# SimpleDraw vs AI Notebook

The clearest difference is in-app purchases: SimpleDraw at none against AI Notebook's 2. SimpleDraw also leads on device support (4 vs 1). AI Notebook's advantage is update cadence (every 5 weeks vs every 199 months). On price and iOS requirement there is nothing between them.

Both are free to download. AI Notebook sells 2 in-app purchases, starting at $9.99 per 7 days. SimpleDraw asks for nothing beyond the download.

SimpleDraw ships an update every 199 months, AI Notebook every 5 weeks. The most recent releases landed on September 18, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | SimpleDraw | AI Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 199 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 13 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Li](https://appshunter.io/developer/312257246) | [Amor Tecnology Limited](https://appshunter.io/developer/1813791097) |

## What reviewers say

### SimpleDraw

[App page](https://appshunter.io/ios/app/simpledraw/id312257243)

This intuitive drawing app offers a clean, distraction-free canvas for unleashing creativity. Redesigned for the modern era, it features a floating menu for easy access to tools and allows users to save and share their artwork.

**Highlights:** Distraction-free canvas, Intuitive drawing tools, Adjustable line width, Save and share artwork, Modern interface

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple, fast, and efficient
- 👍 Straightforward interface
- 👍 Great for quick sketching and note-taking
- 👍 Responsive and follows finger well
- 👍 Useful for various purposes like lectures, ideas, etc.

**What reviewers complain about**

- 🔍 Limited color palette
- 🐛 Drawings not saved automatically
- 🐛 Shake to erase feature too sensitive
- 🔍 Difficulty drawing at the bottom of the screen

**Reported bugs**

- Drawings disappear when app is closed without saving
- Difficulty remembering gesture to access second page

**Requested features**

- More color options
- Ability to load and edit saved drawings
- Option to draw on photos from the album
- Additional drawing tools like shapes, lines, etc.


### AI Notebook

[App page](https://appshunter.io/ios/app/ai-notebook-note-taking-app/id6747331670)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notebook AI Pro Weekly | $9.99 | per 7 days |
| Notebook AI Pro Yearly | $89.99 | per year |


## Frequently asked questions

### Is SimpleDraw free?

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

### Is AI Notebook free?

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

### Which is updated more often, SimpleDraw or AI Notebook?

SimpleDraw ships an update every 199 months, and AI Notebook every 5 weeks. Most recently, SimpleDraw was updated on September 18, 2026 and AI Notebook on May 18, 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.*