# Books Reader vs Open Polytechnic Library

The clearest difference is in-app purchases: Open Polytechnic Library at none against Books Reader's 9. Books Reader's advantage is update cadence (every 3 months vs every 43 months) and iOS requirement (15.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Books Reader sells 9 in-app purchases, starting at $1.99 per month. Open Polytechnic Library asks for nothing beyond the download.

Books Reader ships an update every 3 months, Open Polytechnic Library every 43 months. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Books Reader | Open Polytechnic Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (22 ratings)](https://appshunter.io/ios/app/books-reader-pocket-library/id1550557954/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 43 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 43 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Villow](https://appshunter.io/developer/1550558286) | [Stacks Inc.](https://appshunter.io/developer/1275752393) |

## What reviewers say

### Books Reader

[App page](https://appshunter.io/ios/app/books-reader-pocket-library/id1550557954)

This app provides a seamless e-reading experience, managing your ebook collection and offering customizable reading settings. It supports various formats and includes features like bookmarking, note-taking, and a read/unread tracker.

**Highlights:** Supports multiple ebook formats (epub, fb2, mobi, PDF), Manages and organizes ebook collections, Customizable text size, color, theme, and brightness, Progress tracking and bookmarking, Note-taking and excerpt selection, Read/unread book tracker, Filtering and search functionality

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Regular donation | $1.99 | per month |
| Regular donation | $3.99 | per month |
| Regular donation | $5.99 | per month |
| Regular donation | $9.99 | per month |
| Donation | $1.99 | one-time |
| Donation | $3.99 | one-time |
| Donation | $5.99 | one-time |
| Donation | $9.99 | one-time |
| Custom Fonts & Themes | $9.99 | one-time |


### Open Polytechnic Library

[App page](https://appshunter.io/ios/app/open-polytechnic-library/id6443709955)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Books Reader free?

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

### Is Open Polytechnic Library free?

Open Polytechnic Library is free to download, with no in-app purchases.

### Do Books Reader or Open Polytechnic Library have ads?

Neither Books Reader nor Open Polytechnic Library shows ads.

### Which is updated more often, Books Reader or Open Polytechnic Library?

Books Reader ships an update every 3 months, and Open Polytechnic Library every 43 months. Most recently, Books Reader was updated on September 23, 2026 and Open Polytechnic Library on September 30, 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.*