# O'Reilly vs Pet Compass

The clearest difference is in-app purchases: O'Reilly at none against Pet Compass's 3. Pet Compass's advantage is iOS requirement (13.0 vs 18.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pet Compass sells 3 in-app purchases, starting at $2.99 per 7 days. O'Reilly asks for nothing beyond the download.

O'Reilly ships an update every 2 weeks, Pet Compass every 10 days. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | O'Reilly | Pet Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34K ratings)](https://appshunter.io/ios/app/oreilly/id881697395/reviews)** | — |
| Number of ratings | **34K** | — |
| Positive reviews | 46.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Subscription | — |
| Size | 57 MB | 121 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [O'Reilly Media, Inc.](https://appshunter.io/developer/312570215) | [Miguel Hernandez](https://appshunter.io/developer/1518487458) |

## 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


### Pet Compass

[App page](https://appshunter.io/ios/app/pet-compass/id6757321643)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pet Compass Pro - Weekly | $2.99 | per 7 days |
| Pet Compass Pro - Monthly | $9.99 | per month |
| Pet Compass Pro - Yearly | $59.99 | per year |


## Frequently asked questions

### Is O'Reilly free?

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

### Is Pet Compass free?

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

### Do O'Reilly or Pet Compass have ads?

Neither O'Reilly nor Pet Compass shows ads.

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

O'Reilly ships an update every 2 weeks, and Pet Compass every 10 days. Most recently, O'Reilly was updated on September 29, 2026 and Pet Compass on September 19, 2026.

---

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