# oMoiD Brain Train vs epiderm.ai

The clearest difference is ads: epiderm.ai at none against oMoiD Brain Train's shown. epiderm.ai also leads on update cadence (every 4 days vs every 3 weeks). oMoiD Brain Train's advantage is iOS requirement (13.4 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

oMoiD Brain Train ships an update every 3 weeks, epiderm.ai every 4 days. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | oMoiD Brain Train | epiderm.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epidermai/id6748700476/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 53 MB | 30 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [Vivi Rusli](https://appshunter.io/developer/1709850023) |

## What reviewers say

### oMoiD Brain Train

[App page](https://appshunter.io/ios/app/omoid-brain-train/id6504432719)

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

**In-app purchases:** none


### epiderm.ai

[App page](https://appshunter.io/ios/app/epidermai/id6748700476)

Decode complex skincare ingredient lists instantly. Understand the function of each component to make informed decisions about your skin health and choose products that best suit your needs.

**Highlights:** Decode ingredient functions, Understand skincare ingredients, Make informed product decisions, Empower skincare journey

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is oMoiD Brain Train free?

oMoiD Brain Train is free to download, with no in-app purchases.

### Is epiderm.ai free?

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

### Do oMoiD Brain Train or epiderm.ai have ads?

oMoiD Brain Train shows ads; epiderm.ai does not.

### Which is updated more often, oMoiD Brain Train or epiderm.ai?

oMoiD Brain Train ships an update every 3 weeks, and epiderm.ai every 4 days. Most recently, oMoiD Brain Train was updated on September 9, 2026 and epiderm.ai on June 1, 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.*