# O'Reilly vs LeetCode

The clearest difference is in-app purchases: O'Reilly at none against LeetCode's 2. O'Reilly also leads on ratings volume (34K vs 626). LeetCode's advantage is iOS requirement (16.0 vs 18.5). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. LeetCode sells 2 in-app purchases, starting at $35.00 per month. O'Reilly asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for O'Reilly against 4.8 for LeetCode. That said, the two scores are not equally well evidenced: O'Reilly has 34K ratings behind it against 626, so its average is the more settled of the two. Written reviews are what separate them: 46% of O'Reilly's written reviews are positive against 44% of LeetCode's.

O'Reilly ships an update every 2 weeks, LeetCode fortnightly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | O'Reilly | LeetCode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (34K ratings)](https://appshunter.io/ios/app/oreilly/id881697395/reviews) | **[4.8 (626 ratings)](https://appshunter.io/ios/app/leetcode/id6755816119/reviews)** |
| Number of ratings | **34K** | 626 |
| Positive reviews | **46.2% of reviews** | 44.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Subscription | **Ad-supported** |
| Size | 63 MB | 110 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [O'Reilly Media, Inc.](https://appshunter.io/developer/312570215) | [LeetCode](https://appshunter.io/developer/1739326909) |

## 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


### LeetCode

[App page](https://appshunter.io/ios/app/leetcode/id6755816119)

Practice coding challenges and prepare for technical interviews on the go. Discover company-specific questions, manage your practice lists, and track your progress. Stay updated with contests and daily quests to improve your skills.

**Highlights:** Search and discover company questions, Practice coding challenges, Manage practice lists, Track personal progress, Contest registration and calendar sync, Daily challenges and quests

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeetCode Premium Monthly | $35.00 | per month |
| LeetCode Premium Yearly | $159.00 | per year |


## Frequently asked questions

### Is O'Reilly free?

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

### Is LeetCode free?

LeetCode is free to download, with in-app purchases available.

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

LeetCode is rated higher. O'Reilly averages 4.7 out of 5 from 34K ratings, while LeetCode averages 4.8 from 626 ratings.

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

Neither O'Reilly nor LeetCode shows ads.

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

O'Reilly ships an update every 2 weeks, and LeetCode fortnightly. Most recently, O'Reilly was updated on October 13, 2026 and LeetCode on October 11, 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.*