# O'Reilly vs UniversalClass

The clearest difference is review sentiment: O'Reilly at 46% against UniversalClass's 0%. O'Reilly also leads on rating (4.7 vs 3.3) and ratings volume (34K vs 10). UniversalClass's advantage is monetization model (free vs subscription) and iOS requirement (15.0 vs 18.5). On price, update cadence, ads and in-app purchases there is nothing between them.

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 3.3. That said, the two scores are not equally well evidenced: O'Reilly has 34K ratings behind it against 10, 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 UniversalClass's.

O'Reilly ships an update every 2 weeks, UniversalClass every 3 weeks. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | O'Reilly | UniversalClass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34K ratings)](https://appshunter.io/ios/app/oreilly/id881697395/reviews)** | [3.3 (10 ratings)](https://appshunter.io/ios/app/universalclass/id6466556391/reviews) |
| Number of ratings | **34K** | 10 |
| Positive reviews | **46.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Subscription | **Free** |
| Size | 63 MB | 520 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [O'Reilly Media, Inc.](https://appshunter.io/developer/312570215) | [Universal Class, Inc.](https://appshunter.io/developer/1707465861) |

## What reviewers say

### O'Reilly

[App page](https://appshunter.io/ios/app/oreilly/id881697395)

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:** iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great resource for learning
- 👍 Excellent content and library
- 💡 Helpful features like playlists
- 🚀 Offline reading and downloads

**What reviewers complain about**

- 🐛 Buggy app with crashes and issues
- 👎 Poor reading experience and navigation
- 🔒 Frequent login issues
- 👎 Inconsistent sync across devices

**Reported bugs**

- Frequent crashes and freezes
- Unreliable downloads and offline access
- Login issues and loss of progress
- Inconsistent behavior across updates

**Requested features**

- Improved bookmarking and note-taking
- Customizable text formatting and layout
- Better search and content discovery
- Seamless sync across devices


### UniversalClass

[App page](https://appshunter.io/ios/app/universalclass/id6466556391)

Access a wide range of online courses to learn new skills, advance your career, or explore personal interests from your mobile device. Continue lessons on the go with a seamless experience, track your progress, and learn at your own pace.

**Highlights:** Access enrolled courses anywhere, Seamless mobile learning experience, Course materials and progress tracking, Learn at your own pace, Professional development courses, Personal enrichment courses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is O'Reilly free?

O'Reilly is free to download, with no in-app purchases.

### Is UniversalClass free?

UniversalClass is free to download, with no in-app purchases.

### Which has better reviews, O'Reilly or UniversalClass?

O'Reilly is rated higher. O'Reilly averages 4.7 out of 5 from 34K ratings, while UniversalClass averages 3.3 from 10 ratings.

### Do O'Reilly or UniversalClass have ads?

Neither O'Reilly nor UniversalClass shows ads.

### Which is updated more often, O'Reilly or UniversalClass?

O'Reilly ships an update every 2 weeks, and UniversalClass every 3 weeks. Most recently, O'Reilly was updated on October 14, 2026 and UniversalClass on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*