# skeleton md editer vs Cortex

The clearest difference is in-app purchases: skeleton md editer at none against Cortex's 3. skeleton md editer also leads on iOS requirement (12.0 vs 16.4). Cortex's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Cortex sells 3 in-app purchases, starting at $6.99 per month. skeleton md editer asks for nothing beyond the download.

skeleton md editer ships an update every 3 months, Cortex every 5 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | skeleton md editer | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 66 MB | 78 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [kazuya koshiyama](https://appshunter.io/developer/1477982094) | [Dmitry Afanasyev](https://appshunter.io/developer/1788884993) |

## What reviewers say

### skeleton md editer

[App page](https://appshunter.io/ios/app/skeleton-md-editer/id1480465771)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-ai-focus-timer/id6759869031)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Focus Timer Premium | $6.99 | per month |
| AI Focus Timer Premium | $49.99 | per year |
| AI Focus Timer Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is skeleton md editer free?

skeleton md editer is free to download, with no in-app purchases.

### Is Cortex free?

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

### Do skeleton md editer or Cortex have ads?

skeleton md editer shows ads; Cortex does not.

### Which is updated more often, skeleton md editer or Cortex?

skeleton md editer ships an update every 3 months, and Cortex every 5 days. Most recently, skeleton md editer was updated on October 29, 2026 and Cortex on October 24, 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.*