# IsI Notebook vs Note X

The clearest difference is rating: Note X at 4.6 against IsI Notebook's 2.8. Note X also leads on update cadence (every 10 months vs every 20 months). IsI Notebook's advantage is ads (none vs shown) and iOS requirement (8.0 vs 14.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. IsI Notebook sells 2 one-off in-app purchases and Note X sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Note X holds the better App Store score, 4.6 against 2.8. Both are backed by a comparable volume of ratings — 12 and 23 respectively.

IsI Notebook ships an update every 20 months, Note X every 10 months. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | IsI Notebook | Note X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (12 ratings)](https://appshunter.io/ios/app/isi-notebook/id967009664/reviews) | **[4.6 (23 ratings)](https://appshunter.io/ios/app/note-x-notepad/id1673667097/reviews)** |
| Number of ratings | 12 | **23** |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 10 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 30 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominic Barra](https://appshunter.io/developer/891093115) | [受杰 柯](https://appshunter.io/developer/1634142370) |

## What reviewers say

### IsI Notebook

[App page](https://appshunter.io/ios/app/isi-notebook/id967009664)

This app allows users to quickly write and read notes on two different notepads simultaneously on a single screen. Additional features like more notepads, font customization, and ad removal are available through in-app purchases.

**Highlights:** Simultaneous note-taking on two screens, Rapid data storage and retrieval, Expandable to 6 notepads, Customizable font size and style, Ad removal option

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Functions | $0.99 | one-time |
| No Ads | $0.99 | one-time |


### Note X

[App page](https://appshunter.io/ios/app/note-x-notepad/id1673667097)

A versatile note-taking app for digital and handwritten notes, memos, and drafts. Organize study materials with built-in notebooks, insert images, and customize writing styles. Secure your notes with password protection.

**Highlights:** Keyboard and handwriting input, Built-in notebooks for organization, Insert pictures into notes, Customizable paper and font colors, Password protection and encryption, Share notes as images

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Version | $1.99 | per month |
| Plus Version Quarterly | $3.99 | per 3 months |
| Pro Version | $6.99 | one-time |


## Frequently asked questions

### Is IsI Notebook free?

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

### Is Note X free?

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

### Which has better reviews, IsI Notebook or Note X?

Note X is rated higher. IsI Notebook averages 2.8 out of 5 from 12 ratings, while Note X averages 4.6 from 23 ratings.

### Do IsI Notebook or Note X have ads?

Note X shows ads; IsI Notebook does not.

### Which is updated more often, IsI Notebook or Note X?

IsI Notebook ships an update every 20 months, and Note X every 10 months. Most recently, IsI Notebook was updated on September 24, 2026 and Note X 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.*