# PDF Book Reader vs Lector

The clearest difference is update cadence: PDF Book Reader at every 5 days against Lector's every 3 weeks. PDF Book Reader also leads on iOS requirement (13.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month and Lector sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Book Reader ships an update every 5 days, Lector every 3 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PDF Book Reader | Lector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (32 ratings)](https://appshunter.io/ios/app/pdf-book-reader/id1576631236/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 63.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 10 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [B TO J PTY LTD](https://appshunter.io/developer/569308231) | [Marlon Geovany Castro Mejia](https://appshunter.io/developer/1869889977) |

## What reviewers say

### PDF Book Reader

[App page](https://appshunter.io/ios/app/pdf-book-reader/id1576631236)

Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.

**Highlights:** Natural PDF reading and navigation, PDF bookmarking and annotation, Text search and OCR extraction, PDF merging and page rearrangement, Cloud storage integration (Google Drive, Dropbox, iCloud), File import and export via cloud and Files app, PDF sharing and printing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $3.99 | per month |
| 1 Year Subscription | $28.99 | per year |


### Lector

[App page](https://appshunter.io/ios/app/lector-clean-reading/id6757951061)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lector Pro Access (Monthly) | $5.99 | per month |
| Lectro Pro Access (Yearly) | $59.99 | per year |
| Early Founder Access | $99.99 | one-time |


## Frequently asked questions

### Is PDF Book Reader free?

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

### Is Lector free?

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

### Do PDF Book Reader or Lector have ads?

Both PDF Book Reader and Lector show ads.

### Which is updated more often, PDF Book Reader or Lector?

PDF Book Reader ships an update every 5 days, and Lector every 3 weeks. Most recently, PDF Book Reader was updated on October 15, 2026 and Lector on October 8, 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.*