Comparison

O'Reilly vs Kuatomind

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

Kuatomind

Features
Read full description

One idea worth knowing. Every day. Kuatomind gives you a single, genuinely fascinating thing to think about each day — a piece of etymology, a forgotten life, a strange corner of history or science. One curated card. Not a feed. Not an endless trivia firehose. Something with real depth, a cited source, and that quiet "wait — really?" you will want to repeat at dinner. Open it for thirty seconds. Learn something true that most people do not know. Close it. That is the whole ritual — by design. WHAT MAKES IT DIFFERENT - One idea a day, curated — not generated by an algorithm chasing your attention. - Real depth — every card carries context and a cited source. We would rather be accurate than viral. - Nothing to doomscroll — there is no infinite feed here, on purpose. - Calm and curious — not self-help, not a trivia game. Simply something interesting, told well. FREE - A new idea every day, available in 9 languages - Save the cards you want to keep - Catch up on the last 7 days - Share beautifully designed cards - A gentle daily reminder, and a streak if you like keeping one KUATOMIND PRO - The complete archive — every idea ever published, not just the last week - Supports a small, independent, ad-free app Kuatomind has no ads and never will. It needs no account, and it does not track you or sell data. For the curious — people who would rather have one high-signal moment than an hour of scroll. Open your mind, daily. Terms of Use (EULA): https://pinyinpals.github.io/kuatomind-legal/terms/ Privacy Policy: https://pinyinpals.github.io/kuatomind-legal/privacy/

Screenshots

O'Reilly4 screens
Kuatomind4 screens

Verdict

The call

The clearest difference is in-app purchases: O'Reilly at none against Kuatomind's 2. Kuatomind's advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 18.5). On price, ads 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. Kuatomind sells 2 in-app purchases, starting at $2.99 per month. O'Reilly asks for nothing beyond the download.

UpkeepUpdate frequency

O'Reilly ships an update fortnightly, Kuatomind every 5 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 7 level
O'Reilly versus Kuatomind: the parameters behind the verdict, then further details
ParameterO'ReillyKuatomind
PriceFreeFree
Rating4.7 (34K ratings) — better—
Positive reviews46.0% of reviews—
Number of ratings34K — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationSubscription—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.513.0 — better
Further details — not scored
Size64 MB22 MB
Age rating4+4+
DeveloperO'Reilly Media, Inc.ZHUOER TANG

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

Kuatomind

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

O'Reilly

No in-app purchases

2 purchases

Kuatomind

Subscriptions2
  • Pro — Monthly$2.991 Month
  • Pro — Annual$24.991 Year

Questions

Is O'Reilly free?
O'Reilly is free to download, with no in-app purchases.
Is Kuatomind free?
Kuatomind is free to download, with in-app purchases available.
Do O'Reilly or Kuatomind have ads?
Neither O'Reilly nor Kuatomind shows ads.
Which is updated more often, O'Reilly or Kuatomind?
O'Reilly ships an update fortnightly, and Kuatomind every 5 days. Most recently, O'Reilly was updated on October 21, 2026 and Kuatomind on October 8, 2026.

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