# O'Reilly vs Tortoise Blocks

The clearest difference is device support: Tortoise Blocks at 4 against O'Reilly's 2. O'Reilly's advantage is iOS requirement (18.5 vs 26.0). 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 ships an update fortnightly, Tortoise Blocks weekly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | O'Reilly | Tortoise Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34K ratings)](https://appshunter.io/ios/app/oreilly/id881697395/reviews)** | — |
| Number of ratings | **34K** | — |
| Positive reviews | 46.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 65 MB | 9 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [O'Reilly Media, Inc.](https://appshunter.io/developer/312570215) | [Tomoki Kobayashi](https://appshunter.io/developer/323485927) |

## What reviewers say

### O'Reilly

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

Access a vast library of tech books, videos, and courses to build in-demand skills. Stay current with the latest in programming, AI, cloud, and more. Learn on the go with offline downloads and progress syncing.

**Highlights:** Thousands of books, videos, and courses, Content on programming, AI, cloud, DevOps, cybersecurity, Audiobooks for multitasking, Live events and on-demand training, Playlists for content organization, Offline downloads and progress syncing, AI-powered search and overviews

**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


### Tortoise Blocks

[App page](https://appshunter.io/ios/app/tortoise-blocks/id6798677334)

**In-app purchases:** none


## Frequently asked questions

### Is O'Reilly free?

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

### Is Tortoise Blocks free?

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

### Do O'Reilly or Tortoise Blocks have ads?

Neither O'Reilly nor Tortoise Blocks shows ads.

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

O'Reilly ships an update fortnightly, and Tortoise Blocks weekly. Most recently, O'Reilly was updated on November 9, 2026 and Tortoise Blocks on October 31, 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.*