# iSlim vs Ember

The clearest difference is in-app purchases: iSlim at none against Ember's 3. iSlim also leads on iOS requirement (11.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ember sells 3 in-app purchases, starting at $1.99 per month. iSlim asks for nothing beyond the download.

iSlim ships an update every 10 days, Ember weekly. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | iSlim | Ember |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/islim-control-your-weight/id1597628222/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free | — |
| Size | 33 MB | 4 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Iryna Batvina](https://appshunter.io/developer/1537251031) | [AppConsult](https://appshunter.io/developer/1818576565) |

## What reviewers say

### iSlim

[App page](https://appshunter.io/ios/app/islim-control-your-weight/id1597628222)

This app focuses on understanding your body's metabolism to achieve weight loss goals. It provides insights into how healthy food, sleep, and hydration impact your weight, offering recipes and articles to support habit development.

**Highlights:** Metabolism maximization guidance, Healthy eating habit development, Weight and body measurement tracking, Healthy recipes and articles, Apple Health integration, Friend weight loss challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Ember

[App page](https://appshunter.io/ios/app/ember-menopause-tracker/id6760240954)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ember Premium Monthly | $1.99 | per month |
| Ember Premium Annual | $9.99 | per year |
| Ember Premium Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is iSlim free?

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

### Is Ember free?

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

### Do iSlim or Ember have ads?

Neither iSlim nor Ember shows ads.

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

iSlim ships an update every 10 days, and Ember weekly. Most recently, iSlim was updated on October 18, 2026 and Ember on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*