# Smart Notes vs ChatPDF

The clearest difference is ads: ChatPDF at none against Smart Notes's shown. ChatPDF also leads on update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Notes sells 2 in-app purchases, starting at $1.99 per 7 days and ChatPDF sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart Notes ships an update every 2 weeks, ChatPDF daily. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart Notes | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-notes-ai-summary-quiz/id6747636509/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MIA DIGITAL SOLUTIONS](https://appshunter.io/developer/1537335778) | [BERKCAN ARSLAN](https://appshunter.io/developer/1800916861) |

## What reviewers say

### Smart Notes

[App page](https://appshunter.io/ios/app/smart-notes-ai-summary-quiz/id6747636509)

Transform study materials into interactive learning tools. Generate summaries, key points, and custom quizzes from uploaded documents or photos. Get instant answers to your questions with an AI tutor.

**Highlights:** AI-generated summaries, Customizable quizzes, AI Tutor for document questions, Upload PDFs and photos, Light and dark mode, Multi-language support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |


### ChatPDF

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

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

**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 |


## Frequently asked questions

### Is Smart Notes free?

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

### Is ChatPDF free?

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

### Do Smart Notes or ChatPDF have ads?

Smart Notes shows ads; ChatPDF does not.

### Which is updated more often, Smart Notes or ChatPDF?

Smart Notes ships an update every 2 weeks, and ChatPDF daily. Most recently, Smart Notes was updated on November 5, 2026 and ChatPDF on October 30, 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.*