# Charles Note Pro vs AINotes

The clearest difference is iOS requirement: Charles Note Pro at 10.0 against AINotes's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Charles Note Pro ships an update every 9 days, AINotes every 10 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Charles Note Pro | AINotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (9 ratings)](https://appshunter.io/ios/app/ainotes-note-taking-and-pdf/id6770277194/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | — | Free |
| Size | 66 MB | 213 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [cheol gyu kim](https://appshunter.io/developer/1502051558) | [PRODSOFT PTE LTD](https://appshunter.io/developer/1896729840) |

## What reviewers say

### Charles Note Pro

[App page](https://appshunter.io/ios/app/charles-note-pro/id1502051559)

**Features:** macOS Compatibility

**In-app purchases:** none


### AINotes

[App page](https://appshunter.io/ios/app/ainotes-note-taking-and-pdf/id6770277194)

This app offers a natural handwriting experience on an infinite canvas for note-taking and document annotation. Organize study, work, and creative projects with features like multiple layers, split-screen editing, and PDF annotation. It supports various file formats and offers iCloud sync for seamless device transfer.

**Highlights:** Infinite canvas for freeform ideation, Paper-like handwriting with Apple Pencil support, Annotate PDFs, DOCs, PPTs, and ebooks, Multiple layers for complex editing, Split-screen editing for side-by-side notes, OCR for text recognition from scanned documents, iCloud sync across iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is Charles Note Pro free?

Charles Note Pro is free to download, with no in-app purchases.

### Is AINotes free?

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

### Do Charles Note Pro or AINotes have ads?

Neither Charles Note Pro nor AINotes shows ads.

### Which is updated more often, Charles Note Pro or AINotes?

Charles Note Pro ships an update every 9 days, and AINotes every 10 days. Most recently, Charles Note Pro was updated on October 18, 2026 and AINotes on October 28, 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.*