle reminders to stay prepared. This private tracker helps reduce the monthly mental load. It is not a medical device and should not be used for contraception.

**Highlights:** Track period dates, View cycle stage, Predict upcoming periods, Receive period reminders, Optional PIN for privacy, Browse period care essentials

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

**In-app purchases:** none


### Herflow

[App page](https://appshunter.io/ios/app/herflow-period-cycle-tracker/id6760529907)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lune Line Cycle Tracker free?

Lune Line Cycle Tracker is free to download, with no in-app purchases.

### Is Herflow free?

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

### Do Lune Line Cycle Tracker or Herflow have ads?

Neither Lune Line Cycle Tracker nor Herflow shows ads.

### Which is updated more often, Lune Line Cycle Tracker or Herflow?

Lune Line Cycle Tracker ships an update every 5 days, and Herflow daily. Most recently, Lune Line Cycle Tracker was updated on October 30, 2026 and Herflow 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.*