# Pdf Studio vs AI Note Taker

The clearest difference is in-app purchases: Pdf Studio at none against AI Note Taker's 3. Pdf Studio also leads on iOS requirement (15.5 vs 18.0). AI Note Taker's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. AI Note Taker sells 3 in-app purchases, starting at $5.99 per 7 days. Pdf Studio asks for nothing beyond the download.

Pdf Studio ships an update every 3 weeks, AI Note Taker fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pdf Studio | AI Note Taker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ai-note-taker-voicebook/id6760608861/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 55 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satyam Sahu](https://appshunter.io/developer/1608998714) | [Md Mehedi Hasan](https://appshunter.io/developer/1832524975) |

## What reviewers say

### Pdf Studio

[App page](https://appshunter.io/ios/app/pdf-studio-reader-and-listener/id1608998712)

**Features:** Vision Pro support

**In-app purchases:** none


### AI Note Taker

[App page](https://appshunter.io/ios/app/ai-note-taker-voicebook/id6760608861)

Effortlessly transform voice recordings, lectures, meetings, and YouTube videos into organized, searchable notes. This AI-powered tool transcribes, summarizes, and generates study aids like quizzes and flashcards, saving you time and enhancing comprehension.

**Highlights:** AI-powered transcription and summarization, Record lectures, meetings, and voice memos, Transcribe YouTube videos and audio files, Generate quizzes and flashcards, Translate notes into 80+ languages, Speaker detection and timestamping, Local storage for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoiceBook AI Pro 1 week | $5.99 | per 7 days |
| VoiceBook AI Pro 1 month | $14.99 | per month |
| VoiceBook AI Pro 1 Year | $69.99 | per year |


## Frequently asked questions

### Is Pdf Studio free?

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

### Is AI Note Taker free?

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

### Do Pdf Studio or AI Note Taker have ads?

Pdf Studio shows ads; AI Note Taker does not.

### Which is updated more often, Pdf Studio or AI Note Taker?

Pdf Studio ships an update every 3 weeks, and AI Note Taker fortnightly. Most recently, Pdf Studio was updated on October 25, 2026 and AI Note Taker on October 31, 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.*