# ChatPDF vs Notebook Scanner

The clearest difference is update cadence: ChatPDF at every 2 days against Notebook Scanner's weekly. ChatPDF also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChatPDF sells 3 in-app purchases, starting at $4.99 per 7 days and Notebook Scanner sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ChatPDF ships an update every 2 days, Notebook Scanner weekly. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ChatPDF | Notebook Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 12 MB | 2 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [BERKCAN ARSLAN](https://appshunter.io/developer/1800916861) | [MATTHEW EARL ALVARO](https://appshunter.io/developer/1846946775) |

## What reviewers say

### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-ai-pdf-summarizer/id6755740497)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatPDF Weekly Subscription | $4.99 | per 7 days |
| ChatPDF Monthly Subscription | $9.99 | per month |
| ChatPDF Yearly Subscription | $59.99 | per year |


### Notebook Scanner

[App page](https://appshunter.io/ios/app/notebook-scanner/id6756455416)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notebook Scanner Pro | $2.99 | per month |
| Notebook Scanner Pro (Annual) | $29.99 | per year |


## Frequently asked questions

### Is ChatPDF free?

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

### Is Notebook Scanner free?

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

### Do ChatPDF or Notebook Scanner have ads?

Neither ChatPDF nor Notebook Scanner shows ads.

### Which is updated more often, ChatPDF or Notebook Scanner?

ChatPDF ships an update every 2 days, and Notebook Scanner weekly. Most recently, ChatPDF was updated on September 22, 2026 and Notebook Scanner on September 10, 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.*