Comparison

O'Reilly vs DevTo

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. • Read best-selling books and early releases from leading publishers. O’Reilly has the largest collection of titles and is the exclusive digital home for all O’Reilly and Pearson tech books. • 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

DevTo

Access articles, podcasts, and videos from dev.to in a native mobile application. This app provides a streamlined way to consume developer-focused content on the go. Contact the developer for suggestions or questions.

Highlights
  • Access articles
  • Listen to podcasts
  • Watch videos
  • Native mobile experience
  • Content discovery
Features
Read full description

**Your favorite developer community, now on iOS.** DevTo brings the entire dev.to experience to your iPhone and iPad with a beautifully designed native app built for developers who love to read, learn, and share. **DISCOVER & READ** • Browse the latest articles from the dev.to community • Explore trending posts by week, month, or year • Search for articles and topics that interest you • Follow tags to curate your personalized feed • Read with a clean, distraction-free interface **MULTIMEDIA CONTENT** • Watch developer videos and tutorials • Listen to podcasts from the dev.to community • Access all content types in one unified app **YOUR PERSONAL LIBRARY** • Save articles to read later • Access your dev.to reading list • Manage your bookmarked content offline **COMMUNITY FEATURES** • View author profiles and their articles • See reaction counts and engagement • Share articles with fellow developers • Open articles in Safari for commenting **SEAMLESS AUTHENTICATION** • Optional sign-in with your dev.to API key • Securely stored in iOS Keychain • Access logged-in features like Reading List and Followed Tags • Browse public content without an account **DESIGNED FOR iOS** • Native SwiftUI interface • Dark mode support • Pull-to-refresh • Smooth animations and transitions • Customizable tab bar • Optimized for iPhone and iPad **WHY CHOOSE DevTo?** • Fast and lightweight • Clean, modern design • No ads, no tracking • Regular updates • Open source friendly • Built by developers, for developers Whether you're learning a new framework, staying up-to-date with tech trends, or looking for inspiration for your next project, DevTo is your gateway to one of the most vibrant developer communities on the internet. Download DevTo today and join millions of developers sharing knowledge and growing together! **NOTE:** This is an unofficial client for dev.to. DevTo uses the official Forem API to provide you with the best experience. **PRIVACY:** We don't collect any personal data. Your API key is stored securely on your device in iOS Keychain.

Screenshots

O'Reilly4 screens
DevTo4 screens

Verdict

The call

The clearest difference is rating: O'Reilly at 4.7 against DevTo's 1.0. O'Reilly also leads on update cadence (every 2 weeks vs every 29 months) and ratings volume (34K vs 1). DevTo's advantage is monetization model (free vs subscription). 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

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.

UpkeepUpdate frequency

O'Reilly ships an update every 2 weeks, DevTo every 29 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
O'Reilly versus DevTo: the parameters behind the verdict, then further details
ParameterO'ReillyDevTo
PriceFreeFree
Rating4.7 (34K ratings) — better1.0 (1 ratings)
Positive reviews46.2% of reviews—
Number of ratings34K — better1
Update frequencyEvery 2 weeks — betterEvery 29 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.518.0 — better
Further details — not scored
Size63 MB3 MB
Age rating4+4+
DeveloperO'Reilly Media, Inc.Serhii Londar

Customer experience

O'Reilly

All ratings33,870 ratings
Positive94.2%
Neutral2.5%
Negative3.3%
Written reviews353 reviews
Positive46.2%
Neutral13.9%
Negative39.9%

DevTo

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

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

DevTo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

O'Reilly

No in-app purchases

None

DevTo

No in-app purchases

Questions

Is O'Reilly free?
O'Reilly is free to download, with no in-app purchases.
Is DevTo free?
DevTo is free to download, with no in-app purchases.
Which has better reviews, O'Reilly or DevTo?
O'Reilly is rated higher. O'Reilly averages 4.7 out of 5 from 34K ratings, while DevTo averages 1.0 from 1 ratings.
Do O'Reilly or DevTo have ads?
Neither O'Reilly nor DevTo shows ads.
Which is updated more often, O'Reilly or DevTo?
O'Reilly ships an update every 2 weeks, and DevTo every 29 months. Most recently, O'Reilly was updated on October 13, 2026 and DevTo on October 5, 2026.

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