# Luna vs Emberly Private Period Tracker

Luna and Emberly Private Period Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Luna sells 2 in-app purchases, starting at $6.99 per month and Emberly Private Period Tracker sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Luna ships an update every 2 months, Emberly Private Period Tracker every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Luna | Emberly Private Period Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emberly-private-period-tracker/id6793260032/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 7 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Thompson Software LLC](https://appshunter.io/developer/1892404667) | [Furstenburg Digital LLC](https://appshunter.io/developer/6777208880) |

## What reviewers say

### Luna

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


### Emberly Private Period Tracker

[App page](https://appshunter.io/ios/app/emberly-private-period-tracker/id6793260032)

This app helps you track your menstrual cycle privately and securely on your device. It predicts your period and fertile window, logs daily details like mood and symptoms, and provides insights into your cycle patterns. All data is stored locally with no account or cloud required.

**Highlights:** Period and fertile window prediction, Daily logging of flow, mood, and symptoms, Cycle pattern analysis, Discreet period start reminders, Face ID/PIN lock, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-day Trial | Free | one-time |
| Emberly Forever | $9.99 | one-time |


## Frequently asked questions

### Is Luna free?

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

### Is Emberly Private Period Tracker free?

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

### Do Luna or Emberly Private Period Tracker have ads?

Neither Luna nor Emberly Private Period Tracker shows ads.

### Which is updated more often, Luna or Emberly Private Period Tracker?

Luna ships an update every 2 months, and Emberly Private Period Tracker every 6 weeks. Most recently, Luna was updated on October 31, 2026 and Emberly Private Period Tracker 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.*