O'Reilly vs OnSecure eBook Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O'Reilly
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.
- 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
Read full descriptionHide full description
Build the skills you need for the job you have—or the one you want. With the O’Reilly app paired with a membership, you’ll get access to thousands of books, videos, and courses trusted by tech practitioners around the world. Whether you’re a developer, data professional, or technology leader, O’Reilly helps you stay ahead in a rapidly evolving industry. Here are just a few ways you can use the O’Reilly app to learn today’s most critical skills: • Explore the latest in programming, AI, cloud, DevOps, and cybersecurity, with content from the people actually putting the technology to work—plus in-depth content on leadership, soft skills, and much more. • Discover best-selling titles and early releases from leading publishers, all in one digital library built for technology professionals. • Listen to thousands of audiobooks to keep the learning going while you multitask. • Watch live events and training sessions, or dive into 5,000+ courses on-demand. • Use playlists to save and organize content you’re exploring, and share them with your friends and coworkers. • Learn on the go, anywhere, with downloadable content and progress syncing across devices. • Quickly find the resources that will help you solve the problems you encounter in your day-to-day work with AI-powered search, plus AI overviews (with citations) to get up to speed on the basics. Powerful tools to support your learning: • Recommendations based on your interests and history • Playlists to organize the content you want to learn • Deep search to find answers fast across 75K+ titles, 3.7K+ audiobooks, 30K+ hours of video, and much more • Highlights and notes to capture key ideas • Adjustable reading settings including font size and night mode • Playback speed controls for faster learning Get started with one of our most popular skills: • AI and machine learning • Software development and programming • Data engineering and data science • Cloud, DevOps, and infrastructure • Cybersecurity • Product management and leadership The O’Reilly app works best with a membership. Learn more at oreilly.com.
OnSecure eBook Reader
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.
- Interactive eBook reader
- Integrated videos and audio
- Image banks
- Synched audio
- Book download capabilities
- Engaging learning experience
Read full descriptionHide full description
OnSecure is an interactive eBook Reader Application. The App comes in a stunning new design, refreshing eBook Interface, book download capabilities and a host of features to enhance your learning. It seamlessly integrates eBooks with videos, synched audios, image banks and interactivities for an engaging eBook reading experience.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 14, 2026 and October 8, 2026 respectively.
| Parameter | O'Reilly | OnSecure eBook Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (34K ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 46.0% of reviews | — |
| Number of ratings | 34K — better | 1 |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 11.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | O'Reilly Media, Inc. | OnFulfillment Inc. |
Customer experience
O'Reilly
OnSecure eBook Reader
Bugs and requests
O'Reilly
Reported bugs
4 issues- Frequent crashes and freezes
- Unreliable downloads and offline access
- Login issues and loss of progress
- Inconsistent behavior across updates
Requested features
4 requests- Improved bookmarking and note-taking
- Customizable text formatting and layout
- Better search and content discovery
- Seamless sync across devices
OnSecure eBook Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
O'Reilly
No in-app purchases
OnSecure eBook Reader
No in-app purchases
Questions
Is O'Reilly free?
Is OnSecure eBook Reader free?
Which has better reviews, O'Reilly or OnSecure eBook Reader?
Do O'Reilly or OnSecure eBook Reader have ads?
Which is updated more often, O'Reilly or OnSecure eBook Reader?
Other comparisons















