# PureOpen vs DeepNote

The clearest difference is in-app purchases: PureOpen at none against DeepNote's 3. PureOpen also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). DeepNote's advantage is update cadence (daily vs weekly). On price and ads there is nothing between them.

Both are free to download. DeepNote sells 3 in-app purchases, starting at $0.99 per month. PureOpen asks for nothing beyond the download.

PureOpen ships an update weekly, DeepNote daily. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PureOpen | DeepNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deepnote-markdown-notes/id6807040807/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free |
| Size | 5 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yechiel Ben David](https://appshunter.io/developer/1863307655) | [云强 林](https://appshunter.io/developer/6798907020) |

## What reviewers say

### PureOpen

[App page](https://appshunter.io/ios/app/pureopen-markdown-editor/id6800787472)

**Features:** Vision Pro support

**In-app purchases:** none


### DeepNote

[App page](https://appshunter.io/ios/app/deepnote-markdown-notes/id6807040807)

A focused writing and organization tool for Markdown notes, journals, and plain text. Capture ideas with speech-to-text, track changes with version history, and export to various formats. Organize your library with folders and access protection.

**Highlights:** Markdown and plain text editing, Speech to Text input, Version History tracking, Folder organization, Export to Word and PDF, Password/Biometric folder protection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeepNote Pro Monthly | $0.99 | per month |
| DeepNote Pro Yearly | $9.99 | per year |
| DeepNote Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is PureOpen free?

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

### Is DeepNote free?

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

### Do PureOpen or DeepNote have ads?

Neither PureOpen nor DeepNote shows ads.

### Which is updated more often, PureOpen or DeepNote?

PureOpen ships an update weekly, and DeepNote daily. Most recently, PureOpen was updated on September 23, 2026 and DeepNote on September 16, 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.*