# NoteAtlas vs md Viewer

The clearest difference is in-app purchases: md Viewer at none against NoteAtlas's 2. NoteAtlas's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NoteAtlas sells 2 in-app purchases, starting at $1.99 per month. md Viewer asks for nothing beyond the download.

NoteAtlas ships an update every 6 days, md Viewer every 4 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NoteAtlas | md Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 50 MB | 9 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tirin](https://appshunter.io/developer/1665717789) | [Eric Pierre Bertrand](https://appshunter.io/developer/6806814040) |

## What reviewers say

### NoteAtlas

[App page](https://appshunter.io/ios/app/noteatlas-chat-style-notes/id6751585745)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteAtlas Monthly | $1.99 | per month |
| NoteAtlas Annual | $79.99 | per year |


### md Viewer

[App page](https://appshunter.io/ios/app/md-viewer-markdown/id6806814038)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NoteAtlas free?

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

### Is md Viewer free?

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

### Do NoteAtlas or md Viewer have ads?

Neither NoteAtlas nor md Viewer shows ads.

### Which is updated more often, NoteAtlas or md Viewer?

NoteAtlas ships an update every 6 days, and md Viewer every 4 days. Most recently, NoteAtlas was updated on October 7, 2026 and md Viewer on October 15, 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.*