# Tree Notebook vs Demka

The clearest difference is update cadence: Demka at every 10 days against Tree Notebook's every 25 months. Tree Notebook's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tree Notebook ships an update every 25 months, Demka every 10 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Tree Notebook | Demka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/tree-notebook/id1335136945/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Lena Pankratova](https://appshunter.io/developer/390058763) | [Denys Skvortsov](https://appshunter.io/developer/1895667783) |

## 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


### Demka

[App page](https://appshunter.io/ios/app/demka/id6772761989)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tree Notebook free?

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

### Is Demka free?

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

### Do Tree Notebook or Demka have ads?

Neither Tree Notebook nor Demka shows ads.

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

Tree Notebook ships an update every 25 months, and Demka every 10 days. Most recently, Tree Notebook was updated on October 16, 2026 and Demka on October 8, 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.*