# AI Notebook vs ChatPDF

AI Notebook and ChatPDF both sit at 4.6 stars, but that hides the real split: 45% of AI Notebook's written reviews are positive against 0% of ChatPDF's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. AI Notebook sells 10 in-app purchases, starting at $9.99 per 7 days and ChatPDF sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for AI Notebook against 4.6 for ChatPDF. Both are backed by a comparable volume of ratings — 185 and 86 respectively. Written reviews are what separate them: 45% of AI Notebook's written reviews are positive against 0% of ChatPDF's.

AI Notebook ships an update weekly, ChatPDF every 4 days. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | AI Notebook | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (185 ratings)](https://appshunter.io/ios/app/ai-notebook-smart-note-taker/id6737346766/reviews) | [4.6 (86 ratings)](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061/reviews) |
| Number of ratings | **185** | 86 |
| Positive reviews | **45.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 124 MB | 41 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [APTE Ltd](https://appshunter.io/developer/1675202009) | [ChatPDF GmbH](https://appshunter.io/developer/1711436087) |

## What reviewers say

### AI Notebook

[App page](https://appshunter.io/ios/app/ai-notebook-smart-note-taker/id6737346766)

This app uses AI to transcribe meetings, summarize lectures and documents, and organize notes. It allows users to chat with their content, convert voice notes to text, and generate study materials. Seamlessly sync and export notes across devices for enhanced productivity.

**Highlights:** AI meeting transcription, LLM-powered summaries, Chat with content, Voice notes to text, Flashcard generation, Multi-modal input support

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $69.99 | per year |
| Yearly Premium | $89.99 | per year |
| Yearly | $119.99 | per year |
| 10 Credits | $4.99 | one-time |
| 25 Credits | $9.99 | one-time |
| 55 Credits | $19.99 | one-time |
| 150 Credits | $49.99 | one-time |
| Lifetime Premium | $99.99 | one-time |

**What reviewers like**

- 👍 Good
- 👍 Effectively helped with course notes transcription
- 👍 Provides good summarization function
- 👍 Useful software
- 👍 Great note-taking tool

**What reviewers complain about**

- 🐛 AI unable to align with real-time
- 🐛 Generates nonsensical content
- 🐛 Recording and analysis not working
- 🐛 Sync issues between devices
- 🐛 Paid version has less functionality than free version

**Reported bugs**

- Recording not working
- Summarization not working
- Frequent crashes
- Incompatible with older devices

**Requested features**

- Ability to load files and images
- Cross-platform support (Mac, Web)
- Improved language support (multilingual)


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-chat-pdf-ai/id6742454061)

This AI-powered tool allows you to ask questions and get summaries directly from your PDF documents. It supports multiple files, OCR, and multilingual interactions, making complex information easily accessible.

**Highlights:** Instant answers from PDFs, Quick document summaries, Chat with multiple PDFs, OCR for scanned documents, Multilingual support, Cross-device access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus Subscription | $14.99 | per month |
| ChatPDF Yearly Plus Plan | $89.99 | per year |


## Frequently asked questions

### Is AI Notebook free?

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

### Is ChatPDF free?

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

### Which has better reviews, AI Notebook or ChatPDF?

AI Notebook and ChatPDF are both rated 4.6 out of 5 on the App Store, from 185 and 86 ratings respectively.

### Do AI Notebook or ChatPDF have ads?

Both AI Notebook and ChatPDF show ads.

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

AI Notebook ships an update weekly, and ChatPDF every 4 days. Most recently, AI Notebook was updated on September 26, 2026 and ChatPDF on September 21, 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.*