# Simple Cycle vs Luna

The clearest difference is update cadence: Luna at every 2 days against Simple Cycle's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Cycle sells 1 one-off in-app purchase and Luna sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Simple Cycle ships an update every 3 months, Luna every 2 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Simple Cycle | Luna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-cycle-period-tracker/id6757202305/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 4 MB | 19 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CORELIFT LLC](https://appshunter.io/developer/1865246948) | [Thompson Software LLC](https://appshunter.io/developer/1892404667) |

## What reviewers say

### Simple Cycle

[App page](https://appshunter.io/ios/app/simple-cycle-period-tracker/id6757202305)

This private period tracker keeps all your sensitive health data securely on your device. Log your cycle, track symptoms, and receive accurate predictions without any cloud syncing or account creation. Enjoy a simple, secure, and private experience for managing your menstrual health.

**Highlights:** Local-only data storage, Cycle calendar with fertile window indicator, Smart predictions based on logs, Quick logging for flow, cramps, mood, Face ID/Touch ID app lock, CSV data export, One-time purchase

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Own it Forever! | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is Simple Cycle free?

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

### Is Luna free?

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

### Do Simple Cycle or Luna have ads?

Neither Simple Cycle nor Luna shows ads.

### Which is updated more often, Simple Cycle or Luna?

Simple Cycle ships an update every 3 months, and Luna every 2 days. Most recently, Simple Cycle was updated on October 15, 2026 and Luna on October 4, 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.*