# Lunaletics vs Ferrum

The clearest difference is in-app purchases: Ferrum at none against Lunaletics's 1. Lunaletics's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lunaletics sells 1 in-app purchase, starting at $6.99 per month. Ferrum asks for nothing beyond the download.

Lunaletics ships an update every 3 weeks, Ferrum every 2 months. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Lunaletics | Ferrum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 136 MB | 6 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lunaletics GmbH](https://appshunter.io/developer/1807839797) | [Samer Zumot](https://appshunter.io/developer/1866695772) |

## What reviewers say

### Lunaletics

[App page](https://appshunter.io/ios/app/lunaletics-cycle-syncing-app/id6744465014)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $6.99 | per month |


### Ferrum

[App page](https://appshunter.io/ios/app/ferrum/id6760279502)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lunaletics free?

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

### Is Ferrum free?

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

### Do Lunaletics or Ferrum have ads?

Neither Lunaletics nor Ferrum shows ads.

### Which is updated more often, Lunaletics or Ferrum?

Lunaletics ships an update every 3 weeks, and Ferrum every 2 months. Most recently, Lunaletics was updated on September 8, 2026 and Ferrum on September 10, 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.*