# PDF Reader vs AI Note Taker

PDF Reader and AI Note Taker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. PDF Reader sells 1 in-app purchase, starting at $19.99 per 7 days and AI Note Taker sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update every 4 days, AI Note Taker every 6 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PDF Reader | AI Note Taker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/pdf-reader-smart-reader/id6756703231/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 85 MB | 108 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [truong nguyen xuan](https://appshunter.io/developer/552933291) | [AMOBEAR GROUP](https://appshunter.io/developer/1847584036) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-smart-reader/id6756703231)

This app is a fast and lightweight document viewer for PDF, Word, Excel, and PowerPoint files. It offers smart file management, offline access, and easy sharing, making it ideal for students and professionals. Enjoy a seamless reading experience with features like search, bookmarks, and dark mode.

**Highlights:** All-in-one document viewer (PDF, DOCX, XLSX, PPTX, TXT), Smart file manager, Offline document access, Fast and smooth performance, Search and bookmarking, Dark mode support, Easy document sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription - 1 week | $19.99 | per 7 days |


### AI Note Taker

[App page](https://appshunter.io/ios/app/ai-note-taker-audio-summary/id6772051245)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $9.99 | per 7 days |
| Premium Monthly | $19.99 | per month |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is AI Note Taker free?

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

### Do PDF Reader or AI Note Taker have ads?

Both PDF Reader and AI Note Taker show ads.

### Which is updated more often, PDF Reader or AI Note Taker?

PDF Reader ships an update every 4 days, and AI Note Taker every 6 days. Most recently, PDF Reader was updated on October 9, 2026 and AI Note Taker on October 7, 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.*