# Reader Pro vs AI PDF Reader

The clearest difference is in-app purchases: Reader Pro at none against AI PDF Reader's 4. AI PDF Reader's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 17). On price, update cadence and ads there is nothing between them.

Both are free to download. AI PDF Reader sells 4 in-app purchases, starting at $0.99 per month. Reader Pro asks for nothing beyond the download.

Reader Pro ships an update every 3 weeks, AI PDF Reader every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reader Pro | AI PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/reader-pro-files-reader/id6757321965/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 226 MB |
| Requires iOS | 17 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 12+ |
| Developer | [Ecologicalm UAB](https://appshunter.io/developer/1858935420) | [Software Tailor (HK) Limited](https://appshunter.io/developer/6776648111) |

## What reviewers say

### Reader Pro

[App page](https://appshunter.io/ios/app/reader-pro-files-reader/id6757321965)

This app offers a private, offline-first reading experience for ebooks, PDFs, and audiobooks. It features a minimalist interface, multiple reading styles, and optional iCloud sync for seamless library management across devices.

**Highlights:** Powerful EPUB ebook reader, Fast PDF reader, Built-in audiobook player, Offline reading and listening, Optional iCloud synchronization, Minimalist, distraction-free interface

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

**In-app purchases:** none


### AI PDF Reader

[App page](https://appshunter.io/ios/app/ai-pdf-reader-on-device/id6779994987)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Personal - Monthly | $0.99 | per month |
| Pro Business - Monthly | $4.99 | per month |
| Pro Personal - Yearly | $9.99 | per year |
| Pro Business - Yearly | $49.99 | per year |


## Frequently asked questions

### Is Reader Pro free?

Reader Pro is free to download, with no in-app purchases.

### Is AI PDF Reader free?

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

### Do Reader Pro or AI PDF Reader have ads?

Neither Reader Pro nor AI PDF Reader shows ads.

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

Reader Pro ships an update every 3 weeks, and AI PDF Reader every 2 weeks. Most recently, Reader Pro was updated on October 28, 2026 and AI PDF Reader on October 25, 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.*