# O'Reilly vs OnSecure eBook Reader

The clearest difference is rating: O'Reilly at 4.7 against OnSecure eBook Reader's 1.0. O'Reilly also leads on ratings volume (34K vs 1) and update cadence (fortnightly vs every 2 months). OnSecure eBook Reader's advantage is monetization model (free vs subscription) and iOS requirement (11.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

O'Reilly holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: O'Reilly has 34K ratings behind it against 1, so its average is the more settled of the two.

O'Reilly ships an update fortnightly, OnSecure eBook Reader every 2 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | O'Reilly | OnSecure eBook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34K ratings)](https://appshunter.io/ios/app/oreilly/id881697395/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683/reviews) |
| Number of ratings | **34K** | 1 |
| Positive reviews | 46.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 64 MB | 108 MB |
| Requires iOS | 18.5 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [O'Reilly Media, Inc.](https://appshunter.io/developer/312570215) | [OnFulfillment Inc.](https://appshunter.io/developer/1699207607) |

## What reviewers say

### O'Reilly

[App page](https://appshunter.io/ios/app/oreilly/id881697395)

Access a vast library of expert-led books, videos, and courses on business and technology trends. Learn online or offline, sync progress across devices, and personalize your reading experience. Discover and organize content with playlists for easy access.

**Highlights:** Offline access to books, videos, and courses, Cross-device progress syncing, Content discovery and playlist creation, Personalized text display and night mode, Search across all learning materials, External keyboard support

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great resource for learning
- 👍 Excellent content and library
- 💡 Helpful features like playlists
- 🚀 Offline reading and downloads

**What reviewers complain about**

- 🐛 Buggy app with crashes and issues
- 👎 Poor reading experience and navigation
- 🔒 Frequent login issues
- 👎 Inconsistent sync across devices

**Reported bugs**

- Frequent crashes and freezes
- Unreliable downloads and offline access
- Login issues and loss of progress
- Inconsistent behavior across updates

**Requested features**

- Improved bookmarking and note-taking
- Customizable text formatting and layout
- Better search and content discovery
- Seamless sync across devices


### OnSecure eBook Reader

[App page](https://appshunter.io/ios/app/onsecure-ebook-reader/id6453166683)

This application offers an interactive eBook reading experience with a fresh design. It integrates books with videos, audio, images, and interactive elements to enhance learning and engagement.

**Highlights:** Interactive eBook reader, Integrated videos and audio, Image banks, Synched audio, Book download capabilities, Engaging learning experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O'Reilly free?

O'Reilly is free to download, with no in-app purchases.

### Is OnSecure eBook Reader free?

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

### Which has better reviews, O'Reilly or OnSecure eBook Reader?

O'Reilly is rated higher. O'Reilly averages 4.7 out of 5 from 34K ratings, while OnSecure eBook Reader averages 1.0 from 1 ratings.

### Do O'Reilly or OnSecure eBook Reader have ads?

Neither O'Reilly nor OnSecure eBook Reader shows ads.

### Which is updated more often, O'Reilly or OnSecure eBook Reader?

O'Reilly ships an update fortnightly, and OnSecure eBook Reader every 2 months. Most recently, O'Reilly was updated on October 15, 2026 and OnSecure eBook Reader 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.*