Comparison

O'Reilly vs Tim Corey's DevForge

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 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
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

Tim Corey's DevForge

Master C# and real-world programming skills with in-depth courses designed for all levels. Learn anytime, anywhere with offline viewing and track your progress seamlessly. Earn certificates upon completion.

Highlights
  • Full course access on mobile
  • Offline lesson viewing
  • Progress tracking
  • Interactive learning with projects
  • Student forum access
  • Certificates of completion
Features
Read full description

Take your software development skills to the next level with our DevForge App! Whether you're a beginner or an experienced developer, our in-depth courses are designed to help you master C# and the related real-world programming skills that will advance your career. With expert-led, real-world focused content in every course, our courses are designed to get you up to speed quickly. They will guide you step by step—no skipped topics, no filler. Now, with our mobile app, you can learn anytime, anywhere, making it easier than ever to fit coding education into your busy schedule. Key Features: • Full Access to Your Courses – Seamlessly continue learning on your phone or tablet. • Offline Viewing – Download lessons and learn without an internet connection. • Track Your Progress – Pick up right where you left off. • Interactive Learning – Follow along with hands-on projects and real-world examples. • Forum Access – Get access to fellow students who are learning alongside you. • Certificates – Earn a certificate of completion for every course you complete. Our courses are built with one goal in mind: Teach software development the right way. No shortcuts, just practical, job-ready skills that you can apply immediately. Whether you're preparing for a new career, improving your technical expertise, or just want to deepen your understanding of C#, our DevForge app makes learning more convenient and effective than ever before. Download today and start moving forward with confidence!

Screenshots

O'Reilly4 screens
Tim Corey's DevForge3 screens

Verdict

The call

The clearest difference is monetization model: Tim Corey's DevForge at free against O'Reilly's subscription. Tim Corey's DevForge also leads on rating (5.0 vs 4.7) and iOS requirement (14 vs 18.5). O'Reilly's advantage is update cadence (fortnightly vs every 7 months) and ratings volume (34K vs 3). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Tim Corey's DevForge holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: O'Reilly has 34K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

O'Reilly ships an update fortnightly, Tim Corey's DevForge every 7 months. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
O'Reilly versus Tim Corey's DevForge: the parameters behind the verdict, then further details
ParameterO'ReillyTim Corey's DevForge
PriceFreeFree
Rating4.7 (34K ratings)5.0 (3 ratings) — better
Positive reviews46.0% of reviews—
Number of ratings34K — better3
Update frequencyFortnightly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.514 — better
Further details — not scored
Size64 MB67 MB
Age rating4+17+
DeveloperO'Reilly Media, Inc.Purple Giraffe

Customer experience

O'Reilly

All ratings33,893 ratings
Positive94.2%
Neutral2.5%
Negative3.3%
Written reviews354 reviews
Positive46.0%
Neutral13.8%
Negative40.1%

Tim Corey's DevForge

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Tim Corey's DevForge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

O'Reilly

No in-app purchases

None

Tim Corey's DevForge

No in-app purchases

Questions

Is O'Reilly free?
O'Reilly is free to download, with no in-app purchases.
Is Tim Corey's DevForge free?
Tim Corey's DevForge is free to download, with no in-app purchases.
Which has better reviews, O'Reilly or Tim Corey's DevForge?
Tim Corey's DevForge is rated higher. O'Reilly averages 4.7 out of 5 from 34K ratings, while Tim Corey's DevForge averages 5.0 from 3 ratings.
Do O'Reilly or Tim Corey's DevForge have ads?
Neither O'Reilly nor Tim Corey's DevForge shows ads.
Which is updated more often, O'Reilly or Tim Corey's DevForge?
O'Reilly ships an update fortnightly, and Tim Corey's DevForge every 7 months. Most recently, O'Reilly was updated on October 30, 2026 and Tim Corey's DevForge on October 14, 2026.

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