# Tree Notebook vs Simark

The clearest difference is rating: Simark at 5.0 against Tree Notebook's 4.4. Simark also leads on update cadence (every 2 days vs every 25 months). Tree Notebook's advantage is in-app purchases (none vs 2) and ratings volume (5 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simark sells 2 in-app purchases, starting at $1.19 per month. Tree Notebook asks for nothing beyond the download.

Simark holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Tree Notebook has 5 ratings behind it against 1, so its average is the more settled of the two.

Tree Notebook ships an update every 25 months, Simark every 2 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Tree Notebook | Simark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/tree-notebook/id1335136945/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simark-markdown-notebook/id6456388881/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 7 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Lena Pankratova](https://appshunter.io/developer/390058763) | [冠为 周](https://appshunter.io/developer/1626014918) |

## What reviewers say

### Tree Notebook

[App page](https://appshunter.io/ios/app/tree-notebook/id1335136945)

Organize personal information with a hierarchical notes manager. Structure data into a tree-like hierarchy of folders and notes, with options for public and encrypted private sections. Features include powerful search, customizable item appearance, and event reminders.

**Highlights:** Tree-like hierarchical organization, Public and encrypted private data sections, Attachments (images, files), Multiple data views (tree, list, favorites, history), Powerful search capabilities, Customizable item appearance, Event reminders and calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### Simark

[App page](https://appshunter.io/ios/app/simark-markdown-notebook/id6456388881)

A powerful note-taking application that leverages Markdown for efficient writing and organization. It offers cloud synchronization, distraction-free editing, and internal note linking to enhance productivity across devices.

**Highlights:** Cloud Sync across devices, Distraction-free writing interface, Advanced Markdown formatting, Internal note linking, Share notes on the web, Auto dark theme

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simark Sync | $1.19 | per month |
| Simark Sync | $9.99 | per year |


## Frequently asked questions

### Is Tree Notebook free?

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

### Is Simark free?

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

### Which has better reviews, Tree Notebook or Simark?

Simark is rated higher. Tree Notebook averages 4.4 out of 5 from 5 ratings, while Simark averages 5.0 from 1 ratings.

### Do Tree Notebook or Simark have ads?

Neither Tree Notebook nor Simark shows ads.

### Which is updated more often, Tree Notebook or Simark?

Tree Notebook ships an update every 25 months, and Simark every 2 days. Most recently, Tree Notebook was updated on September 30, 2026 and Simark on October 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.*