# MindPen vs Notes Den

The clearest difference is in-app purchases: Notes Den at none against MindPen's 3. MindPen's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. MindPen sells 3 in-app purchases, starting at $4.99 per month. Notes Den asks for nothing beyond the download.

MindPen ships an update every 6 days, Notes Den every 5 days. Both last shipped on September 30, 2026.

## The numbers

| Metric | MindPen | Notes Den |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Size | 36 MB | 43 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOBIZATE](https://appshunter.io/developer/1885913602) | [Den Digital LLC](https://appshunter.io/developer/1882372039) |

## What reviewers say

### MindPen

[App page](https://appshunter.io/ios/app/mindpenmind-map-brainstorming/id6773913398)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindPen Premium Monthly | $4.99 | per month |
| MindPen Premium Yearly | $19.99 | per year |
| MindPen Premium Lifetime | $49.99 | one-time |


### Notes Den

[App page](https://appshunter.io/ios/app/notes-den/id6778819317)

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

**In-app purchases:** none


## Frequently asked questions

### Is MindPen free?

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

### Is Notes Den free?

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

### Do MindPen or Notes Den have ads?

Neither MindPen nor Notes Den shows ads.

### Which is updated more often, MindPen or Notes Den?

MindPen ships an update every 6 days, and Notes Den every 5 days. Most recently, MindPen was updated on September 30, 2026 and Notes Den on September 30, 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.*