# PDF Book Reader vs Mindpin

The clearest difference is ads: Mindpin at none against PDF Book Reader's shown. Mindpin also leads on update cadence (every 2 days vs every 5 days). PDF Book Reader's advantage is iOS requirement (13.0 vs 17.0). On price, 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 Mindpin sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Book Reader ships an update every 5 days, Mindpin every 2 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Book Reader | Mindpin |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [B TO J PTY LTD](https://appshunter.io/developer/569308231) | [Burak Gemiciolu](https://appshunter.io/developer/6804560919) |

## 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 |


### Mindpin

[App page](https://appshunter.io/ios/app/mindpin-sesli-not/id6804560617)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $0.99 | per month |
| Pro | $1.99 | per month |
| Plus | $6.99 | per year |
| Pro | $17.99 | per year |


## Frequently asked questions

### Is PDF Book Reader free?

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

### Is Mindpin free?

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

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

PDF Book Reader shows ads; Mindpin does not.

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

PDF Book Reader ships an update every 5 days, and Mindpin every 2 days. Most recently, PDF Book Reader was updated on October 27, 2026 and Mindpin 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.*