# LibraryThing vs Lerner AR

The clearest difference is rating: Lerner AR at 4.4 against LibraryThing's 3.5. Lerner AR also leads on review sentiment (67% vs 47%). LibraryThing's advantage is ratings volume (288 vs 7). 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.

Lerner AR holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: LibraryThing has 288 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 47% of LibraryThing's written reviews are positive against 67% of Lerner AR's.

LibraryThing ships an update every 4 weeks, Lerner AR every 6 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LibraryThing | Lerner AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (288 ratings)](https://appshunter.io/ios/app/librarything/id948824489/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/lerner-ar/id1474275063/reviews)** |
| Number of ratings | **288** | 7 |
| Positive reviews | 47.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 9 MB | 187 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LibraryThing.com](https://appshunter.io/developer/397718884) | [Lerner Publishing Group](https://appshunter.io/developer/440252496) |

## What reviewers say

### LibraryThing

[App page](https://appshunter.io/ios/app/librarything/id948824489)

Catalog your personal book, DVD, and CD collections. Easily add items by searching or scanning barcodes. Enhance your catalog with high-resolution cover photos and browse your collection visually.

**Highlights:** Catalog books, DVDs, and CDs, Search for media items, Scan ISBN barcodes, Add high-resolution cover photos, Browse collection by cover type

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick barcode scanning
- 👍 Useful for cataloging library
- 🚀 Fast book addition

**What reviewers complain about**

- 🐛 Glitches and crashes
- 🔍 Limited search and editing capabilities
- 🤖 Outdated and dated UI

**Reported bugs**

- Barcode scanner not working
- Books disappearing from catalog
- Editing and saving issues

**Requested features**

- Ability to create custom collections
- Offline access to library
- Integration with other book apps
- Lending/loan tracking feature


### Lerner AR

[App page](https://appshunter.io/ios/app/lerner-ar/id1474275063)

This app enhances reading by bringing book content to life through augmented reality. Scan images in companion books to unlock interactive 3D models and animations related to the text. Explore space, the human body, and insects in an engaging, digital format.

**Highlights:** Augmented reality content viewer, Interactive 3D models, Educational book companion, Intuitive AR interface, Content related to space, biology, and insects

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LibraryThing free?

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

### Is Lerner AR free?

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

### Which has better reviews, LibraryThing or Lerner AR?

Lerner AR is rated higher. LibraryThing averages 3.5 out of 5 from 288 ratings, while Lerner AR averages 4.4 from 7 ratings.

### Do LibraryThing or Lerner AR have ads?

Neither LibraryThing nor Lerner AR shows ads.

### Which is updated more often, LibraryThing or Lerner AR?

LibraryThing ships an update every 4 weeks, and Lerner AR every 6 weeks. Most recently, LibraryThing was updated on November 1, 2026 and Lerner AR on October 24, 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.*