O'Reilly vs DrOmarAljaber
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 tech books, videos, and courses to build in-demand skills. Stay current with the latest in programming, AI, cloud, and more. Learn on the go with offline downloads and progress syncing.
- Thousands of books, videos, and courses
- Content on programming, AI, cloud, DevOps, cybersecurity
- Audiobooks for multitasking
- Live events and on-demand training
- Playlists for content organization
- Offline downloads and progress syncing
- AI-powered search and overviews
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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.
DrOmarAljaber
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Dr. Omar is a specialized consultant and expert in future exploration, innovation, and strategic design that meets the requirements to achieve the national agenda of the United Arab Emirates' Vision 2021 and the UAE Centennial 2071, as well as the requirements of the Fourth Generation System in Government Excellence, Government Accelerators, and the State's Innovation Strategy. In addition, I am a specialized trainer in future exploration, building strategic and operational plans, innovative change workshops, and designing government services aimed at achieving the success of smart cities. I am an expert and consultant in training strategies and developing and growing institutional work for more than 20 years, working with major Arab and international institutions as a strategic consultant and trainer in both the public and private sectors.
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Verdict
The clearest difference is update cadence: DrOmarAljaber at daily against O'Reilly's fortnightly. DrOmarAljaber also leads on iOS requirement (12.0 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 ships an update fortnightly, DrOmarAljaber daily. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | O'Reilly | DrOmarAljaber |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (34K ratings) — better | — |
| Positive reviews | 46.5% of reviews | — |
| Number of ratings | 34K — better | — |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.5 | 12.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | O'Reilly Media, Inc. | AHMAD GHALEB |
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
DrOmarAljaber
Not enough reviews yet to summarise bugs or requests.
In-app purchases
O'Reilly
No in-app purchases
DrOmarAljaber
No in-app purchases





