# Simbol vs Tree Notebook

The clearest difference is update cadence: Simbol at every 6 months against Tree Notebook's every 25 months. Simbol also leads on ratings volume (25 vs 5) and iOS requirement (7.0 vs 15.6). Tree Notebook's advantage is rating (4.4 vs 4.2). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Simbol has 25 ratings behind it against 5, so its average is the more settled of the two.

Simbol ships an update every 6 months, Tree Notebook every 25 months. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Simbol | Tree Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (25 ratings)](https://appshunter.io/ios/app/simbol/id792334901/reviews) | **[4.4 (5 ratings)](https://appshunter.io/ios/app/tree-notebook/id1335136945/reviews)** |
| Number of ratings | **25** | 5 |
| Positive reviews | 81.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amit Jain](https://appshunter.io/developer/781735738) | [Elena Pankratova](https://appshunter.io/developer/390058763) |

## What reviewers say

### Simbol

[App page](https://appshunter.io/ios/app/simbol/id792334901)

Quickly find and copy universal symbols and their HTML codes. Compose entire equations using an integrated editor and copy them for use in other applications. Access a vast library of symbols, including reserved characters, math symbols, and special characters.

**Highlights:** Symbol library, HTML code lookup, Equation editor, Copy multiple symbols, Keyboard editing, Individual symbol copy

**In-app purchases:** none

**What reviewers like**

- 💡 Useful for finding symbols
- 🚀 Quick symbol access
- 👍 Simple and efficient
- ✨ Beautiful user interface
- ⏱️ Huge time saver

**What reviewers complain about**

- ⏳ App seems abandoned
- 🐛 Search function broken
- 🥶 Constantly freezes
- ⌨️ Keyboard issues
- 🤷 Missing symbols

**Reported bugs**

- Search function no longer works
- Constantly freezes
- iOS keyboard never appears
- Search box moves up and disappears
- Typo in 'cirle star'

**Requested features**

- Update the app
- Fix search function
- Improve keyboard functionality
- Add more symbols
- Support for non-American English


### 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


## Frequently asked questions

### Is Simbol free?

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

### Is Tree Notebook free?

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

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

Tree Notebook is rated higher. Simbol averages 4.2 out of 5 from 25 ratings, while Tree Notebook averages 4.4 from 5 ratings.

### Do Simbol or Tree Notebook have ads?

Neither Simbol nor Tree Notebook shows ads.

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

Simbol ships an update every 6 months, and Tree Notebook every 25 months. Most recently, Simbol was updated on September 18, 2026 and Tree Notebook on September 12, 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.*