Comparison

O'Reilly vs AWS Certification Exam Prep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

AWS Certification Exam Prep

Features
Read full description

AWS Certification Exam Prep brings practice for 12 AWS certification paths into one independent study app. Choose a certification, work through focused exam sets, review explanations, and follow your results over time. The catalog contains 348 practice exam sets and 22,140 original practice questions across Foundational, Business, Associate, Professional, and Specialty paths. CHOOSE YOUR CERTIFICATION PATH: Foundational: • Cloud Practitioner — CLF-C02 • AI Practitioner — AIF-C01 Business: • AI Business Strategist — AIB-C01 Associate: • Solutions Architect — SAA-C03 • Developer — DVA-C02 • Data Engineer — DEA-C01 • Machine Learning Engineer — MLA-C01 • CloudOps Engineer — SOA-C03 Professional: • Solutions Architect — SAP-C02 • DevOps Engineer — DOP-C02 • Generative AI Developer — AIP-C01 Specialty: • Security — SCS-C03 STUDY YOUR WAY: • Practice questions in a clear, focused exam flow • Move between questions and return to unanswered items • Review explanations after answering • Save useful questions and revisit them later • Continue from your latest study position UNDERSTAND YOUR PROGRESS: • View progress across every exam set • Open detailed reports for completed attempts • Filter question results by correct, incorrect, unanswered, or saved status • Return directly to individual questions from a report • Retake an exam when you are ready to try again BUILD A ROUTINE: • Set optional study reminders for the days and local time that suit you. PREMIUM ACCESS: • Try the first five questions in each of the first three exam sets. An auto-renewing Premium subscription unlocks the complete question catalog. Available plans and prices are shown in the app before purchase. Manage or cancel your subscription through your store account. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

O'Reilly4 screens
AWS Certification Exam Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: O'Reilly at none against AWS Certification Exam Prep's 3. O'Reilly also leads on ads (none vs shown). AWS Certification Exam Prep's advantage is iOS requirement (16.4 vs 18.5). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AWS Certification Exam Prep sells 3 in-app purchases, starting at $5.99 per 7 days. O'Reilly asks for nothing beyond the download.

UpkeepUpdate frequency

O'Reilly ships an update fortnightly, AWS Certification Exam Prep every 9 days. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
O'Reilly versus AWS Certification Exam Prep: the parameters behind the verdict, then further details
ParameterO'ReillyAWS Certification Exam Prep
PriceFreeFree
Rating4.7 (34K ratings) — better—
Positive reviews46.5% of reviews—
Number of ratings34K — better—
Update frequencyFortnightlyEvery 9 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.516.4 — better
Further details — not scored
Size65 MB84 MB
Age rating4+4+
DeveloperO'Reilly Media, Inc.Koray Salman

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

AWS Certification Exam Prep

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

O'Reilly

No in-app purchases

3 purchases

AWS Certification Exam Prep

Subscriptions3
  • Subscription - Weekly$5.997 Days
  • Subscription - Monthly$19.991 Month
  • Subscription - Yearly$99.991 Year

Questions

Is O'Reilly free?
O'Reilly is free to download, with no in-app purchases.
Is AWS Certification Exam Prep free?
AWS Certification Exam Prep is free to download, with in-app purchases available.
Do O'Reilly or AWS Certification Exam Prep have ads?
AWS Certification Exam Prep shows ads; O'Reilly does not.
Which is updated more often, O'Reilly or AWS Certification Exam Prep?
O'Reilly ships an update fortnightly, and AWS Certification Exam Prep every 9 days. Most recently, O'Reilly was updated on November 8, 2026 and AWS Certification Exam Prep on November 4, 2026.

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