O'Reilly vs Ice Cert Engines
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
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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.
Ice Cert Engines
Prepare for certification exams with a realistic testing experience. This application simulates actual exam conditions using .ICE files. It's designed to help you get accustomed to the pressure and format of certification tests.
- Realistic exam simulation
- Supports .ICE files
- Certification exam preparation
- Simulates real exam environment
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This is an app to help you test with .ICE files. ICE is an exam engine for certification exam preparation. As if taking a real exam.
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Verdict
The clearest difference is review sentiment: O'Reilly at 46% against Ice Cert Engines's 0%. O'Reilly also leads on rating (4.7 vs 2.0) and update cadence (fortnightly vs every 4 months). Ice Cert Engines's advantage is monetization model (free vs subscription) and device support (4 vs 2). On price, ads and in-app purchases 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 2.0. That said, the two scores are not equally well evidenced: O'Reilly has 34K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 46% of O'Reilly's written reviews are positive against 0% of Ice Cert Engines's.
O'Reilly ships an update fortnightly, Ice Cert Engines every 4 months. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.
| Parameter | O'Reilly | Ice Cert Engines |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (34K ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 46.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 34K — better | 4 |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 18.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | O'Reilly Media, Inc. | 爱月 陈 |
Customer experience
O'Reilly
Ice Cert Engines
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
Ice Cert Engines
Not enough reviews yet to summarise bugs or requests.
In-app purchases
O'Reilly
No in-app purchases
Ice Cert Engines
No in-app purchases
Questions
Is O'Reilly free?
Is Ice Cert Engines free?
Which has better reviews, O'Reilly or Ice Cert Engines?
Do O'Reilly or Ice Cert Engines have ads?
Which is updated more often, O'Reilly or Ice Cert Engines?
Other comparisons
