# Blackstone Unlimited vs Boundless

The clearest difference is ratings volume: Boundless at 18K against Blackstone Unlimited's 627. Blackstone Unlimited's advantage is chart position (#208 vs unranked). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for Blackstone Unlimited against 4.4 for Boundless. That said, the two scores are not equally well evidenced: Boundless has 18K ratings behind it against 627, so its average is the more settled of the two. Written reviews are what separate them: 29% of Blackstone Unlimited's written reviews are positive against 32% of Boundless's.

Blackstone Unlimited ships an update every 3 weeks, Boundless monthly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Blackstone Unlimited | Boundless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (627 ratings)](https://appshunter.io/ios/app/blackstone-unlimited/id6443725473/reviews) | **[4.4 (18K ratings)](https://appshunter.io/ios/app/boundless/id6449712082/reviews)** |
| Number of ratings | 627 | **18K** |
| Positive reviews | 28.6% of reviews | **32.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Best chart rank | **#208** | — |
| Size | 45 MB | 177 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blackstone Audio, Inc](https://appshunter.io/developer/354766336) | [Baker & Taylor](https://appshunter.io/developer/634003725) |

## What reviewers say

### Blackstone Unlimited

[App page](https://appshunter.io/ios/app/blackstone-unlimited/id6443725473)

**Currently charting:** #208 Top Free · Book (US App Store)

Access a vast digital library of bestselling audiobooks for free using your library card. Enjoy instant borrowing with no holds or waiting, and download titles for offline listening. Discover thousands of audiobooks for every taste.

**Highlights:** Free audiobook borrowing, Instant access, no waiting, Award-winning catalog, Offline listening downloads, Passwordless login, Thousands of titles

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

**In-app purchases:** none

**What reviewers like**

- 👍 Free audiobooks from the library
- 👍 No wait times for books
- 👍 Wide selection of choices
- 👍 User-friendly interface (mentioned by one user)
- 👍 Good for commutes and escaping reality

**What reviewers complain about**

- 🐛 App won't open after update
- 🐛 No books available (reported by one user)
- 🐛 Limited content selection (less than most popular titles)
- 🐛 Poor category discovery and browsing
- 🐛 No CarPlay support

**Reported bugs**

- App won't open after latest update
- App crashes frequently
- Error messages displayed
- App doesn't work with Bluetooth devices
- Audiobooks randomly stop playing

**Requested features**

- Favorites list functionality
- Customizable playback speed options (more granular control)
- Improved browsing and genre discovery
- More international book selection (UK, Australia, NZ, Canada)


### Boundless

[App page](https://appshunter.io/ios/app/boundless/id6449712082)

Access a vast collection of ebooks, digital audiobooks, and videobooks from your local library or school. Enjoy a seamless reading, listening, and watching experience with personalized recommendations and engaging reading programs.

**Highlights:** Discover ebooks, audiobooks, and videobooks, Read, listen, and watch in one app, Personalized recommendations, Join library reading programs, Track reading progress and earn badges, Customizable reading experience

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast access to books
- 👍 Intuitive and easy to navigate
- 🔒 Separate profiles for kids and adults
- 🎨 Customizable reading experience
- 📚 Wide selection of content

**What reviewers complain about**

- 🐛 Frequent freezing and crashes
- ⏱️ Slow loading times
- 🔍 Difficulty finding and accessing books
- 📱 Incompatible with some devices
- 🔌 Requires internet connection for offline use

**Reported bugs**

- Books disappearing from user's shelf
- Inability to return or renew books
- Inconsistent behavior when switching between profiles
- Audiobook playback issues

**Requested features**

- Improved page turning and navigation controls
- Ability to adjust margins and font settings
- Offline access to downloaded content
- Better integration with other reading apps
- More detailed progress tracking and analytics


## Frequently asked questions

### Is Blackstone Unlimited free?

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

### Is Boundless free?

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

### Which has better reviews, Blackstone Unlimited or Boundless?

Boundless is rated higher. Blackstone Unlimited averages 4.3 out of 5 from 627 ratings, while Boundless averages 4.4 from 18K ratings.

### Do Blackstone Unlimited or Boundless have ads?

Neither Blackstone Unlimited nor Boundless shows ads.

### Which is updated more often, Blackstone Unlimited or Boundless?

Blackstone Unlimited ships an update every 3 weeks, and Boundless monthly. Most recently, Blackstone Unlimited was updated on September 18, 2026 and Boundless on September 23, 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.*