# Ember vs Ferrum

The clearest difference is in-app purchases: Ferrum at none against Ember's 2. Ember's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ember sells 2 in-app purchases, starting at $2.99 per month. Ferrum asks for nothing beyond the download.

Ember ships an update every 5 days, Ferrum every 2 months. The most recent releases landed on August 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Ember | Ferrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/ember-cycle-sync-workouts/id6746421701/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Freemium | — |
| Size | 52 MB | 6 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Nyah Digital LLC](https://appshunter.io/developer/1703398888) | [Samer Zumot](https://appshunter.io/developer/1866695772) |

## What reviewers say

### Ember

[App page](https://appshunter.io/ios/app/ember-cycle-sync-workouts/id6746421701)

This app helps you understand and work with your body's natural hormonal cycles. It offers personalized insights, daily energy tracking, and over 120 workout routines tailored to your cycle phase. It also provides support for pregnancy, postpartum, and perimenopause/menopause.

**Highlights:** Cycle calendar with phase tracking, Period and fertility predictions, Daily energy and insight tracking, Cycle-synced workout routines, Pregnancy and postpartum support, Perimenopause and menopause mode

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Monthly | $4.99 | 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 Ember free?

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

### Is Ferrum free?

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

### Do Ember or Ferrum have ads?

Neither Ember nor Ferrum shows ads.

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

Ember ships an update every 5 days, and Ferrum every 2 months. Most recently, Ember was updated on August 18, 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.*